KR100912373B1 - Running Appratus of Context Aware Framework for Resource Sharging based Context Information and Method thereof - Google Patents

Abstract

The present invention discloses a device and method for operating a CIB context aware framework for resource sharing. The present invention includes a CIB storage unit for storing shared resources, resource descriptions and context information; A device information manager supporting a function of managing and querying information stored in the CIB storage unit; A resource wrapper that receives information shared by one or more external devices and converts and reconfigures them according to system characteristics of the device; A resource encoder for providing the corresponding device provision information to the external device by generating a U-MO resource description of a predetermined rule; Its features are to include.

According to the present invention, various service combinations can be provided in a distributed environment through information sharing between U-MO devices using a CIB context recognition framework for resource sharing in which a U-MO device recognizes and determines a surrounding situation by itself. .

CIB, ubiquitous intelligent space, resource sharing, context aware framework, ubiquitous mobile object device

Description

Device and method for operating context aware framework for resource sharing {Running Appratus of Context Aware Framework for Resource Sharging based Context Information and Method

The present invention relates to an apparatus and method for operating a CIB context aware framework for resource sharing, and more particularly, using a CIB context aware framework for resource sharing in which a U-MO device recognizes and determines a surrounding situation by itself. The present invention relates to a CIB context aware framework operating apparatus and method for resource sharing that can provide a combination of services in various ways through the distribution of performance, provided services, and resources.

Future ubiquitous computing requires intelligent spaces where computer systems can reconfigure computing environments "anywhere, anytime". This space is defined as Ubiquitous smart space (USS), which is a system that intelligently embeds objects in the environment, allowing the system to recognize and judge the situation by itself, to share services tailored to users, and to provide them in a timely and autonomous manner. It is a service space.

In such a ubiquitous intelligent space, a ubiquitous mobile object device (U-MO device) becomes the main agent and intelligently provides a service, and the U-MO device provides mobility and various minimum resources required by the user. Saves resource information and manages and queries the stored information.

In order to provide user-oriented services in the ubiquitous intelligent space, it is important to understand what services the user wants using the current and surrounding situation information of the user and then provide the service.

Therefore, the ubiquitous intelligent space needs a context-aware framework that integrates, infers, and learns various contexts acquired through dynamic environments.

The context-aware service technology and context-aware framework operating device according to the prior art acquires basic data on the current situation from a specific input device based on a wired / wireless communication network in a ubiquitous environment and home, collects this data, A method of inferring normalized data was used.

As an example of the related art, a context description module for managing context information obtained from a sensor in Korean Patent Application No. 10-2005-0117652, a context normalization module for converting context information recognized from a sensor into a normalized structure, context A context integration module that generates an integrated context based on the recognized context from the context information provided by the normalization module, a context inference module that infers a higher level of context information from the recognized context information at a lower level, and a database by selecting only useful contexts. Context filtering module for storing in the context, Context learning module for obtaining the learned context information based on the information stored in the database, Event triggering module for automatically commanding actions or events for the safety or convenience of the user It discloses a context-aware framework that includes a.

As another example of the related art, Georgia Tech selected various services and sensors that are based on wired / wireless communication networks in the home in Aware Home project to select a service that the user needs to maximize user convenience and to manage the user's situation. Service skills are provided to help with situations.

In detail, the service recognizes the user's status information through various sensors including cameras and microphones for recognizing the identity, location, and behavior of the user in the home, and the user's profile and various states in the direction of home network technology development. Dynamically recognizes information, sensors and other environmental information, and uses knowledgeable technology to store, manage, and dispose of a variety of information, and intelligent, context-aware, context-sensitive, to provide services that adapt to the situation. Through self-learning minor technology, resources are shared by providing user's behavior patterns, repetitive sensors, and environmental information.

However, since it processes various contexts about the user's situation recognized through a specific input device based on a wired / wireless network, the device and the middleware have to be fully sized because the device and the middleware providing service must have all the functions. There is a problem of getting bigger.

In addition, all the performance and power are concentrated in a centralized way using a framework that collects all the data from the input devices centrally to determine and provide services. And limitations exist in mobile services.

In order to overcome these limitations, a technique for diversifying services that can be combined by distributing performance, provided services, and resources is required.

The present invention provides a combined service in a variety of ways through the distribution of performance, provided services, and resources using a CIB context aware framework for resource sharing, in which a U-MO device recognizes and determines its surroundings. The purpose of the present invention is to provide an apparatus and method for operating a CIB context aware framework for resource sharing.

In order to achieve the above object, a CIB context aware framework operating apparatus for resource sharing according to the present invention includes: a CIB storage unit for storing shared resources, resource descriptions, and context information; A device information manager supporting a function of managing and querying information stored in the CIB storage unit; A resource wrapper that receives information shared by one or more external devices and converts and reconfigures them according to system characteristics of the device; And a resource encoder for generating the U-MO resource description of a predetermined rule and providing the corresponding device provision information to the external device.

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According to another aspect of the present invention, a method for receiving a resource description and a shared resource using a CIB context aware framework operating apparatus for resource sharing including a CIB storage unit, comprising: (e) one device receiving one or more device information; Requesting a sharing framework operating apparatus to search for desired context information or shared resources; (f) retrieving the desired context information or shared resource information from the framework operating apparatus; And (g) converting the retrieved information into U- MO resource description information of a predetermined rule and providing the same to the work device, wherein the CIB context aware framework operating method for resource sharing is provided. .

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According to still another aspect of the present invention, there is provided a method for adding a shared resource description to a CIB context aware framework operating apparatus for resource sharing, comprising: (a) receiving a U-MO resource description shared by one or more external devices; ; (b) modifying the U-MO resource description to a resource description based on the system of the device; (c) storing the modified resource description in a CIB storage unit of the corresponding device, wherein the CIB context aware framework operating method for resource sharing is provided.

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An apparatus and method for operating a CIB context aware framework for resource sharing according to the present invention provides a performance and a provision using a CIB context aware framework for resource sharing in which a U-MO device recognizes and determines a surrounding situation by itself. Through the distribution of services and resources, combined services can be provided in various ways.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following embodiments are provided to those skilled in the art to fully understand the present invention, can be modified in various forms, the scope of the present invention is limited to the embodiments described below no.

1 is a block diagram illustrating a U-MO software platform according to an embodiment of the present invention. As illustrated in FIG. 1, the CIB operating apparatus 200 stores and manages context information collected from a resource provider < RTI ID = 0.0 > 150 < / RTI > on a U-MO software platform. It provides a framework, Service Broker (110), Service Listener (Service Reasoner) 120, Resource Composer (140), Resource Provider (150) Collaborate with

In addition, the CIB operating apparatus 200 converts the information collected from the external U-MO device to its own storage space, and generates the U-MO resource description information of a predetermined rule provided to the external U-MO device from the internal information. do.

2 is a block diagram illustrating an apparatus for operating a CIB framework according to an embodiment of the present invention. As shown in FIG. 2, the CIB framework operating apparatus includes a CIB storage unit 210 for storing shared resources, resource descriptions, and context information; A device information manager 220 supporting a function of managing and querying information stored in the CIB storage unit 210; A resource wrapper 230 that receives information shared by one or more external devices and converts and reconfigures them according to system characteristics of the corresponding device; And a resource encoder 240 for generating the U-MO resource description of a predetermined rule and providing the corresponding device provision information to the external device.

In this case, the device is a ubiquitous mobile object device (U-MO device) to share individual resource and context information stored in separate CIB storage units with each other through a context information base (CIB) framework.

The CIB storage unit 210 is a device for physically storing and managing context information. The CIB storage unit 210 stores the context information and shared resources defined in XML (eXtensible Markup Language) in an XML-based multilevel category structure.

In addition, the CIB storage unit 210 responds to the query using the XPath when the query of the device information manager 220 occurs.

Example 1 below shows a part of the XML schema of the XML form stored in the CIB storage unit 210.

(Example 1)

Here, the context information refers to information on various resources and objects that can be used by the U-MO device, and includes hardware context and user profile, which are peripheral device resource information such as a print, a monitor, and a keyboard. , User context such as location, physical context and user preference information such as physical information of temperature and humidity, and illumination, history context, which is a context record according to time There is this.

The Ubiquitous Mobile Object Information Base Manager (U-MO IB Manager) 220 is a main manager of the U-MO software platform, and stores, adds, changes, deletes, and queries information in the CIB storage unit 210. To provide.

At this time, each component of the U-MO software platform accesses the CIB operating apparatus 200 information through the device information manager 220.

The resource wrapper 230 reconstructs the information of the shared resource received from the resource providing / development unit 150 based on local information of the current system.

로 표현된 30분의 해당 리소스 사용기간을 현재 시스템 시간을 기준으로 재계산하여

와 같이, 2007년 11월 21일 12시 40분 00초에 리소스 사용이 만료됨을 나타내는 식의 정보를 재구성한다. For example, the resource wrapper 230 of the information of the resource description

Recalculate the resource usage time of 30 minutes based on the current system time

Reconstruct the information of the expression indicating that the resource usage is expired at 12:40:00 on November 21, 2007.

The resource encoder 240 retrieves resource information based on a discovery query through the query processor 221 of the device information manager 220 when a description information request for a shared resource is generated from an external U-MO device. The U / MO resource description information of the RDF format provided by the provision / development unit 150 is generated.

Meanwhile, the generated U-MO resource description information is transmitted to the U-MO device that has delivered the discovery query through the resource provision / deployment unit 150.

3 is a block diagram illustrating a device information manager 220 according to an embodiment of the present invention, and FIGS. 4 and 5 are query processors 221 of the device information manager 220 according to an embodiment of the present invention. And an operation procedure of the operation processor 222. Hereinafter, the operation of the device information manager 220 will be described in detail with reference to FIGS. 3 to 5.

As shown in FIG. 3, the device information manager 220 includes a query processor 221 requesting to retrieve a shared resource and the context information; The CIB storage unit 210 includes the operation processor 222 for adding the shared resource information and for adding, modifying, and deleting the context information.

The query processor 221 largely provides shared resource information request and context information search request functions.

First, the shared resource information request function is based on a discovery query element (RDF) for each discovery query element, as shown in Example 3 below, from a Discovery Query Request in XML form as shown in Example 2 below. ) Creates a shared resource information request in SPRQL form for retrieval.

The search result of the CIB storage unit 210 for the generated SPRQL type shared resource request is provided in the form of RDF as in Example 4.

(Example 2)

(Example 3)

(Example 4)

Secondly, the context information retrieval request function converts the context information retrieval request received from the U-MO software platform into a SPRAQL query as shown in Example 5 below to query the CIB storage unit 210 and then U-MO as shown in Example 6 below. It returns the result of the device ID (device ID) and communication channel (Communication Channel) of the device.

In this case, the U-MO device may request detailed technical information according to a service provided to the user.

(Example 5)

(Example 6)

The operation sequence of the query processor 221 according to an embodiment of the present invention will be described with reference to FIG. 4. A description with reference to FIG. 4 is as follows.

First, a desired context information or shared resource search is requested to a framework operating apparatus that shares one or more device information from one device (S410).

Subsequently, the desired context information or shared resource information is retrieved from the one or more devices in the framework operating apparatus (S420).

In this case, as described above, the framework operating apparatus converts the search request into a SPARQL format and queries the CIB storage unit 210 in which shared context information and resource description are stored.

The searched information is converted into the U-MO resource description information of a predetermined rule and provided to the work device (S430).

In this case, as described above, the CIB storage unit 210 provides a result of the query in the form of a resource description framework (RDF), and encodes the U-MO resource description information through the resource encoder 240. Provide to the device.

The operation processor 222 functions to add shared resource information and add, modify, and delete context information by the resource providing / development unit.

First, the shared resource information add function by the resource provision / deployment unit determines a location to be added to the CIB storage unit 210 to manage information on the found shared resource for each U-MO device and adds the information to the determined location. That's work.

Second, adding, modifying, and deleting context information is an abstraction of operations for SPARQL processing.

The additional operation means adding a new RDF model to the RDF model stored in the CIB storage unit 210. For this purpose, RDF data including content to be added and an RDF subject specifying a location to be added are required.

The modify operation is to replace the RDF model stored in the CIB storage unit 210 with a new RDF model and to modify the contents of specific property or RDF information. For this purpose, the RDF server having a reference position to the RDF model You need RDF data that contains the project and new content.

The deleting operation is to delete a part of the RDF model stored in the CIB storage unit 210. For this purpose, an RDF subject specifying a location to be deleted is required.

5 will be described in the operation sequence of the operation processor 222 according to an embodiment of the present invention. A description with reference to FIG. 5 is as follows.

First, a U-MO resource description shared by one or more external devices is received (S510).

Subsequently, the U-MO resource description is modified to a resource description based on the system of the corresponding device (S520).

Next, after determining the location to add the modified resource description to the CIB storage of the device, and stores the resource description information in the determined location (S530).

Subsequently, the stored resource description is provided when each component of the corresponding device or the external device request occurs, and the editing including the resource description addition, modification, and deletion is optionally performed.

The configuration of the present invention has been described above with reference to the preferred embodiments and the accompanying drawings. However, these are only examples and are not used to limit the scope of the present invention. Those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom, and the true scope of protection of the present invention should be determined by the technical spirit of the appended claims.

1 is a block diagram illustrating a U-MO software platform in accordance with the present invention.

Figure 2 is a block diagram showing a CIB framework operation apparatus according to the present invention.

3 is a block diagram illustrating a device information manager according to the present invention.

4 and 5 are flowcharts showing an operation procedure of the device information manager according to the present invention.

<Description of main parts of drawing>

200: CIB 210: CIB storage unit

220: device information manager 230: resource wrapper

240: resource encoder 150: resource provision / deployment

Claims (15)

A CIB storage unit for storing shared resources, resource descriptions, and context information; A device information manager supporting a function of managing and querying information stored in the CIB storage unit; A resource wrapper that receives information shared by one or more external devices and converts and reconfigures them according to system characteristics of the device; A resource encoder for providing the corresponding device provision information to the external device by generating a U-MO resource description of a predetermined rule; CIB context aware framework operating apparatus for resource sharing comprising a. The method of claim 1, wherein the generated resource description, CIB context aware framework management apparatus for resource sharing, characterized in that for providing the U-MO resource description to the external device through a resource providing / deployment unit. The device information manager of claim 1, wherein the device information manager comprises: A query processor requesting retrieval of the shared resource and the context information; An operation processor for requesting addition of the shared resource information and addition, modification, and deletion of the context information to the CIB storage unit; CIB context aware framework operating apparatus for resource sharing comprising a. The method of claim 1, wherein the context information, A hardware context that is peripheral resource information; A user context that is user information; Physical context, which is physical information of temperature and humidity; And History context, which is a context record over affinity and time CIB context aware framework operating apparatus for resource sharing, characterized in that the information comprising a. The method of claim 1, wherein the CIB storage unit, The context information, the resource description, and the shared resource defined in XML in an XML-based multilevel category structure CIB context aware framework operating apparatus for resource sharing, characterized in that for storing. The method of claim 1, wherein the CIB storage unit, CIB context aware framework operating apparatus for resource sharing, characterized in that for responding to the query of the device information manager using XPath. In the method of receiving a resource description and shared resources using a CIB context aware framework operating device for resource sharing including a CIB storage unit, (e) requesting, by a device, a desired framework information or shared resource search from a framework operating apparatus that shares one or more device information; (f) retrieving the desired context information or shared resource information from the framework operating apparatus; And (g) converting the retrieved information into U-MO resource description information of a predetermined rule and providing the same to the work device; Method for operating a CIB context aware framework for resource sharing comprising a. The method of claim 7, wherein step (f), (f-1) converting the search request into a SPARQL format to the framework operating apparatus to query a CIB storage unit; Method for operating a CIB context aware framework for resource sharing comprising a. The method of claim 7, wherein step (g) is (g-1) providing the retrieved information in the form of a resource description framework; (g-2) encoding the resource description framework to generate the U-MO resource description information; And (g-3) providing the U-MO resource description to the work device; Method for operating a CIB context aware framework for resource sharing comprising a. A method for adding a shared resource description to a CIB context aware framework operating device for resource sharing, (a) receiving a U-MO resource description shared by one or more external devices; (b) modifying the U-MO resource description to a resource description based on the system of the device; (c) storing the modified resource description in the CIB storage of the corresponding device; Method for operating a CIB context aware framework for resource sharing comprising a. The method of claim 10, wherein after step (c), (d) providing the stored resource description when each component of the corresponding device or the external device request occurs; CIB context-aware framework management method for resource sharing further comprising a. The method of claim 10, wherein after step (c), Performing editing including adding, modifying, and deleting the resource description CIB context-aware framework management method for resource sharing further comprises a. The method of claim 10, wherein step (c) comprises: (c-1) determining a location to add a resource description to the CIB storage unit; And (c-2) adding the resource description to the determined location  Method for operating a CIB context aware framework for resource sharing comprising a. The method according to any one of claims 7 to 13, wherein the CIB storage unit, Information about resources and objects that can be provided by the device defined in XML with an XML-based multilevel category structure. Method for operating a CIB context aware framework for resource sharing comprising a. The method according to any one of claims 7 to 13, wherein the resource description, Address of the device where the resource is stored and the communication channel CIB context-aware framework management method for resource sharing, characterized in that the information comprising a.

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