KR101067830B1 - Apparatus and method for resource search based on combination of multiple resource - Google Patents

Abstract

The present invention relates to an apparatus and method for searching for resources by integrating multiple resources, comprising: a technical term dictionary and context pattern information in which technical terms for each technical field are defined, and input using the technical term dictionary for each resource Descriptive term recognition and relationship generation module for recognizing descriptive terminology in a document and generating a relationship between the recognized descriptive term using the context pattern information, and a relationship between the recognized descriptive term and descriptive term in different multiple resources. A knowledge base construction module that maps and stores the integrated ontology, infers the integrated ontology, and expands the integrated knowledge base. When requested to provide resource search information for a technical field input by a user, Type selection screen for selecting research subject type and resource type A type selection module that receives a research subject type and a resource type, retrieves the integrated knowledge base, acquires one or more representative research subjects corresponding to the research subject type covering the technical field, and obtains the representative research subjects. A resource search information acquisition module for acquiring resource search information corresponding to the input resource type, and a resource search information providing module configured to display and obtain the obtained resource search information on a graph around the resource types. .
Therefore, according to the present invention, since the search information according to the research subject type and resource type inputted by the user is arranged and provided in the order of the year on the graph, it is possible to grasp the technical trend of the research subject and predict the future trend. It works.

Description

Apparatus and Method for Resource search based on combination of multiple resource}

The present invention relates to an apparatus and method for resource searching by integrating multiple resources. More particularly, the present invention relates to technology ontology and technology terms recognized in different multiple resources by mapping them into an integrated ontology, and storing them in the integrated ontology. After performing inference on the integrated knowledge base and providing the resource search information for the technical field input by the user, the search is performed to search the integrated knowledge base and one or more types of research subjects dealing with the technical field. A resource obtained by integrating multiple resources that obtains a representative research subject, obtains resource search information corresponding to a corresponding resource type, and displays them on a graph with the resource types as axes. A search apparatus and method.

In general, a resource retrieval device is a device that collects, classifies, and accumulates information to be extracted as needed.

One of the indispensable actions of human intellectual activity in the information society is the collection, accumulation, retrieval and use of information based on advanced science and technology. Personally, we need to find ways to obtain necessary information and data more quickly and accurately and to use it for R & D or decision making. Socially, we need a way to meet various information needs in each sector of society. Therefore, how to construct, maintain, and operate a resource retrieval apparatus that can be satisfied by information retrieval is important.

Therefore, the resource retrieval device is a device that quickly finds information suitable for a request from a database accumulated in an easy-to-find form by collecting, processing, and processing information or data which is expected to be required by the information consumer, and provides the information requester. In this form, the search results output from the information retrieval device may be reported by telephone, fax or mail, and the search results may be sent online to the home or office of the requester who owns the computer via the Internet. have.

It is divided into reference search, fact search, and full-text search according to the kind of information accumulated in the database. Reference search is the search for bibliographic references in the literature that focus on the subject that the requester wants to know. The fact search is to search general data, numerical data and fact data. The full-text search can search and view not only the bibliographic data but also the relevant text or the original text as needed from the database that accumulates the full text of the literature.

However, the conventional resource retrieval device has limited limitations in presenting different resources such as papers, research reports, patents, and the like independently of each other.

Therefore, in the flood of information, search information, which is a convergence of different resources, is categorized and provided according to the user's needs, so as to service convergence information by technology field necessary for research and development and research trends in the relevant technology field. There is a need to make it possible to use science and technology.

SUMMARY OF THE INVENTION The present invention has been proposed to solve the above-mentioned general problems, and an object of the present invention is to integrate multiple resources that enable information services from various points of view according to the needs of users by fusing different multiple resources. The present invention provides an apparatus and method for resource searching.

Another object of the present invention is to provide the search information according to the research subject type and resource type input by the user on a graph in order of year to grasp the technical trends for the research subject, and to predict future trends. To provide an apparatus and method for retrieving resources by the integration of.

According to an aspect of the present invention, a technical term dictionary and context pattern information in which technical terms are defined for each technical field are stored, and technical terms are recognized in an input document using the technical term dictionary for each resource. A technical term recognition and relationship generation module for generating a relationship between the recognized technical terms using context pattern information, and mapping and storing the relation between the recognized technical terms and technical terms in an integrated ontology in different multiple resources, and storing the integrated terms. Knowledge base building module that expands the integrated knowledge base by inferring ontologies, and when requested to provide resource retrieval information for a technical field input by a user, selecting a research subject type and a resource type for the technical field Type selection screen that receives research subject type and resource type by providing type selection screen Module, the integrated knowledge base is searched to obtain one or more representative research subjects corresponding to the research subject type covering the technical field, and resource search information corresponding to the input resource type for the acquired representative research subjects. Provided by the resource retrieval information acquisition module comprising a resource retrieval information acquisition module for respectively obtaining a resource retrieval module, and a resource retrieval information providing module for displaying the obtained resource retrieval information on a graph of the resource type axis; do.

The resource searching apparatus may further include a resource list providing module for providing a search list corresponding to a search result of the corresponding position or the content of the corresponding resource when a specific position on the graph provided through the resource searching information providing module is selected. .

The database may include at least one technical field, a technical term belonging to each technical field, a technical term dictionary database storing a technical term dictionary mapped with an identifier of each technical term, a context pattern information database storing pattern information about a context between technical terms, Contains a normalization dictionary database for normalizing context.

The terminology recognition and relationship generation module recognizes terms by performing morphological analysis, syntax analysis, and semantic analysis on the input document, and if the recognized terms are registered in the terminology dictionary, When two or more technical terms are recognized by the term recognition unit and the technical term recognition module, the context between the recognized technical terms is extracted based on the context pattern information, and the extracted context is based on the normalized dictionary database. It includes a relationship generating unit for generating a relationship between the technical terms in a manner that normalizes.

The technical term recognition unit assigns a technical field and an identifier to each of the recognized technical terms.

The relationship generating unit expresses a relationship between the extracted description term and the generated description term as a subject, a relationship name, and an object.

The knowledge base construction module stores the relationship between the technical terms generated in the different multiple resources or the metadata of each resource as an integrated ontology representing the connection relationship between the multiple resources.

The resource type refers to at least one of patents, papers, reports, academic data, standards, statistics, and electronic documents, and the type of research subject may be at least one of a country, a group, an institution, and a researcher.

The resource search information includes the number of research by year according to the technical field.

The resource retrieval information providing module is based on the input resource types, and generates and provides a graph displaying the number of studies, technical fields, and years according to the resource types for each representative research subject.

According to another aspect of the present invention, a method for providing a resource search information by integrating multiple resources in the resource retrieval device, (a) using the technical term dictionary for each resource to recognize the technical terms in the input document, Generating a relationship between the recognized technical terms using context pattern information, (b) mapping and storing the relationship between the recognized technical terms and technical terms in an integrated ontology in different multiple resources, and storing the integrated ontology for the integrated ontology Expanding the integrated knowledge base by performing inference; and (c) selecting a research subject type and a resource type for the technical field when requested to provide resource search information on the technical field input by the user. Providing a screen and inputting a research subject type and a resource type; (d) searching the integrated knowledge base to deal with the technical field; Acquiring at least one representative research subject corresponding to the research subject type, and acquiring resource search information corresponding to the input resource type with respect to the acquired representative research subjects, respectively (e) the obtained resource There is provided a resource searching method by integrating multiple resources, including providing and displaying search information on a graph with the resource types as axes.

The resource searching method by integrating the multiple resources may further include providing a search list corresponding to a search result of the corresponding position or contents of the corresponding resource when a specific position on the provided graph is selected.

The step (a) is to perform a morphological analysis, a syntax analysis, a semantic analysis on the input document to recognize a term, and if the recognized term is registered in the technical term dictionary, recognize the term as technical term, the recognition Extracting a context between the recognized descriptive terms based on the context pattern information, and extracting a context between descriptive terms in a manner of normalizing the extracted context based on a previously stored normalization dictionary. Generating.

The resource type refers to at least one of patents, papers, reports, academic data, standards, statistics, and electronic documents, and the type of research subject may be at least one of a country, a group, an institution, and a researcher.

The resource search information includes the number of research by year according to the technical field.

The step (e) may be based on the input resource types, generating and providing a graph indicating the number of studies and technical fields by year according to resource types for each representative research subject.

According to still another aspect of the present invention, there is provided a computer-readable recording medium having recorded thereon a program for executing a resource searching method by integrating multiple resources.

According to the present invention, information services from various viewpoints are possible according to a user's request by fusing different resources, and various services for supporting decision making are prevented and accurate decisions are prevented by fragmentary knowledge. This has a possible effect.

In addition, since the search information according to the research subject type and resource type inputted by the user is arranged and provided in the order of year on the graph, it is possible to grasp the technical trend of the research subject and predict the future trend.

1 is a block diagram schematically illustrating a configuration of an apparatus for resource searching by integrating multiple resources according to an embodiment of the present invention.
2 is a flowchart illustrating a method in which a resource searching apparatus provides resource search information by integrating multiple resources according to an embodiment of the present invention.
3 is an exemplary view of a type selection screen according to the present invention.
4 is an exemplary view of a resource search result providing screen according to the present invention.

Details of the above-described objects and technical configurations of the present invention and the effects thereof according to the present invention will be more clearly understood by the following detailed description based on the accompanying drawings.

1 is a block diagram schematically illustrating a configuration of an apparatus for resource searching by integrating multiple resources according to an embodiment of the present invention.

Referring to FIG. 1, a resource search apparatus (hereinafter referred to as a resource search apparatus) 100 by integrating multiple resources may include a database 110, a technical term recognition and relationship generation module 120, and a knowledge base construction module 130. ), A type selection module 150, a resource search information acquisition module 160, and a resource search information providing module 170.

The database 110 includes one or more technical fields, a technical term belonging to each technical field, a technical term dictionary database 112 in which a technical term dictionary mapped with an identifier of each technical term is stored, and pattern information about a context between technical terms. The stored context pattern information database 114, and a normalization dictionary database 9316 for normalizing the context.

The terminology recognition and relationship generation module 120 recognizes a terminology in an input document by using the terminology dictionary for each resource, and generates a relationship between the recognized terminology using the context pattern information.

The terminology recognition and relationship generation module 120 as described above includes a terminology recognition unit 122 and a relationship generation unit 124.

The technical term recognition unit 122 recognizes terms by performing morphological analysis, syntax analysis, and semantic analysis on the input document, and recognizes the technical terms when the recognized terms are registered in the technical term dictionary. In this case, the technical term recognition unit 122 assigns a technical field and an identifier to each recognized technical term.

When two or more technical terms are recognized by the technical term recognition unit 122, the relationship generator 124 extracts a context between the recognized technical terms based on the context pattern information, and extracts the normalized dictionary database. On the basis of 116, the relation between the technical terms is generated by normalizing the extracted context.

For example, in the case of a "notebook consists of monitor, SSD, and mobile processor" sentence, the terminology recognition unit 122 recognizes the terminology of the notebook, monitor, SSD, mobile processor in the sentence.

In this case, since two or more technical terms have been recognized, the relationship generation unit 124 extracts only the contexts matching the pre-stored context pattern information, for example, "Be verb + past participle type + preposition".

Then, based on the normalization dictionary database 116, the relationship generation unit 124 unifies the tense of the context, for example, "was" as "be", and similar expressions, for example, "similar to". Contextual normalization, such as unifying "similar with" with "similar to", creates a relationship between technical terms.

The relationship generation unit 124 expresses the relationship between the recognized technical terms as a subject, a relationship name, and an object.

The technical term recognition and relationship generation module 120 is a method for generating the technical term recognition and relationship is made for each resource, where the resource refers to patents, articles, reports, academic data, standards, statistics, electronic documents, and the like.

The knowledge base construction module 130 maps and stores the relation between the technical term and the technical term recognized in the technical term recognition and relationship generation module as an integrated ontology in different multiple resources, and performs inference on the integrated ontology. Extend the integrated knowledge base.

In this case, the knowledge base construction module 130 stores the relationship between the technical terms generated in different multiple resources or metadata of each resource as an integrated ontology represented as a connection relationship between the multiple resources.

The integrated knowledge base generated by the knowledge base building module 130 is stored in the knowledge base DB 140.

When the type selection module 150 is requested to provide resource search information for a technical field input by a user, the type selection module 150 displays a type selection screen for selecting a research subject type for the technical field and a resource type as an axis of a graph. Provides input of research subject type and resource type from the user.

That is, the type selection module 150 provides a type selection screen for selecting a research subject type and a resource type for the technical field when the user inputs a technical field to be searched. The type selection screen may further include a year range designation area for designating a year range.

The user may input a research subject type and a resource type through the type selection screen and additionally specify a year range.

Here, the type of research subject refers to a country, a group, an institution, a researcher, and the like, and the resource type refers to a patent, a paper, a report, an academic data, a standard, statistics, an electronic document, and the like.

The resource search information acquisition module 160 searches the integrated knowledge base extended by the knowledge base construction module 130 to obtain one or more representative research subjects corresponding to the inputted research subject type, covering the technical field, Obtaining resource search information corresponding to the input resource type from the technical field for the representative research subjects, respectively. The resource search information may refer to the number of research by year according to the technical field.

That is, the resource retrieval information acquisition module 160 searches the integrated knowledge base to cover the technical field and acquire research subjects corresponding to the research subject type, and the predetermined number of research subjects among the acquired research subjects. Search them as a representative research subject.

Then, the resource retrieval information acquisition module 160 obtains resource retrieval information corresponding to the input resource type, respectively, among the resources published by the searched representative research subjects in the technical field.

In this case, when the year range is designated through the type selection screen, the resource search information obtaining module 160 obtains only the resource search information corresponding to the year range from the obtained resource search information.

The resource search information providing module 170 displays and provides the resource search information acquired by the resource search information obtaining module 160 on a graph around the resource types. In this case, the resource search information is displayed on a graph arranged in order by year for each research subject.

That is, the resource search information providing module 170 is based on the input resource types, and generates and provides a graph in which the number of studies and technical fields according to the resource types are displayed for each representative research subject.

The resource search information providing module 170 provides search information according to the research subject type and the resource type input by the user in order of year on a graph, so that the technology trend for the research subject can be identified. Make it possible to predict future trends.

When the specific location on the graph provided through the resource search information providing module 170 is selected, the resource search apparatus 100 provides a resource list providing module for providing a search list corresponding to a search result of the corresponding location or the content of the corresponding resource. It may further include (not shown).

The resource retrieval apparatus 100 configured as described above extracts implicit information through text mining within multiple resources such as articles, patents, and reports, and fuses it with explicit information such as metadata. It is put on the service platform based on semantic web technology to enable information service from various viewpoints.

2 is a flowchart illustrating a method of providing a resource search information by integrating multiple resources by a resource searching apparatus according to an embodiment of the present invention, FIG. 3 is an exemplary view of a type selection screen according to the present invention, and FIG. An example of a resource search result providing screen according to FIG.

Referring to FIG. 2, the resource retrieval apparatus recognizes a technical term in an input document by using a technical term dictionary for each resource (S200), and generates a relationship between the recognized technical terms using context pattern information (S202). ). That is, the resource retrieval apparatus recognizes a term by performing morphological analysis, syntax analysis, and semantic analysis on the input document, and recognizes the term as a technical term when the recognized term is registered in the technical term dictionary. Then, when the recognized technical term is two or more, the resource searching apparatus extracts a context between the recognized technical terms based on the context pattern information, and normalizes the extracted context based on a previously stored normalization dictionary. Create relationships between technical terms.

After performing the step S202, the resource retrieval apparatus maps and stores the relationship between the technical term and the technical term respectively recognized in different multiple resources as an integrated ontology (S204), and performs an inference on the integrated ontology to generate an integrated knowledge base. It expands (S206). In other words, the resource retrieval device extracts internal information through text mining within multiple resources such as papers, patents, and reports, fuses it with external information such as metadata, and uploads it to a semantic web technology based service platform from various viewpoints. Enable information services.

After performing the step S206, when the resource search apparatus is requested to provide resource search information for the technical field input by the user (S208), a type selection screen for selecting a research subject type and a resource type for the technical field. Provide (S210) receives the research subject type and resource type (S212).

That is, the user inputs a technical field to be searched through the search word input screen. Then, the resource search apparatus provides a type selection screen as shown in FIG.

Referring to FIG. 3 for the type selection screen, the type selection screen 300 includes a research subject type selection region 310 for selecting a research subject type, a resource selection region for selecting a resource which is an axis of a graph ( 320).

The user selects a research subject type from a country, a group, an institution, or a researcher in the research subject type selection region 310, and patents, articles, reports, academic data, standards, and statistics in the resource selection region 320. Select at least one resource for the axis of the graph from the electronic document. Here, although the resource selection area 320 is configured in a form capable of selecting two resources, it is natural that the resource selection area 320 can be configured in various forms in which a plurality of resources such as three or four can be selected.

After performing the S212, the resource search apparatus searches the integrated knowledge base to cover the technical field and acquire one or more representative research subjects corresponding to the research subject type (S214), and the representative research subjects Resource search information corresponding to the input resource type is obtained from the technical field, respectively (S216).

Then, the resource retrieval apparatus displays the obtained resource retrieval information on a graph with the resource types as axes (S218).

That is, the resource search apparatus may provide a resource search result providing screen 400 as shown in FIG. 4.

Referring to FIG. 4, a user selects a research subject type as "country" and a resource type as "patent" and "paper" in the type selection screen.

The resource search apparatus searches an integrated knowledge base to obtain one or more representative countries, namely, A, B, and C countries, and searches for "patents" and "papers" published by the acquired representative countries.

The resource retrieval apparatus then generates a graph with the X-axis as the paper and the Y-axis as the patent, and displays the resource search results on the generated graph.

In other words, if the country A achieved four papers and four patents in 2007, the resource retrieval device has an institution, year, and technology along with a dot or icon at a position where the X value is 4 and the Y value is 4 on the graph. Mark the field.

In addition, if the country A achieved six papers and six patents in 2008, the resource retrieval device has an institution, year, and technology with a dot or icon at the position where the X value is 6 and the Y value is 6 on the graph. Mark the field.

In addition, if the country A has achieved eight papers and eight patents in 2009, the resource retrieval device has an institution, year, and technology with a dot or icon at the position where the X value is 8 and the Y value is 8 on the graph. Mark the field.

In addition, if the country B achieved five papers and two patents in 2007, the resource retrieval device has an institution, year, and technology along with a dot or icon at a position with an X value of 5 and a Y value of 2 on the graph. Mark the field.

In addition, if the country C achieved three papers and seven patents in 2007, the resource retrieval device has an institution, year, and technology with a dot or icon at a position where the X value is 3 and the Y value is 7 on the graph. Mark the field.

As described above, the resource retrieval apparatus sorts the acquired resource retrieval information on a graph in order of year so as to identify a technical trend for the research subject and to predict a future trend. The specific location on the graph means the value of the research outcomes of the resource for a particular research subject.

As such, those skilled in the art will appreciate that the present invention can be implemented in other specific forms without changing the technical spirit or essential features thereof. Therefore, the above-described embodiments are to be understood as illustrative in all respects and not as restrictive. The scope of the present invention is shown by the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

As described above, the apparatus and method for resource searching by integrating multiple resources of the present invention sorts and provides the research subject type input by the user and the search information according to the resource type in the order of the year on the graph, for the research subject. It is suitable for those that have a high need to understand the technical trend.

100: resource search information providing apparatus 110: database
120: technical term recognition and relationship generation module
130: knowledge base building module 140: knowledge base DB
150: type selection module 160: resource search information acquisition module
170: resource search information providing module

Claims (17)

A database storing a technical term dictionary and context pattern information in which technical terms for each technical field are defined;
A technical term recognition and relationship generation module for recognizing a technical term in an input document by using the technical term dictionary for each resource, and generating a relationship between the recognized technical term using the context pattern information;
A knowledge base building module for mapping and storing relations between technical terms and technology terms recognized in different multiple resources as integrated ontology, and expanding the integrated knowledge base by inferring the integrated ontology;
When a request for providing resource search information for a technical field input by a user is requested, a type selection screen for selecting a research subject type and a resource type for the technical field is provided to select a type for receiving a research subject type and a resource type. module;
Search the integrated knowledge base to obtain one or more representative research subjects that cover the technical field and correspond to the research subject type, and obtain resource search information corresponding to the input resource type for the acquired representative research subjects, respectively. Obtaining resource search information obtaining module; And
A resource search information providing module configured to display the obtained resource search information on a graph with the resource types as an axis;
Resource search apparatus by the integration of multiple resources including a.
The method of claim 1,
When a specific location on the graph provided through the resource search information providing module is selected, a resource list providing module for providing a search list corresponding to the search result of the location or the content of the corresponding resource further comprises Resource retrieval device by integration.
The method of claim 1,
The database includes:
A technical term dictionary database in which one or more technical fields, a technical term belonging to each technical field, and a technical term dictionary mapped with an identifier of each technical term are stored;
A context pattern information database in which pattern information about a context between description terms is stored; And
Apparatus for retrieving resources by integrating multiple resources in which correlations among study subjects are included, including a normalization dictionary database for normalizing a context.
The method of claim 1,
The terminology recognition and relationship generation module,
A technical term recognition unit that recognizes terms by performing morphological analysis, syntax analysis, and semantic analysis on the input document, and recognizes the technical terms when the recognized terms are registered in the technical term dictionary; And
When two or more technical terms are recognized by the technical term recognition unit, a context between the recognized technical terms is extracted based on the context pattern information, and the extracted context is normalized based on a normalized dictionary database. Apparatus for retrieving resources by integrating multiple resources, characterized in that it comprises a relationship generating unit for generating a relationship between the technical terms in a manner.
The method of claim 4, wherein
The technical term recognition unit is a resource retrieval apparatus by integrating multiple resources, characterized in that to assign a technical field and identifier to each of the recognized technical terms.
The method of claim 4, wherein
And the relationship generating unit expresses the relationship between the recognized technical terms as a subject, a relationship name, and an object.
The method of claim 1,
The knowledge base construction module stores the resource between the technical terms generated in the different multiple resources or the integrated ontology representing metadata of each resource as a connection relationship between the multiple resources. .
The method of claim 1,
The resource type refers to at least one of patents, papers, reports, academic data, standards, statistics, and electronic documents, and the research subject type is at least one of a country, a group, an institution, and a researcher. Resource retrieval device.
The method of claim 1,
The resource retrieval information is a resource retrieval apparatus by integrating multiple resources, characterized in that it includes the number of research by year according to the technical field.
The method of claim 1,
The resource retrieval information providing module is based on the input resource types, and generates and provides a graph indicating the number of studies, technical fields, and years according to the resource type for each representative research subject. Resource Retrieval Device.
In the method for providing a resource retrieval information by integrating multiple resources, the resource retrieval apparatus,
(a) recognizing a technical term in an input document by using a technical term dictionary for each resource, and generating a relationship between the recognized technical terms using context pattern information;
(b) mapping and storing the relations between the technical terms and the technical terms respectively recognized in different multiple resources as integrated ontology, and expanding the integrated knowledge base by performing inference on the integrated ontology;
(c) When requested to provide resource search information for a technical field input by a user, provide a type selection screen for selecting a research subject type and resource type for the technical field, and input the research subject type and resource type. Receiving step;
(d) search the integrated knowledge base to obtain one or more representative research subjects covering the technical field and corresponding to the research subject type, and search for resources corresponding to the input resource type for the acquired representative research subjects; Obtaining information, respectively; And
(e) providing the obtained resource search information on a graph with the resource types as axes;
Resource search method by the integration of multiple resources comprising a.
The method of claim 11,
When the specific location on the provided graph is selected, providing a search list or the content of the resource corresponding to the search result of the location further comprising the step of resource search by integrating multiple resources.
The method of claim 11,
In step (a),
Recognizing terms by performing morphological analysis, syntax analysis, and semantic analysis on the input document, and recognizing technical terms when the recognized terms are registered in the technical term dictionary;
Extracting a context between the recognized technical terms based on the context pattern information when the recognized technical terms are two or more; And
And generating a relationship between descriptive terms in a manner of normalizing the extracted context based on a previously stored normalization dictionary.
The method of claim 11,
The resource type refers to at least one of patents, papers, reports, academic data, standards, statistics, and electronic documents, and the research subject type is at least one of a country, a group, an institution, and a researcher. Resource retrieval method.
The method of claim 11,
The resource retrieval information is a resource retrieval method by integrating multiple resources, characterized in that it includes the number of research by year according to the technical field.
The method of claim 11,
In step (e),
The resource retrieval method by integrating multiple resources based on the input resource types, and generating and providing a graph indicating the number of researches and technical fields by year according to the resource type for each representative research subject.
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