WO2011074729A1 - Système et procédé d'identification d'instance à base d'ontologie - Google Patents

Système et procédé d'identification d'instance à base d'ontologie Download PDF

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Publication number
WO2011074729A1
WO2011074729A1 PCT/KR2009/007593 KR2009007593W WO2011074729A1 WO 2011074729 A1 WO2011074729 A1 WO 2011074729A1 KR 2009007593 W KR2009007593 W KR 2009007593W WO 2011074729 A1 WO2011074729 A1 WO 2011074729A1
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instance
ontology
identified
identification
registered
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PCT/KR2009/007593
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English (en)
Korean (ko)
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김평
정한민
이승우
이미경
김재한
류범종
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한국과학기술정보연구원
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Publication of WO2011074729A1 publication Critical patent/WO2011074729A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/30—Information retrieval; Database structures therefor; File system structures therefor of unstructured textual data
    • G06F16/36—Creation of semantic tools, e.g. ontology or thesauri
    • G06F16/367—Ontology

Definitions

  • the present invention relates to an ontology-based instance identification system and method thereof, and more particularly, in a process of converting data of a relational database management system (RDBMS) into an instance of a web ontology language (OWL) ontology.
  • RDBMS relational database management system
  • OWL web ontology language
  • the present invention relates to an ontology-based instance identification system and method for assigning unique identifiers (URIs) to data of a database management system to express relationships between instances.
  • URIs unique identifiers
  • the semantic web technology for solving the above problems expresses the meaning and association of words using ontologies, and extends the semantic relations through inference and expresses them with various services, thereby improving accessibility and user satisfaction. Is also contributing to.
  • the present invention converts data of a relational database management system (RDBMS) into an instance of Web Ontology Language (OWL) ontology, and generates an ontology instance with an identifier to provide accurate information. It is to provide an ontology-based instance identification system and method for improving the accessibility of information through finding or semantic inference.
  • RDBMS relational database management system
  • OWL Web Ontology Language
  • ontology register and ontology register which register ontology database of ontology database of class, attribute, and relationship between classes, ontology database, instance to be identified is entered.
  • the identification target instance is identified as the same instance as the existing instance by the controller, the identification identifier is assigned the same identifier assigned to the existing instance among the instances of the ontology registered in the ontology DB.
  • an ontology-based instance identification system comprising: an instance identifier granter for assigning a unique identifier
  • the ontology register of the ontology-based instance identification system registers an ontology consisting of class, attribute, and relationship information between classes in the ontology DB of the database.
  • the class-instance connector receives an input of an instance to be identified. Selecting and attaching a class to be allocated to the instance; Acquiring information necessary for identification of an instance to be identified by the reference and additional information obtaining unit; identifying an instance of an input identification object among instances of a registered ontology, and identifying an instance of an instance of a registered ontology If the instance is not identified, the instance identifier granter provides a unique identifier; to provide an ontology-based instance identification method comprising a.
  • the ontology-based instance identification system and method thereof generate an ontology instance with identifiers when converting data from a relational database management system (RDBMS) into an instance of a web ontology language (OWL) ontology. It is effective to improve the accessibility of information through finding information or semantic reasoning.
  • RDBMS relational database management system
  • OWL web ontology language
  • FIG. 1 is a diagram illustrating an OntoURI system for automatically generating RDBMS data as an ontology instance given a URI by using a mapping rule of a DB schema and an ontology schema and an identification rule defined to identify an instance.
  • FIG. 2 is a diagram illustrating a data conversion process using an OntoURI system.
  • FIG. 3 is a diagram illustrating an ontology-based instance identification system according to the present invention.
  • FIG. 4 is a diagram illustrating interdependence between instances in an ontology-based instance identification system according to the present invention
  • FIG. 5 is a flowchart illustrating an instance identification method by an ontology-based instance identification system according to the present invention.
  • an OntoURI system for automatically generating RDBMS data corresponding to a system higher than the present invention as an ontology instance given a URI will be briefly described.
  • FIG. 1 is a diagram illustrating an OntoURI system for automatically generating RDBMS data as an ontology instance given a URI by using a mapping rule of a DB schema and an ontology schema and an identification rule defined to identify an instance.
  • the OntoURI system supports a user interface for creating a DBMS- ontology mapping rule and transmits the generated rule to the server.
  • the rule editor 110 configures a server environment for linking external services and resources. Rules generated by the server management unit 120, the monitoring unit 130 to determine whether the DBMS data changes, the statistical unit 140 for providing statistical information on the progress or the created instance, the rule editing unit 110 Rule management unit 150 for managing the data, instance identification unit 160 for instance identification by applying to the instance identification rule, the scheduler 170 for registering and performing a schedule for the data conversion operation, mapping rules and DB monitoring results Instance generation unit 180 to create an instance using the DB, DB monitoring unit 190 and ontology to grasp the change of the DBMS to be converted It comprises a management information model (200) for storing and managing the schema instance.
  • a management information model 200
  • FIG. 2 is a diagram illustrating a data conversion process using an OntoURI system.
  • the data conversion process by the OntoURI system is composed of seven steps.
  • the seven-step data conversion process mentioned above is to set up the environment for inference engine, search engine, and other external services through the server environment setup, and the JDBC environment for DBMS interworking, and ontology schema registration.
  • Step 2 specifying the URI prefix and format for the server
  • step 3 registering the connection information of the target DB
  • step 4 creating the mapping rule and registering it with the URI server using the mapping rule editor, and authority data required for the instance identification rule.
  • the present invention normalizes data by using authority data and identification rules in the process of converting DB data into an ontology instance, and normalized data.
  • the above-described instance identification unit 600 and steps 4 and 5 in the data conversion process will be described.
  • FIG. 3 is a diagram illustrating an ontology-based instance identification system according to the present invention.
  • the ontology-based instance identification system includes an ontology register 300, a class-instance connector 400, a controller 500, a reference and additional information obtainer 600, and an instance identifier adder. 700 and the database unit 800.
  • the ontology register 300 registers an ontology consisting of classes, attributes, and relationship information between classes in the ontology DB 810 of the database unit 800.
  • the ontology registrar 300 may refer to the author or subject of the publisher referred to to assign a unique identifier to a single article. Register information and related information.
  • the class-instance connector 400 selects and connects a class to which an instance is assigned when an instance to be identified is input.
  • the reference and additional information obtainer 600 acquires information necessary for instance identification when the instance to be identified and the class of the instance are determined.
  • the control unit 500 has the information obtained by the reference and additional information acquirer 600, and identifies whether the input identification target instance exists among the ontology registered in the ontology DB 810.
  • the instance identifier assigning unit 700 gives the same identifier as the instance identified in the ontology DB 810, and identifies the object. If the instance does not exist because it does not exist in the ontology DB 810, a unique identifier is assigned to the input identification target instance.
  • the authority data referenced by the reference and additional information obtainer 600 is used to obtain representative values of the name organization publishers for the names actually represented in the academic information metadata as described in the table below.
  • the reference and additional information acquirer 600 is the international name corresponding to the institution name with the full name as the actual value of the instance to be identified.
  • the control unit 500 has the information obtained by the reference and additional information acquirer 600, and represents the actual value "International Business Machines Corporation” and the representative.
  • the value "IBM” is judged to be the same value and the identification of the entered instance is performed.
  • control unit 500 recognizes the actual value "MS” as an abbreviation of "MicroSoft” which is a specific institution and identifies the instance to be identified.
  • the actual value is treated as an instance with the same identifier as the identifier already assigned to the actual value, and if there is no representative value corresponding to the actual value, the actual value is identified as an instance.
  • the rule is applied to the existing instance to which the identifier is assigned, and if it is determined to be a new instance, the new identifier is given to the instance of ontology.
  • An academic paper ontology is composed of a class including a paper, an institution, a topic, an author, a source, and local information.
  • the information instance identification is identified in order from an instance of a class having low interdependence between classes, as shown in FIG.
  • FIG. 4 is a diagram illustrating interdependence between classes in an ontology-based instance identification system according to the present invention.
  • Only authority data is used for geographical name identification.
  • a unique identifier assigned to the city is selected by referring to the city name and the country name.
  • the present invention focuses on the author name identification, and various qualities are used to identify the author's name, such as the article written by the author, the institution of the author, the e-mail address of the author, the subject of the author's article, and the author's co-author information.
  • the class is the class to be identified
  • the qualities are the attributes used for identification
  • the classification is the description of how to apply the qualities to the instance
  • the match is the value match or the number of values matched
  • the order is the relation order
  • the source is the attribute
  • the sources and weights from which values can be obtained are the importance of each property.
  • the application order belonging to the division is an instance identification order, which prioritizes instance identification of a class with low dependence, and a reference value is a candidate group to which the same URI can be assigned when the values of specified qualities are the same.
  • a criterion for classification, a feature is a criterion to give the same URI as the existing instance when the attribute and threshold final weight of the instance exceeds the threshold value.
  • an match belonging to a match is a case where values match exactly, and a number is a number of values that match exactly.
  • the single belonging to the order is a case where only one attribute value exists, and the multiple is a case where two or more attribute values exist.
  • OntoURI When an administrator defines a rule for identifying instances on the OntoURI server and assigns a weight to each rule, OntoURI applies the rules defined to identify the instance during instance identification, and then adds a threshold with the sum of the final weights. The same URI or different URI will be allocated depending on whether or not it is exceeded.
  • the instance identification rule and the weight of each rule may be selected in consideration of the property value of the corresponding domain and the importance of each property.
  • the URI mapping information given through the identifier of the existing DB and OntoURI is used.
  • the ontology register 300 of the ontology-based instance identification system registers an ontology, which consists of class, attribute, and relationship information between classes, in the ontology DB 810 of the database unit 800 (S100).
  • the class-instance connector 400 selects and connects a class to be assigned to the instance (S200).
  • the reference and additional information obtainer 600 performs a step of obtaining information necessary for instance identification (S300).
  • the controller 500 selects an input identification instance among the registered ontology instances. Identifies a step (S400).
  • the instance granting unit 700 performs a step of assigning a unique identifier (S500) and is input from an instance of a registered ontology. If the identified instance is identified, a step of assigning the same identifier as that of the identified instance is performed.
  • S500 unique identifier
  • the present invention relates to an ontology-based instance identification system and a method thereof, wherein an instance to be identified in the process of converting data of a relational database management system (RDBMS) into an instance of a web ontology language (OWL) ontology Is entered, it identifies the existence of the instance to be identified to the instance of ontology already registered, and if the identified instance is identified, assigns the same identifier as the identified instance, and if it is not identified, assigns a new unique identifier. It is effective to find the correct information or improve the accessibility of information through semantic reasoning.
  • RDBMS relational database management system
  • OWL web ontology language

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Abstract

L'invention concerne un système et un procédé d'identification d'instance à base d'ontologie. La présente invention permet l'amélioration de l'accès aux données par l'une ou l'autre d'une amélioration d'informations ou d'une inférence sémantique en fournissant un identifiant de ressource uniforme (URI) aux données de système de gestion de base de données relationnelle (RDBMS) dans un processus de conversion des données de RDBMS en l'instance d'ontologie de langage d'ontologie Web (OWL).
PCT/KR2009/007593 2009-12-18 2009-12-18 Système et procédé d'identification d'instance à base d'ontologie WO2011074729A1 (fr)

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KR1020090126605A KR101081870B1 (ko) 2009-12-18 2009-12-18 온톨로지 기반 인스턴스 식별 시스템 및 그 방법
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KR102343285B1 (ko) * 2015-06-30 2021-12-28 한국전자통신연구원 맞춤형 서비스 제공 방법 및 장치
KR102142957B1 (ko) * 2018-08-24 2020-08-12 주식회사 리스트 기계주도 대화 서비스 방법 및 시스템

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080078147A (ko) * 2007-02-22 2008-08-27 한국전자통신연구원 온톨로지 구축을 위한 인스턴스 추출 장치 및 방법
KR20090025054A (ko) * 2007-09-05 2009-03-10 한국과학기술정보연구원 히스토리 기반 인스턴스 등록 시스템 및 그 방법
KR20090100425A (ko) * 2007-01-17 2009-09-23 인터내셔널 비지네스 머신즈 코포레이션 데이터베이스 관리 시스템에서 데이터 및 관련 온톨로지를 질의하는 방법, 장치 및 컴퓨터 프로그램 제품
KR20090112157A (ko) * 2008-04-23 2009-10-28 재단법인서울대학교산학협력재단 시맨틱 웹 자원의 랭킹처리방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090100425A (ko) * 2007-01-17 2009-09-23 인터내셔널 비지네스 머신즈 코포레이션 데이터베이스 관리 시스템에서 데이터 및 관련 온톨로지를 질의하는 방법, 장치 및 컴퓨터 프로그램 제품
KR20080078147A (ko) * 2007-02-22 2008-08-27 한국전자통신연구원 온톨로지 구축을 위한 인스턴스 추출 장치 및 방법
KR20090025054A (ko) * 2007-09-05 2009-03-10 한국과학기술정보연구원 히스토리 기반 인스턴스 등록 시스템 및 그 방법
KR20090112157A (ko) * 2008-04-23 2009-10-28 재단법인서울대학교산학협력재단 시맨틱 웹 자원의 랭킹처리방법

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