avigdor gal vomewxietechnionacil technion ontobuilder group pleased announce ontobuilder ver 20 ontobuilder research prototype schema matching using ontological constructs ontobuilder two main components ontox extracts schemata web forms represents ontologies ontom receives inout two ontobuilder schemata produces output mapping ontom flexible framework new matching heuristics easily added ontobuilder available download via ontobuilder site technion httpietechnionacilontobuilder new features ontobuilder ver 20 include 1 better rendering web forms ease extraction 2 onto2rdf mechanism translating ontobuilder ontologies rdf requires net 3 light ontology schema representation 4 topk mappings ranked list topk mappings ranked decreasing order similarity 5 new wellknown algorithms including ngrams similarity flooding addition ontobuilder site offers 100 ontologies collected various web forms related publications utilities exact mapping generator ontobuilder team available service hgbkdnqngpcietechnionacil assisting installing using tool tool used successfuly courses technion illustrating various aspects schema matching research also serves graduate students research activities thu 07 aug 2008 081821 0300 uai technions ontobuilder ver 20 available