CN109948038B - Question pushing method and device - Google Patents
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Abstract
One or more embodiments of the present specification disclose a problem pushing method and apparatus, so as to improve a problem pushing mechanism and make the pushing problem more targeted. The method comprises the following steps: determining the characteristic attribute of the verification problem of the target user; wherein the feature attributes include: verifying at least one of answer accuracy, security degree and privacy degree of the question; determining a pushing score of the verification question according to the characteristic attribute of the verification question; and determining the target verification question pushed to the target user according to the pushing score of each verification question.
Description
Technical Field
The present disclosure relates to the field of security verification, and in particular, to a problem pushing method and apparatus.
Background
Problem-validation services are a type of self-authenticating way to authenticate a user based on information or knowledge in the user's memory. Problem authentication is undergoing an iterative process that improves security. The initial problem-based authentication problem base is designed based on the user's personal information, for example, when the user registers an account of a chat software, some problems are filled: "what is your father name? "," where your place of birth is? "etc., which are later used in the process of retrieving passwords by users, i.e. verifying whether the user who is currently encrypted is himself. However, since these problems are based on personal information of the user, data such as personal information is easily leaked through social websites, trojan programs, social engineering, and the like, and there is a great security risk.
Recently, some utilize big data technology to mine the profound memory of the user through the behavior footprint the user leaves in some system and refine it into the way of questions and answers to authenticate the user for identity verification in special scenarios. Problem core obtains the problem available to the user through big data mining, and the problem may contain various types, such as purchased goods, possibly known people, commonly used addresses, numbers used by the user, and the like. Compared with the initial question authentication, the method has the advantage of flexibility, and the questions and answers of the user are continuously updated along with the fact that the behavior footprint of the user is continuously generated in the system, so that the flexibility and the safety of the questions are improved.
The assembly of questionnaires (i.e., which questions the user is to answer) in existing question verification services is performed using random drawing or by setting priorities of questions according to manual experience. For example, a user may have tens of questions such as "purchased goods", "people who may know", "commonly used addresses", "numbers used by the user", and when performing the problem verification, a problem is randomly extracted from the tens of questions for verification. On one hand, the questionnaire assembling mode cannot ensure safety, and on the other hand, the extracted questions cannot be ensured to be suitable for all types of users to answer, so that the pertinence is poor.
Disclosure of Invention
One or more embodiments of the present disclosure provide a problem pushing method and apparatus, so as to perfect a problem pushing mechanism, so as to make the pushing problem more targeted.
To solve the above technical problem, one or more embodiments of the present specification are implemented as follows:
in one aspect, one or more embodiments of the present specification provide a question pushing method, including:
determining the characteristic attribute of the verification problem of the target user; wherein the feature attributes include: verifying at least one of answer accuracy, security degree and privacy degree of the question;
determining a pushing score of the verification question according to the characteristic attribute of the verification question;
and determining the target verification question pushed to the target user according to the pushing score of each verification question.
Optionally, the determining a pushed score of the verification question according to the characteristic attribute of the verification question includes:
determining a weight value of the characteristic attribute of the verification problem, and determining an attribute value of the characteristic attribute of the verification problem;
and determining the weight value of the characteristic attribute of the verification problem and the weighted value of the attribute value as the push score of the verification problem.
Optionally, the determining the weight of the feature attribute of the verification problem includes:
and determining the weight of the characteristic attribute of the verification problem according to the scene and/or the service type of the verification service corresponding to the target user.
Optionally, the feature attributes comprise answer correctness rates of the verification questions;
correspondingly, determining the attribute value of the characteristic attribute of the verification problem comprises the following steps:
obtaining historical behavior data of the target user in a service corresponding to the current verification service, wherein the historical behavior data comprises at least one of historical use behavior information of the service, historical answer behavior information aiming at the verification problem and answer passing rate score of the verification problem;
constructing a specified two-classification model;
and training by taking the historical behavior data as sample data of the specified binary model to obtain the answer accuracy of the verification question.
Optionally, the historical answer behavior information includes answer results, and the answer results include correct results or wrong results;
the method further comprises the following steps:
acquiring an answer result of the target user for the target verification question in the current verification service;
and updating the answer accuracy of the target verification question according to the answer result aiming at the target verification question.
Optionally, the characteristic attribute comprises the degree of security;
correspondingly, determining the attribute value of the characteristic attribute of the verification problem comprises the following steps:
determining the information quantity carried by the verification problem according to the key words contained in the verification problem;
and determining the safety degree of the verification problem according to the information quantity, wherein the information quantity is in direct proportion to the safety degree.
Optionally, the characteristic attribute comprises the degree of privacy;
correspondingly, determining the attribute value of the characteristic attribute of the verification problem comprises the following steps:
determining a degree of correlation between the verification question and the personal information of the target user;
and determining the privacy degree of the verification problem according to the correlation degree, wherein the correlation degree is in direct proportion to the privacy degree.
Optionally, determining a target verification question to be pushed to the target user according to the pushed score of each verification question includes:
determining the verification question with the highest push score as a target verification question pushed to the target user; or the like, or, alternatively,
and determining the verification problem corresponding to the pushing score reaching the preset threshold value as a target verification problem to be pushed to the target user.
In another aspect, one or more embodiments of the present specification provide a question pushing apparatus, including:
the first determination module is used for determining the characteristic attribute of the verification problem of the target user; wherein the feature attributes include: verifying at least one of answer accuracy, security degree and privacy degree of the question;
the second determination module is used for determining the pushing score of the verification question according to the characteristic attribute of the verification question;
and the third determining module is used for determining the target verification questions pushed to the target user according to the pushing scores of the verification questions.
Optionally, the second determining module includes:
the first determining unit is used for determining the weight of the characteristic attribute of the verification question and determining the attribute value of the characteristic attribute of the verification question;
and the second determining unit is used for determining the weight value of the characteristic attribute and the weighted value of the attribute value of the verification question as the push score of the verification question.
Optionally, the first determining unit determines the weight of the feature attribute of the verification problem according to a scenario and/or a service type of the verification service corresponding to the target user.
Optionally, the feature attributes comprise answer correctness rates of the verification questions;
the first determining unit is used for acquiring historical behavior data of the target user in a business corresponding to the current verification service, wherein the historical behavior data comprises at least one of historical use behavior information of the business, historical answer behavior information aiming at the verification question and answer passing rate score of the verification question; constructing a specified two-classification model; and training by taking the historical behavior data as sample data of the specified binary model to obtain the answer accuracy of the verification question.
Optionally, the historical answer behavior information includes answer results, and the answer results include correct results or wrong results;
the device further comprises:
the acquisition module is used for acquiring the answer result of the target user aiming at the target verification question in the current verification service;
and the updating module is used for updating the answer accuracy of the target verification question according to the answer result aiming at the target verification question.
Optionally, the characteristic attribute comprises the degree of security;
the first determining unit is used for determining the information quantity carried by the verification question according to the key words contained in the verification question; and determining the safety degree of the verification problem according to the information quantity, wherein the information quantity is in direct proportion to the safety degree.
Optionally, the characteristic attribute comprises the degree of privacy;
the first determination unit determines the correlation between the verification question and the personal information of the target user; and determining the privacy degree of the verification problem according to the correlation degree, wherein the correlation degree is in direct proportion to the privacy degree.
Optionally, the third determining module includes:
a third determining unit, configured to determine the verification question with the highest push score as the target verification question to be pushed to the target user; or the like, or, alternatively,
and the fourth determining unit is used for determining the verification problem corresponding to the pushing score reaching the preset threshold value as the target verification problem pushed to the target user.
In yet another aspect, one or more embodiments of the present specification provide a question pushing apparatus, including:
a processor; and
a memory arranged to store computer executable instructions that, when executed, cause the processor to:
determining the characteristic attribute of the verification problem of the target user; wherein the feature attributes include: verifying at least one of answer accuracy, security degree and privacy degree of the question;
determining a pushing score of the verification question according to the characteristic attribute of the verification question;
and determining the target verification question pushed to the target user according to the pushing score of each verification question.
In yet another aspect, one or more embodiments of the present specification provide a storage medium storing computer-executable instructions that, when executed, implement the following:
determining the characteristic attribute of the verification problem of the target user; wherein the feature attributes include: verifying at least one of answer accuracy, security degree and privacy degree of the question;
determining a pushing score of the verification question according to the characteristic attribute of the verification question;
and determining the target verification question pushed to the target user according to the pushing score of each verification question.
By adopting the technical scheme of one or more embodiments of the specification, the characteristic attribute (including at least one of answer accuracy, safety degree and privacy degree) of the verification question of the target user can be determined, the pushing score of the verification question is determined according to the characteristic attribute, and the target verification question pushed to the target user is determined according to the pushing score of each verification question. Therefore, when the technical scheme is used for pushing the verification problems to the user, the answer accuracy, the safety degree and/or the privacy degree of the verification problems of the target user can be considered, so that the verification problems can be pushed to the user more pertinently and flexibly when the question-answer form is adopted for identity verification, the pushing mechanism of the verification problems is perfected, the answer passing rate of the user and the safety and privacy of the verification service are improved, and the experience of the user on the verification service is further improved.
Drawings
In order to more clearly illustrate one or more embodiments or technical solutions in the prior art in the present specification, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in one or more embodiments of the present specification, and other drawings can be obtained by those skilled in the art without inventive exercise.
FIG. 1 is a schematic flow chart diagram of a problem pushing method in accordance with one embodiment of the present description;
FIG. 2 is a schematic block diagram of an issue pushing device in accordance with an embodiment of the present description;
FIG. 3 is a schematic block diagram of an issue pushing device in accordance with an embodiment of the present description.
Detailed Description
One or more embodiments of the present disclosure provide a problem pushing method and apparatus, so as to improve a problem pushing mechanism, so as to make the pushing problem more specific.
In order to make those skilled in the art better understand the technical solutions in one or more embodiments of the present disclosure, the technical solutions in one or more embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in one or more embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all embodiments. All other embodiments that can be derived by a person skilled in the art from one or more of the embodiments of the present disclosure without making any creative effort shall fall within the protection scope of one or more of the embodiments of the present disclosure.
Fig. 1 is a schematic flow chart of a question pushing method according to an embodiment of the present specification, as shown in fig. 1, the method including:
step S102, determining the characteristic attribute of the verification problem of the target user.
Wherein the characteristic attribute comprises at least one of answer accuracy, safety degree and privacy degree of the verification question.
And step S104, determining the pushing score of the verification question according to the characteristic attribute of the verification question.
And step S106, determining the target verification questions pushed to the target user according to the pushing scores of all the verification questions.
By adopting the technical scheme of one or more embodiments of the specification, the characteristic attribute (including at least one of answer accuracy, safety degree and privacy degree) of the verification question of the target user can be determined, the pushing score of the verification question is determined according to the characteristic attribute, and the target verification question pushed to the target user is determined according to the pushing score of each verification question. Therefore, when the technical scheme is used for pushing the verification problems to the user, the answer accuracy, the safety degree and/or the privacy degree of the verification problems of the target user can be considered, so that the verification problems can be pushed to the user more pertinently and flexibly when the question-answer form is adopted for identity verification, the pushing mechanism of the verification problems is perfected, the answer passing rate of the user and the safety and privacy of the verification service are improved, and the experience of the user on the verification service is further improved.
In one embodiment, when determining the push score of a verification question according to the characteristic attribute of the verification question, firstly determining the weight of the characteristic attribute of the verification question, and determining the attribute value of the characteristic attribute of the verification question; and further determining the weight of the characteristic attribute of the verification problem and the weighted value of the attribute value as the push score of the verification problem.
In this embodiment, the weight of the feature attribute of the verification problem may be determined according to the scenario and/or the service type of the verification service corresponding to the target user. The scene of the verification service is login, information modification and the like by using an account; the service type of the verification service is shopping type, game type, finance type and the like. Different weights can be set for the characteristic attributes of the verification problem according to different scenes and/or different service types of the verification service. For example, when the scene of the verification service is modification information, higher weights can be set for both the security degree and the privacy degree in the characteristic attribute; when the service type of the verification service belongs to the finance class, a higher weight can be set for the safety degree in the characteristic attribute; when the service type of the verification service belongs to the shopping category, a higher weight can be set for the answer accuracy of the verification problem in the characteristic attribute; and so on.
Typically, the same user may correspond to multiple different authentication issues. Therefore, for a plurality of verification questions of the target user, the weight of the feature attribute of each verification question can be set to be the same or different.
In this embodiment, the attribute values may be represented in the form of scores, probabilities, and the like. For example, the attribute value corresponding to the answer accuracy of each question by the user may be the answer accuracy itself, the attribute value corresponding to the security degree of each question may be a security score, and the attribute value corresponding to the privacy degree of each question may be a privacy score. The sum of the weights corresponding to the characteristic attributes of the same verification problem is 1.
How to determine the attribute values of the feature attributes of the authentication problem is described in detail below.
When the feature attribute includes the answer correctness of the verification question, the answer correctness of the verification question (i.e., the attribute value of the answer correctness) can be determined as follows:
firstly, historical behavior data of a target user in a business corresponding to a current verification service is obtained, wherein the historical behavior data comprises at least one of historical use behavior information of the business, historical answer behavior information aiming at verification questions and answer passing rate scores of the verification questions.
The historical answer behavior information comprises answer results, and the answer results comprise correct results or wrong results.
Table 1 exemplarily shows the answer passing rate score of a certain verification question. From table 1, it can be seen that the answer passing rate of the verification question corresponds to the answer passing rate score, for example, if the answer passing rate of the verification question is 50%, the corresponding answer passing rate score is 50 points; if the answer passing rate of the verification question is 60%, the corresponding answer passing rate score is 70 points; if the answer passing rate of the verification question is 90%, the corresponding answer passing rate score is 98 points; and so on.
TABLE 1
| Passing rate of answer | Score of passing rate of answer |
| 50％ | 50 minutes |
| 60％ | 70 minutes |
| 90％ | 98 minutes |
The answer passing rate scoring conditions of all the verification questions can be the same or different. In one embodiment, when the answer passing rate score is preset for each verification question, factors such as difficulty level, security level, privacy level and the like of each verification question can be comprehensively considered, and different answer passing rate scores can be set for each verification question according to different factors such as difficulty level, security level or privacy level of each verification question. For example, if the difficulty of verifying a question is high, a high answer passing rate score may be set for the verification question.
Second, a specified two-class model is constructed.
And thirdly, training by taking the historical behavior data as sample data of the specified two-classification model to obtain the answer accuracy of the verification question.
The specified two-class model may be an xgboost two-class model, and the process of training the sample data by using the xgboost two-class model is the prior art, and thus is not described in detail. Of course, the specified two-class model may also be other types of two-class models, which is not limited in this embodiment.
When the feature attribute includes the security level of the authentication question, the security level of the authentication question (i.e., the attribute value of the security level) may be determined as follows: firstly, determining the information quantity carried by a verification problem according to a keyword contained in the verification problem; secondly, the safety degree of the verification problem is determined according to the information quantity, wherein the information quantity is in direct proportion to the safety degree.
Specifically, the more keywords included in the verification problem, the larger the amount of information carried by the keywords, and the higher the security level of the verification problem. For example, for the verification problem 1 — "what are the most expensive goods you have recently purchased? "where the included keywords include" most expensive "," what "and" what "; for verification problem 2 — "what are the goods you have recently purchased? "what the keywords contained therein include only" is "; obviously, the amount of information carried by the authentication question 1 is greater than that carried by the authentication question 2, and the security level of the authentication question 1 is higher than that of the authentication question 2.
When the feature attribute contains the privacy degree of the verification question, the privacy degree of the verification question (i.e., the attribute value of the privacy degree) may be determined as follows: firstly, determining the correlation degree between the verification problem and the personal information of the target user; secondly, the privacy degree of the verification problem is determined according to the correlation degree, wherein the correlation degree is in direct proportion to the privacy degree.
Specifically, the higher the correlation between the verification question and the personal information of the target user, the higher the privacy degree of the verification question; conversely, the lower the correlation between the authentication question and the personal information of the target user, the lower the privacy level of the authentication question. The personal information of the target user may include a name, a nickname, account information, a bound bank card number, a mobile phone number, and the like. For example, for the verification problem 3? ", and verification problem 4? ", since the authentication question 3 is highly correlated with the personal information of the target user (i.e., the bank card number), and the authentication question 4 does not relate to the personal information of the target user, the degree of privacy of the authentication question 3 is higher than that of the authentication question 4.
For example, authentication services are performed in Taobao. Each time the target user logs in the Taobao account, the server verifies the user identity in a problem-to-body mode, namely, one or two verification problems related to Taobao are displayed to the target user for the user to answer. Then, the multiple verification processes and the use behavior information of the target user using the Taobao can be utilized to determine the answer passing rate of the target user for each question.
Firstly, historical behavior data of a target user in panning is obtained. The historical behavior data comprises historical use behavior information of the user on the Taobao, historical answer behavior information of each verification question and answer passing rate scores of each verification question. The historical using behavior information of the target user for the Taobao and the historical answer behavior information of each verification question can be recorded and counted in advance, and the answer passing rate scores of each verification question can be stored in the server side in advance. For example, historical usage behavior information of the target user on panning includes: the user purchased commodity a, commodity B and commodity C in the last month, and wifi used when the user logged in the treasure account in the last half year was "12345678"; the historical answer behavior information of the target user for each verification question is as follows: there are 3 correct results and 2 incorrect results for problem a, and 10 correct results for problem b; the answer passing rate score of each verification question is shown in table 1. For the sake of simplicity, the answer passing rate scores of the verification questions in this embodiment may be the same.
And after historical behavior data of the target user in Taobao is obtained, constructing an xgboost two-classification model.
After an xgboost two-class model is built, training is carried out by taking historical behavior data as sample data of the xgboost two-class model to obtain the answer accuracy of the verification question. For example, the target user has an answer correction rate of 70% for the question a, 98% for the question b, 80% for the question c, and so on.
The above example is used to determine the attribute values and weights of the feature attributes of the verification problem. The attribute values of the characteristic attributes are represented in the form of sum values and/or probabilities, and specifically include the answer accuracy of a verification user on a verification question, the safety score of the verification question and the privacy score. For simplicity, only three verification questions, such as question a, question b, and question c, are listed in this embodiment, and the number of verification questions in the question bank in practical applications is usually much greater than three.
Tables 2 to 4 exemplarily show attribute values and weights respectively corresponding to the characteristic attributes of the question a, the question b and the question c. Wherein, the sum of the weights corresponding to the characteristic attributes of each question is 1.
TABLE 2
| Characteristic attributes of problem a | Attribute value | Weight value |
| Passing rate of answer | 80％ | 40％ |
| Safe score | 80 minutes | 40％ |
| Privacy score | 50 minutes | 20％ |
TABLE 3
| Characteristic attributes of question b | Attribute value | Weight value |
| Passing rate of answer | 98％ | 50％ |
| Safe score | 60 minutes | 30％ |
| Privacy score | 50 minutes | 20％ |
TABLE 4
| Characteristic attributes of problem c | Attribute value | Weight value |
| Passing rate of answer | 70％ | 30％ |
| Safe score | 40 minutes | 10％ |
| Privacy score | 80 minutes | 60％ |
Based on the attribute values and the weights respectively corresponding to the characteristic attributes of the question a, the question b and the question c shown in tables 2 to 4, the attribute values and the weights respectively corresponding to the characteristic attributes of the questions are weighted and summed, and then the push score of each question can be calculated.
Specifically, the push score Ta of the question a is 80% + 40% + 50% + 20% — 42.32; the push score Tb of question b is 98% + 50% + 60% + 30% + 50% + 20% + 28.49; the push score Tc of the question c is 70% + 30% + 40% + 10% + 80% + 60% + 52.21.
After the push scores of the question a, the question b and the question c are calculated, the verification questions can be sequenced according to the push scores of the verification questions. In this embodiment, the verification questions are sorted in the order of the highest pushed score to the lowest pushed score of each verification question, and since the pushed score of the question c is the highest, the pushed score of the question a is the next highest, and the pushed score of the question b is the lowest, the sorting result is the question c > the question a > the question b.
In one embodiment, when a target verification question is pushed to a target user, the verification question with the highest push score can be determined as the target verification question pushed to the target user; or determining the verification problem corresponding to the pushing score reaching the preset threshold value as the target verification problem pushed to the target user.
After the sorting result is obtained, the target verification problem can be pushed to the Taobao according to the sorting result. Assuming that the target verification question is the verification question with the highest push score, then question c may be pushed to the target user as the target verification question.
As can be seen from the above embodiments, the answer accuracy of the verification question is related to the historical behavior data of the target user in the service corresponding to the current verification service, the security degree of the verification question is related to the amount of information carried by the verification question, the amount of information is related to the historical behavior information of the target user in the service, and the privacy degree of the verification question is related to the personal information of the target user. Different users correspond to different historical behavior data and different personal information, so that the characteristic attributes of the verification problems are different for different target users, and the pushing scores corresponding to the same verification problem are different when the verification problems are pushed to different target users.
In one embodiment, after the target verification question is pushed to the target user, the target user answers the target verification question. By obtaining the answer result of the target user for the target verification question in the current verification service, the answer accuracy of the target verification question can be updated according to the answer result, and then the pushing score of the target verification question is updated according to the updated answer accuracy. For example, the target verification problem is problem c. And if the answer result of the target user to the target verification question, namely the question c, is a correct result, updating the answer correct rate of the question c according to the answer result, and at the moment, improving the answer correct rate of the target user to the question c after updating.
In this embodiment, the answer accuracy of the target verification question can be updated based on the answer result of the target verification question by the target user, and then the pushed score of the target verification question is updated, so that the pushed score of the verification question can be updated in time along with the answer result of the target user to the verification question, and the target verification question pushed to the target user can better meet the answer requirement of the target user, that is, the answer error rate of the target user is reduced.
In summary, particular embodiments of the present subject matter have been described. Other embodiments are within the scope of the following claims. In some cases, the actions recited in the claims can be performed in a different order and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing may be advantageous.
Based on the same idea, the problem pushing method provided in one or more embodiments of the present specification further provides a problem pushing device.
FIG. 2 is a schematic block diagram of a problem pushing device according to an embodiment of the present description. As shown in fig. 2, the apparatus includes:
a first determination module 210, which determines the characteristic attribute of the verification problem of the target user; wherein the characteristic attributes include: verifying at least one of answer accuracy, security degree and privacy degree of the question;
the second determining module 220 determines the pushing score of the verification question according to the characteristic attribute of the verification question;
the third determining module 230 determines the target verification question to be pushed to the target user according to the pushed score of each verification question.
Optionally, the second determining module 220 includes:
the first determining unit is used for determining the weight of the characteristic attribute of the verification problem and determining the attribute value of the characteristic attribute of the verification problem;
and the second determining unit is used for determining the weight value of the characteristic attribute and the weighted value of the attribute value of the verification question as the push score of the verification question.
Optionally, the first determining unit determines a weight of the feature attribute of the verification problem according to a scenario and/or a service type of the verification service corresponding to the target user.
Optionally, the characteristic attribute comprises an answer correctness rate of the verification question;
the first determining unit is used for acquiring historical behavior data of a target user in a business corresponding to the current verification service, wherein the historical behavior data comprises at least one item of historical use behavior information of the business, historical answer behavior information aiming at verification questions and answer passing rate scores of the verification questions; constructing a specified two-classification model; and training by taking the historical behavior data as sample data of the specified two-classification model to obtain the answer accuracy of the verification question.
Optionally, the historical answer behavior information includes answer results, and the answer results include correct results or wrong results;
the above-mentioned device still includes:
the acquisition module is used for acquiring the answer result of the target user aiming at the target verification problem in the current verification service;
and the updating module updates the answer accuracy of the target verification question according to the answer result aiming at the target verification question.
Optionally, the characteristic attribute comprises a degree of security;
the first determining unit is used for determining the information quantity carried by the verification problem according to the key words contained in the verification problem; the safety degree of the verification problem is determined according to the information quantity, wherein the information quantity is in direct proportion to the safety degree.
Optionally, the characteristic attribute comprises a degree of privacy;
a first determination unit that determines a degree of correlation between the authentication question and the personal information of the target user; and determining the privacy degree of the verification problem according to the correlation degree, wherein the correlation degree is in direct proportion to the privacy degree.
Optionally, the third determining module 230 includes:
the third determining unit is used for determining the verification problem with the highest push score as the target verification problem pushed to the target user; or the like, or, alternatively,
and the fourth determining unit is used for determining the verification problem corresponding to the pushing score reaching the preset threshold value as the target verification problem pushed to the target user.
By adopting the device in one or more embodiments of the present specification, the characteristic attribute (including at least one of answer accuracy, security degree, and privacy degree) of the verification question of the target user can be determined, the push score of the verification question is determined according to the characteristic attribute, and the target verification question to be pushed to the target user is determined according to the push score of each verification question. Therefore, when the technical scheme is used for pushing the verification problems to the user, the answer accuracy, the safety degree and/or the privacy degree of the verification problems of the target user can be considered, so that the verification problems can be pushed to the user more pertinently and flexibly when the question-answer form is adopted for identity verification, the pushing mechanism of the verification problems is perfected, the answer passing rate of the user and the safety and privacy of the verification service are improved, and the experience of the user on the verification service is further improved.
It should be understood by those skilled in the art that the problem pushing apparatus in fig. 2 can be used to implement the problem pushing method described above, and the detailed description thereof should be similar to that of the method described above, and is not repeated herein to avoid complexity.
Based on the same idea, one or more embodiments of the present specification further provide a question pushing apparatus, as shown in fig. 3. The problem pushing device may have a large difference due to different configurations or performances, and may include one or more processors 301 and a memory 302, where the memory 302 may store one or more stored applications or data. Memory 302 may be, among other things, transient storage or persistent storage. The application program stored in memory 302 may include one or more modules (not shown), each of which may include a series of computer-executable instructions in a question-pushing device. Still further, the processor 301 may be configured to communicate with the memory 302 to execute a series of computer-executable instructions in the memory 302 on a problem-pushing device. The question pushing apparatus may also include one or more power sources 303, one or more wired or wireless network interfaces 304, one or more input-output interfaces 305, one or more keyboards 306.
In particular, in this embodiment, the problem pushing apparatus includes a memory, and one or more programs, wherein the one or more programs are stored in the memory, and the one or more programs may include one or more modules, and each module may include a series of computer-executable instructions for the problem pushing apparatus, and the one or more programs configured to be executed by the one or more processors include computer-executable instructions for:
determining the characteristic attribute of the verification problem of the target user; wherein the feature attributes include: verifying at least one of answer accuracy, security degree and privacy degree of the question;
determining a pushing score of the verification question according to the characteristic attribute of the verification question;
and determining the target verification question pushed to the target user according to the pushing score of each verification question.
Optionally, determining a weight value of the characteristic attribute of the verification question, and determining an attribute value of the characteristic attribute of the verification question;
and determining the weight value of the characteristic attribute of the verification problem and the weighted value of the attribute value as the push score of the verification problem.
Optionally, the computer executable instructions, when executed, may further cause the processor to:
and determining the weight of the characteristic attribute of the verification problem according to the scene and/or the service type of the verification service corresponding to the target user.
Optionally, the feature attributes comprise answer correctness rates of the verification questions; the computer executable instructions, when executed, may further cause the processor to:
obtaining historical behavior data of the target user in a service corresponding to the current verification service, wherein the historical behavior data comprises at least one of historical use behavior information of the service, historical answer behavior information aiming at the verification problem and answer passing rate score of the verification problem;
constructing a specified two-classification model;
and training by taking the historical behavior data as sample data of the specified binary model to obtain the answer accuracy of the verification question.
Optionally, the historical answer behavior information includes answer results, and the answer results include correct results or wrong results; the computer executable instructions, when executed, may further cause the processor to:
acquiring an answer result of the target user for the target verification question in the current verification service;
and updating the answer accuracy of the target verification question according to the answer result aiming at the target verification question.
Optionally, the characteristic attribute comprises the degree of security; the computer executable instructions, when executed, may further cause the processor to:
determining the information quantity carried by the verification problem according to the key words contained in the verification problem;
and determining the safety degree of the verification problem according to the information quantity, wherein the information quantity is in direct proportion to the safety degree.
Optionally, the characteristic attribute comprises the degree of privacy; the computer executable instructions, when executed, may further cause the processor to:
determining a degree of correlation between the verification question and the personal information of the target user;
and determining the privacy degree of the verification problem according to the correlation degree, wherein the correlation degree is in direct proportion to the privacy degree.
Optionally, the computer executable instructions, when executed, may further cause the processor to:
determining the verification question with the highest push score as a target verification question pushed to the target user; or the like, or, alternatively,
and determining the verification problem corresponding to the pushing score reaching the preset threshold value as a target verification problem to be pushed to the target user.
One or more embodiments of the present specification also propose a computer-readable storage medium storing one or more programs, the one or more programs including instructions, which when executed by an electronic device including a plurality of application programs, enable the electronic device to perform the above-mentioned problem pushing method, and in particular to perform:
determining the characteristic attribute of the verification problem of the target user; wherein the feature attributes include: verifying at least one of answer accuracy, security degree and privacy degree of the question;
determining a pushing score of the verification question according to the characteristic attribute of the verification question;
and determining the target verification question pushed to the target user according to the pushing score of each verification question.
The systems, devices, modules or units illustrated in the above embodiments may be implemented by a computer chip or an entity, or by a product with certain functions. One typical implementation device is a computer. In particular, the computer may be, for example, a personal computer, a laptop computer, a cellular telephone, a camera phone, a smartphone, a personal digital assistant, a media player, a navigation device, an email device, a game console, a tablet computer, a wearable device, or a combination of any of these devices.
For convenience of description, the above devices are described as being divided into various units by function, and are described separately. Of course, the functionality of the various elements may be implemented in the same one or more software and/or hardware implementations in implementing one or more embodiments of the present description.
One skilled in the art will recognize that one or more embodiments of the present description may be provided as a method, system, or computer program product. Accordingly, one or more embodiments of the present description may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, one or more embodiments of the present description may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
One or more embodiments of the present specification are described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
One or more embodiments of the present description may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types. The application may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote computer storage media including memory storage devices.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only one or more embodiments of the present disclosure, and is not intended to limit the present disclosure. Various modifications and alterations to one or more embodiments described herein will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of one or more embodiments of the present specification should be included in the scope of claims of one or more embodiments of the present specification.
Claims (18)
1. A question pushing method, comprising:
determining the characteristic attribute of the verification problem of the target user; wherein the feature attributes include: verifying at least one of answer accuracy, security degree and privacy degree of the question; the answer accuracy is determined based on historical behavior data of the target user in the business corresponding to the current verification service; the safety degree is determined based on the information quantity carried by the verification problem; the privacy degree is determined based on the correlation degree between the verification question and the personal information of the target user;
determining a pushing score of the verification problem according to the characteristic attribute of the verification problem and a scene and/or a service type of verification service corresponding to the target user;
determining a target verification question pushed to the target user according to the pushing score of each verification question;
the determining the push score of the verification question according to the characteristic attribute of the verification question and the scene and/or the service type of the verification service corresponding to the target user includes: and determining a weight value corresponding to each characteristic attribute according to a scene and/or a service type of the verification service corresponding to the target user, and determining a pushing score of the verification problem according to each characteristic attribute and the weight value corresponding to the characteristic attribute.
2. The method of claim 1, the determining a push score for the verification question according to a characteristic attribute of the verification question, comprising:
determining a weight value of the characteristic attribute of the verification problem, and determining an attribute value of the characteristic attribute of the verification problem;
and determining the weight value of the characteristic attribute of the verification problem and the weighted value of the attribute value as the push score of the verification problem.
3. The method of claim 2, the determining weights for the feature attributes of the verification problem, comprising:
and determining the weight of the characteristic attribute of the verification problem according to the scene and/or the service type of the verification service corresponding to the target user.
4. The method of claim 2, the feature attributes comprising a question correctness rate of the verification question;
correspondingly, determining the attribute value of the characteristic attribute of the verification problem comprises the following steps:
obtaining historical behavior data of the target user in a service corresponding to the current verification service, wherein the historical behavior data comprises at least one of historical use behavior information of the service, historical answer behavior information aiming at the verification problem and answer passing rate score of the verification problem;
constructing a specified two-classification model;
and training by taking the historical behavior data as sample data of the specified binary model to obtain the answer accuracy of the verification question.
5. The method of claim 4, wherein the historical answer behavior information comprises answer results, the answer results comprising correct results or incorrect results;
the method further comprises the following steps:
acquiring an answer result of the target user for the target verification question in the current verification service;
and updating the answer accuracy of the target verification question according to the answer result aiming at the target verification question.
6. The method of claim 2, the characteristic attribute comprising the degree of security;
correspondingly, determining the attribute value of the characteristic attribute of the verification problem comprises the following steps:
determining the information quantity carried by the verification problem according to the key words contained in the verification problem;
and determining the safety degree of the verification problem according to the information quantity, wherein the information quantity is in direct proportion to the safety degree.
7. The method of claim 2, the characteristic attribute comprising the degree of privacy;
correspondingly, determining the attribute value of the characteristic attribute of the verification problem comprises the following steps:
determining a degree of correlation between the verification question and the personal information of the target user;
and determining the privacy degree of the verification problem according to the correlation degree, wherein the correlation degree is in direct proportion to the privacy degree.
8. The method of claim 1, determining a target verification question to push to the target user based on the push score for each of the verification questions, comprising:
determining the verification problem with the highest push score as a target verification problem to be pushed to the target user; or the like, or, alternatively,
and determining the verification problem corresponding to the pushing score reaching the preset threshold value as a target verification problem to be pushed to the target user.
9. A problem-pushing device, comprising:
the first determination module is used for determining the characteristic attribute of the verification problem of the target user; wherein the feature attributes include: verifying at least one of answer accuracy, security degree and privacy degree of the question; the answer accuracy is determined based on historical behavior data of the target user in the business corresponding to the current verification service; the safety degree is determined based on the information quantity carried by the verification problem; the privacy degree is determined based on the correlation degree between the verification question and the personal information of the target user;
the second determining module is used for determining the pushing value of the verification problem according to the characteristic attribute of the verification problem and the scene and/or the service type of the verification service corresponding to the target user;
the third determining module is used for determining the target verification questions pushed to the target user according to the pushing scores of the verification questions;
and the second determining module determines the weight corresponding to each characteristic attribute according to the scene and/or the service type of the verification service corresponding to the target user, and determines the push score of the verification problem according to each characteristic attribute and the weight corresponding to the characteristic attribute.
10. The apparatus of claim 9, the second determining means comprising:
the first determining unit is used for determining the weight of the characteristic attribute of the verification question and determining the attribute value of the characteristic attribute of the verification question;
and the second determining unit is used for determining the weight value of the characteristic attribute and the weighted value of the attribute value of the verification question as the push score of the verification question.
11. The apparatus according to claim 10, wherein the first determining unit determines the weight of the feature attribute of the verification problem according to a scenario and/or a service type of a verification service corresponding to the target user.
12. The apparatus of claim 10, the characteristic attribute comprising a question correctness rate of the verification question;
the first determining unit is used for acquiring historical behavior data of the target user in a business corresponding to the current verification service, wherein the historical behavior data comprises at least one of historical use behavior information of the business, historical answer behavior information aiming at the verification question and answer passing rate score of the verification question; constructing a specified two-classification model; and training by taking the historical behavior data as sample data of the specified binary model to obtain the answer accuracy of the verification question.
13. The apparatus of claim 12, said historical answer behavior information comprising answer results, said answer results comprising correct results or incorrect results;
the device further comprises:
the acquisition module is used for acquiring the answer result of the target user aiming at the target verification question in the current verification service;
and the updating module is used for updating the answer accuracy of the target verification question according to the answer result aiming at the target verification question.
14. The apparatus of claim 10, the characteristic attribute comprising the degree of security;
the first determining unit is used for determining the information quantity carried by the verification question according to the key words contained in the verification question; and determining the safety degree of the verification problem according to the information quantity, wherein the information quantity is in direct proportion to the safety degree.
15. The apparatus of claim 10, the feature attributes comprising the degree of privacy;
the first determination unit determines the correlation between the verification question and the personal information of the target user; and determining the privacy degree of the verification problem according to the correlation degree, wherein the correlation degree is in direct proportion to the privacy degree.
16. The apparatus of claim 9, the third determination module comprising:
the third determining unit is used for determining the verification question with the highest push score as the target verification question pushed to the target user; or the like, or, alternatively,
and the fourth determining unit is used for determining the verification problem corresponding to the pushing score reaching the preset threshold value as the target verification problem pushed to the target user.
17. A question pushing device comprising:
a processor; and
a memory arranged to store computer executable instructions that, when executed, cause the processor to:
determining the characteristic attribute of the verification problem of the target user; wherein the feature attributes include: verifying at least one of answer accuracy, security degree and privacy degree of the question; the answer accuracy is determined based on historical behavior data of the target user in the business corresponding to the current verification service; the safety degree is determined based on the information quantity carried by the verification problem; the privacy degree is determined based on the correlation degree between the verification question and the personal information of the target user;
determining a pushing score of the verification problem according to the characteristic attribute of the verification problem and a scene and/or a service type of verification service corresponding to the target user;
determining a target verification question pushed to the target user according to the pushing score of each verification question;
the determining the push score of the verification question according to the characteristic attribute of the verification question and the scene and/or the service type of the verification service corresponding to the target user includes: and determining a weight value corresponding to each characteristic attribute according to a scene and/or a service type of the verification service corresponding to the target user, and determining a pushing score of the verification problem according to each characteristic attribute and the weight value corresponding to the characteristic attribute.
18. A storage medium storing computer-executable instructions that, when executed, implement the following:
determining the characteristic attribute of the verification problem of the target user; wherein the feature attributes include: verifying at least one of answer accuracy, security degree and privacy degree of the question; the answer accuracy is determined based on historical behavior data of the target user in the business corresponding to the current verification service; the safety degree is determined based on the information quantity carried by the verification problem; the privacy degree is determined based on the correlation degree between the verification question and the personal information of the target user;
determining a pushing score of the verification problem according to the characteristic attribute of the verification problem and a scene and/or a service type of verification service corresponding to the target user;
determining a target verification question pushed to the target user according to the pushing score of each verification question;
the determining the push score of the verification question according to the characteristic attribute of the verification question and the scene and/or the service type of the verification service corresponding to the target user includes: and determining a weight value corresponding to each characteristic attribute according to a scene and/or a service type of the verification service corresponding to the target user, and determining a pushing score of the verification problem according to each characteristic attribute and the weight value corresponding to the characteristic attribute.
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