Mapping Method from Object-relational Database to RDF（S）

With the development of intelligent information technology, knowledge graph has been widely used in intelligent search and other research area.The information in the knowledge map is generally represented by the data model of RDF（S）.The construction of knowledge graph needs to extract information fr...

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Vydané v:Ji suan ji ke xue Ročník 48; číslo 10; s. 145 - 151
Hlavní autori: Lu, Jia-wen, Yan, Li
Médium: Journal Article
Jazyk:Chinese
Vydavateľské údaje: Chongqing Guojia Kexue Jishu Bu 01.10.2021
Editorial office of Computer Science
Predmet:
Data sources
Knowledge representation
Mapping
object-relational database|rdf(s)|information extraction|postgresql
Product testing
Relational data bases
Semantics
ISSN:1002-137X
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Abstract With the development of intelligent information technology, knowledge graph has been widely used in intelligent search and other research area.The information in the knowledge map is generally represented by the data model of RDF（S）.The construction of knowledge graph needs to extract information from different data sources and database is an important data source that cannot be ignored.Nowadays, object-relational databases are widely used and contain rich semantic information, but research on constructing RDF（S） from object-relational databases is few.This paper puts forward formal definitions of object-relational databases and RDF（S） data and proposes mapping rules for constructing RDF（S） data from object-relational databases.The mapping rules not only consider the object-oriented semantics of the database, but also consider constraints, which can fully extract semantic information contained in the database.Finally, a mapping tool named ORDB2 RDF is implemented to verify the correctness of the mapping rules
AbstractList With the development of intelligent information technology,knowledge graph has been widely used in intelligent search and other research area.The information in the knowledge map is generally represented by the data model of RDF(S).The construction of knowledge graph needs to extract information from different data sources and database is an important data source that cannot be ignored.Nowadays,object-relational databases are widely used and contain rich semantic information,but research on constructing RDF(S) from object-relational databases is few.This paper puts forward formal definitions of object-relational databases and RDF(S) data and proposes mapping rules for constructing RDF(S) data from object-relational databases.The mapping rules not only consider the object-oriented semantics of the database,but also consider constraints,which can fully extract semantic information contained in the database.Finally,a mapping tool named ORDB2RDF is implemented to verify the correctness of the mapping rules and th
With the development of intelligent information technology, knowledge graph has been widely used in intelligent search and other research area.The information in the knowledge map is generally represented by the data model of RDF（S）.The construction of knowledge graph needs to extract information from different data sources and database is an important data source that cannot be ignored.Nowadays, object-relational databases are widely used and contain rich semantic information, but research on constructing RDF（S） from object-relational databases is few.This paper puts forward formal definitions of object-relational databases and RDF（S） data and proposes mapping rules for constructing RDF（S） data from object-relational databases.The mapping rules not only consider the object-oriented semantics of the database, but also consider constraints, which can fully extract semantic information contained in the database.Finally, a mapping tool named ORDB2 RDF is implemented to verify the correctness of the mapping rules
Author Yan, Li
Lu, Jia-wen
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With the development of intelligent information technology,knowledge graph has been widely used in intelligent search and other research area.The information...
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SubjectTerms Data sources
Knowledge representation
Mapping
object-relational database|rdf(s)|information extraction|postgresql
Product testing
Relational data bases
Semantics
Title Mapping Method from Object-relational Database to RDF（S）
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