A Semantics Based Interactive Query Formulation Technique. - David Baer; Paul Groenewoud; Epaminondas Kapetanios; S. Keuser (UIDIS, 2001)

Query Construction through Meaningful Suggestions of Terms. - Epaminondas Kapetanios; Paul Groenewoud (FQAS, 2002)

The Design and Implementation of a Meaning Driven Data Query Language. - Epaminondas Kapetanios; David Baer; Paul Groenewoud; P. Mueller (SSDBM, 2002)

MDDQL-Stat: Data Querying and Analysis through Integration of Intentional and Extensional Semantics. - Epaminondas Kapetanios; David Baer; Björn Glaus; Paul Groenewoud (SSDBM, 2004)

Simplifying syntactic and semantic parsing of NL-based queries in advanced application domains. - Epaminondas Kapetanios; David Baer; Paul Groenewoud (Data Knowl. Eng., 2005)