Semantic Web Technologies and Data Management
Semantic Web Technologies and Data Management
复制标题
语义网技术和数据管理
DOI:
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发表时间:
2007
期刊:
影响因子:
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通讯作者:
A. Ranganathan
中科院分区:
文献类型:
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作者:
Li Ma;Jing Mei;Yue Pan;K. Kulkarni;Achille Fokoue;A. Ranganathan
The Semantic Web aims to build a common framework that allows data to be shared and reused across applications, enterprises, and community boundaries. It proposes to use RDF as a flexible data model and use ontology to represent data semantics. Currently, relational models and XML tree models are widely used to represent structured and semi-structured data. But they offer limited means to capture the semantics of data. An XML Schema defines a syntax-valid XML document and has no formal semantics, and an ER model can capture data semantics well but it is hard for end-users to use them when the ER model is transformed into a physical database model on which user queries are evaluated. RDFS and OWL ontologies can effectively capture data semantics and enable semantic query and matching, as well as efficient data integration. The following example illustrates the unique value of semantic web technologies for data management.