Ontology Based Query Processing in Database Management Systems. - Chokri Ben Necib; Johann Christoph Freytag (OTM, 2003)

Using Ontologies for Database Query Reformulation. - Chokri Ben Necib; Johann Christoph Freytag (ADBIS (Local Proceedings), 2004)

Query Processing Using Ontologies. - Chokri Ben Necib; Johann Christoph Freytag (CAiSE, 2005)

Semantic Query Transformation Using Ontologies. - Chokri Ben Necib; Johann Christoph Freytag (IDEAS, 2005)

Ontology based semantic query processing in database systems. - Chokri Ben Necib (2007)