Semantic Query for Relational Databases

摘要: A vast amount of data in legacy systems is stored relational databases. For the Semantic Web vision to become a reality, it necessary provide ways for representation these allow software agents process intelligently. This paper presents an approach semantic query databases by establishing layer. Firstly, this starts extracting schema ontology from and generating mapping information between them. Secondly, user issues against Finally results are wrapped format resource description framework. Furthermore, instances conversion dynamically transformed on user’s demand. will enable proliferation applications simply build infrastructure benefit has been proven be effective case study.