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Advanced RDB-to-RDF/OWL Mapping Facilities in RDB2OWL

机译:RDB2OWL中的高级RDB到RDF / OWL映射工具

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We present advanced features of RDB2OWL mapping specification language that allows expressing RDB-to-RDF/OWL mappings in a concise and human comprehensible way. The RDB2OWL mappings can be regarded as documentation of the database-to-ontology relation. The RDB2OWL language uses the OWL ontology structure as a backbone for mapping specification by placing the database link information into the annotations for ontology classes and properties. Its features include reuse of database table key information, user defined scalar and aggregate functions, table-based functions and multiclass conceptualization that is essential to keep mappings compact in case when large tables are mapped onto several classes on the table field value existence basis.
机译:我们介绍了RDB2OWL映射规范语言的高级功能,该功能允许以简明易懂的方式表达RDB到RDF / OWL的映射。 RDB2OWL映射可以视为数据库到本体关系的文档。 RDB2OWL语言通过将数据库链接信息放入本体类和属性的注释中,将OWL本体结构用作映射规范的主干。它的功能包括数据库表键信息的重用,用户定义的标量和聚合函数,基于表的函数以及多类概念化,这对于在表字段值存在的基础上将大表映射到多个类的情况下,保持映射紧凑至关重要。

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