db/journals/dpd/CastanoA99.html Silvana Castano Valeria De Antonellis A Discovery-Based Approach to Database Ontology Design. 67-98 1999 7 Distributed and Parallel Databases 1 db/journals/dpd/dpd7.html#CastanoA99 http://kapis.www.wkap.nl/oasis.htm/186512 DPD/7/P067.pdf