3HENDLER J.Ontologies on the semantic Web[J].IEEE Intelligent Systems,2002,17(2):73-74.
4STOJANOVIC L,STOJANOVIC N,VOLZ R.Migrating data-intensive Web sites into the semantic Web[A].In:Proc of the 17th ACM Symposium on Applied Computing[C].New York:ACM Press,2002.1100-1107.
5HANDSCHUH S,STAAB S,VOLZ R.Annotation for the deep Web[J].IEEE Intelligent Systems,2003,18(5):42-48.
6MORENO N,NAVAS I,ALDANA J F.Putting the semantic Web to work with DB technology[J].IEEE Data Engineering Bulletin,2003,26(4):49-54.
7SILBERSCHATZ A,KORTH H F,SUDARSHAN S.Database system concepts[M].Fourth Edition.New York:McGraw-Hill Companies,2002.921-1006.
8TURKER C,GERTZ M.Semantic integrity support in SQL:1999 and commercial (Object-)relational Database management systems[J].The VLDB Journal,2001,10(4):241-269.