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WO2019168219A1 - Procédé de recherche de ressource sémantique dans un système m2m - Google Patents

Procédé de recherche de ressource sémantique dans un système m2m Download PDF

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Publication number
WO2019168219A1
WO2019168219A1 PCT/KR2018/002458 KR2018002458W WO2019168219A1 WO 2019168219 A1 WO2019168219 A1 WO 2019168219A1 KR 2018002458 W KR2018002458 W KR 2018002458W WO 2019168219 A1 WO2019168219 A1 WO 2019168219A1
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WO
WIPO (PCT)
Prior art keywords
semantic
search
resource
semantic resource
query
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2018/002458
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English (en)
Korean (ko)
Inventor
정승명
김재호
이지호
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Korea Electronics Technology Institute
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Korea Electronics Technology Institute
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Filing date
Publication date
Application filed by Korea Electronics Technology Institute filed Critical Korea Electronics Technology Institute
Publication of WO2019168219A1 publication Critical patent/WO2019168219A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
    • G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
    • G06F9/5027—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals
    • G06F9/505—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals considering the load
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]

Definitions

  • the present invention relates to technologies related to Machine to Machine (M2M) / Internet of Things (IoT), and more particularly, to a method of searching for semantic resources in an M2M / IoT system.
  • M2M Machine to Machine
  • IoT Internet of Things
  • the oneM2M standard provides the ability to store, query and search semantic resources.
  • access control provided by oneM2M may be applied to semantic resource search.
  • Semantic resource retrieval is performed in the semantic database, not in the normal database. As a result, semantic resource retrieval with access control makes the semantic database huge, which can significantly reduce performance.
  • the present invention has been made to solve the above problems, and an object of the present invention is to provide a method for more efficiently and lightly implement a semantic resource search function to which the access control is applied and an M2M system applying the same.
  • a semantic resource search method comprises: receiving a semantic resource search request; Searching for a semantic resource to which the application requesting the semantic resource search has a search right; Modifying the semantic query included in the received semantic resource search request by reflecting the search result; Sending the modified semantic query to the semantic database.
  • the retrieval step may then treat the semantic resource having no access control information as if the application has a retrieval right.
  • the modifying step may include the semantic resource retrieved in the searching step in the semantic query to limit the search range in the semantic database to the included semantic resource.
  • the ID of the semantic resource found in the searching step may be converted into an ID used in the semantic database and included in the semantic query.
  • the semantic database may perform semantic resource search according to the semantic query.
  • the semantic resource search method may further include receiving a semantic resource search result from the semantic database as a result of the semantic query.
  • the receiving step may receive the ID of the parent resource of the semantic resource corresponding to the semantic query transmitted in the transmitting step.
  • the semantic resource search method according to an embodiment of the present invention may further include returning the received semantic resource search result to the application.
  • the retrieval step may be retrieved by an external system that stores access control information on the semantic resource.
  • the electronic device a communication unit for communicating with the terminal and the semantic database is installed application; And receiving a semantic resource search request from the terminal through the communication unit, searching for a semantic resource that the application installed in the terminal requesting the semantic resource search has authority to search, and searching for a semantic query included in the semantic resource search request received from the application. It includes a processor for modifying the reflection to the result, and transmits to the semantic database through the communication unit.
  • a method for searching for semantic resources includes: searching for semantic resources for which an application requesting for searching for semantic resources has a search right; And modifying the semantic query included in the received semantic resource search request by reflecting the search result.
  • a computer-readable recording medium comprising: searching for a semantic resource that the application requesting the semantic resource search has authority to search; And a step of modifying the semantic query included in the received semantic resource search request by reflecting the search result.
  • the semantic resource search function to which the access control is applied can be more efficiently and lightly implemented. In particular, it is possible to maintain an optimal state of search performance without increasing the processing load on the semantic database.
  • FIG. 1 is a diagram provided to explain a semantic resource search method according to an embodiment of the present invention
  • FIG. 2 is a diagram provided to explain a semantic resource search method according to another embodiment of the present invention.
  • FIG. 3 is a view showing an M2M system to which the present invention is applicable.
  • FIG. 4 is an internal block diagram of the electronic devices shown in FIG. 3.
  • 1 is a diagram provided to explain a semantic resource search method according to an embodiment of the present invention.
  • access control on a semantic resource is first performed in the oneM2M platform 100, and a semantic query reflecting the result is generated, so that the semantic database 200 has simple semantics. Only perform a search.
  • the semantic when storing a semantic resource on the oneM2M platform 100, such as ⁇ semanticDescriptor> in the semantic database 200, the semantic in addition to the ID of the semantic resource It also stores the ID of the parent resource of the resource.
  • the oneM2M platform 100 receives a oneM2M Semantic Resource Discovery Request from the user application 10 (1).
  • the received semantic resource search request is a request according to the oneM2M standard.
  • the oneM2M platform 100 searches for the semantic resource to which the user application 10 that has requested the semantic resource search has the search right. This is a procedure for applying access control to semantic resource retrieval.
  • the oneM2M platform 100 can refer to this attribute to find out the semantic resource to which the user application 10 has search authority. have.
  • the oneM2M platform 100 may have a semantic resource having no access control information as an attribute.
  • the ⁇ semanticDescriptor> resource which is a semantic resource according to the oneM2M standard, may indicate access control information through the accessControlPolicyIDs attribute, but this attribute may not exist because it is an option.
  • the oneM2M platform 100 treats the user application 10 as having search rights. That is, when the accessControlPolicyIDs attribute of the ⁇ semanticDescriptor> resource does not exist, the oneM2M platform 100 performs access control without applying the system default policy.
  • a semantic resource search to which access control is applied may be performed even for a ⁇ semanticDescriptor> resource having no accessControlPolicyIDs attribute.
  • the oneM2M platform 100 reflects the search result for the semantic query included in the semantic resource search request received from the user application 10. Correct it.
  • the oneM2M platform 100 includes information about semantic resources found as having the search right of the user application 10 in the semantic query. This is to limit the search range in the semantic database 200 to semantic resources included in the semantic query.
  • the oneM2M platform 100 may identify the ID of the retrieved semantic resource. Is converted into an ID format used by the semantic database 200 and then included in the semantic query. If the ID formats are the same, this procedure is omitted.
  • the oneM2M platform 100 transmits the modified semantic query to the semantic database 200 (2).
  • the semantic database 200 performs a search according to the received semantic query, and the search range is that the user application 10 has the authority to search among semantic resources that the semantic database 200 holds information with. Limited to semantic resources.
  • the semantic database 200 When searching for semantic resources, the semantic database 200 does not apply access rights to semantic resources of the user application 10 that is the requestor. This is already applied by the oneM2M platform 100.
  • the semantic database 200 returns a semantic resource search result for the semantic query received from the oneM2M platform 100 (3). Through this, the oneM2M platform 100 obtains a semantic resource search result.
  • the semantic resource search result includes the ID of the parent resource of the semantic resource that matches the semantic query.
  • the semantic query transmitted by the oneM2M platform 100 to the semantic database 200 may add / modify the semantic query to return its parent resource ID instead of the semantic resource ID when the search result is returned.
  • the oneM2M platform 100 returns the semantic resource search result received from the semantic database 200 to the user application 10 (4).
  • the oneM2M platform 100 stores access control information on semantic resources, so that the search for semantic resources that the user application 10 has access to is performed in the oneM2M platform 100. It was.
  • the access control information on the semantic resource is stored in an external system other than the oneM2M platform 100, the technical idea of the present invention may be applied even when searching in the external system.
  • the oneM2M platform 100 first performs access control using the dynamicAuthorizationConsultationIDs attribute value of the external system 300 (3, 4), and the user application 10 has access authority.
  • the semantic database 200 performs a query only on semantic resources.
  • the oneM2M platform 100 receives a search request for semantic resources that the user application 10 has access to and returns from the external system 300, and modifies the semantic query received from the user application 10 based on the request. To the semantic database 200.
  • M2M system to which the present invention is applicable is a diagram illustrating an M2M system to which the present invention is applicable.
  • M2M system to which the present invention is applicable as shown in Figure 3, the server (100-1), the gateway (100-21, 100-22), the device (100-31, 100-32, 100-33, 100) And various electronic devices such as -34) are connected to each other so as to communicate with each other.
  • connection structure of the electronic devices shown in FIG. 3 may also be replaced in other ways as necessary.
  • All of the electronic devices illustrated in FIG. 3 may be the oneM2M platform 100 that performs the semantic resource search function in the aforementioned M2M system.
  • FIG. 4 is an internal block diagram of the electronic devices shown in FIG. 3. Configurations necessary for implementing an embodiment of the present invention are the server (100-1), gateway (100-21, 100-22), device (100-31, 100-32, 100-33, 100-34) Is common. Therefore, in Fig. 4, these are referred to collectively as "100", which will be referred to collectively as electronic devices hereinafter.
  • electronic devices include a communication unit 110, a processor 120, a storage unit 130, and a function block 140.
  • the communication unit 110 is a communication interface means for communicating with an external device, such as a user terminal in which the user application 10 is installed, the semantic database 200, and the external system 300.
  • the processor 120 includes at least one application entity (AE) and a common service entity (CSE). Depending on the type and function of the electronic device, the AE may not be included.
  • AE application entity
  • CSE common service entity
  • the semantic resource search function presented above of the processor 120 is performed, and the storage unit 130 provides a storage space necessary for the processor 120 to perform the semantic resource search function.
  • the function block 140 performs an inherent function of the electronic device. For example, when the electronic device is the server 100-1, virtual machines providing a service correspond to the function block 140.
  • the technical idea of the present invention can be applied to a computer-readable recording medium containing a computer program for performing the functions of the apparatus and method according to the present embodiment.
  • the technical idea according to various embodiments of the present disclosure may be implemented in the form of computer readable codes recorded on a computer readable recording medium.
  • the computer-readable recording medium can be any data storage device that can be read by a computer and can store data.
  • the computer-readable recording medium may be a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical disk, a hard disk drive, or the like.
  • the computer-readable code or program stored in the computer-readable recording medium may be transmitted through a network connected between the computers.

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  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

La présente invention concerne un procédé de recherche de ressource sémantique dans un système M2M. Le procédé de recherche de ressource sémantique selon un mode de réalisation de la présente invention comprend les étapes consistant : à rechercher, lorsqu'une demande de recherche d'une ressource sémantique est reçue, une ressource sémantique pour laquelle une application ayant demandé la recherche de ressource sémantique possède un droit de recherche ; et à modifier une interrogation sémantique comprise dans la demande de recherche de ressource sémantique reçue, par application d'un résultat de recherche, et à transmettre l'interrogation sémantique modifiée à une base de données. Par conséquent, une fonction de recherche de ressource sémantique, à laquelle une commande d'accès est appliquée, peut être mise en œuvre de manière plus efficace et aisée.
PCT/KR2018/002458 2018-02-28 2018-02-28 Procédé de recherche de ressource sémantique dans un système m2m Ceased WO2019168219A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180024157A KR102116176B1 (ko) 2018-02-28 2018-02-28 M2m 시스템에서의 시맨틱 리소스 검색 방법
KR10-2018-0024157 2018-02-28

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WO2019168219A1 true WO2019168219A1 (fr) 2019-09-06

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KR102795253B1 (ko) * 2019-10-23 2025-04-16 한국전자기술연구원 IoT/M2M 플랫폼에서 리소스 ID 포맷 변환 방법
KR20220007975A (ko) * 2020-07-13 2022-01-20 한국전자기술연구원 M2m 데이터 마켓플레이스를 이용한 m2m 데이터셋 판매 및 구매 방법
WO2023063443A1 (fr) * 2021-10-14 2023-04-20 한국전자기술연구원 Procédé de génération d'ensemble de données d'inférence d'apprentissage automatique (ml) à l'aide de plateforme d'ido
WO2023063444A1 (fr) * 2021-10-14 2023-04-20 한국전자기술연구원 Procédé de construction d'un ensemble de données d'entraînement d'apprentissage automatique à l'aide d'une plateforme de l'internet des objets

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KR20150120593A (ko) * 2014-04-17 2015-10-28 전자부품연구원 IoT 리소스 검색 방법 및 서버
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KR20130012388A (ko) * 2011-07-25 2013-02-04 삼성전자주식회사 시맨틱 웹 어플리케이션의 모델 확장 장치, 시맨틱 웹 어플리케이션의 모델 확장 방법 및 이를 이용한 단말기
KR20150120593A (ko) * 2014-04-17 2015-10-28 전자부품연구원 IoT 리소스 검색 방법 및 서버
KR20170100646A (ko) * 2014-12-30 2017-09-04 콘비다 와이어리스, 엘엘씨 M2m 시스템들에 대한 시맨틱 주석 및 시맨틱 저장소
US20170124193A1 (en) * 2015-10-30 2017-05-04 Convida Wireless, Llc Restful operations for semantic iot
KR20170109399A (ko) * 2016-03-21 2017-09-29 전자부품연구원 온톨로지 기반 IoT 서비스 구성 방법 및 시스템

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KR102116176B1 (ko) 2020-05-27

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