BibSonomyburst/user/diego_ma/ontology answer_extractionBibSonomy RSS feed for /user/diego_ma/ontology answer_extraction2012-02-17T16:56:02+01:00http://www.bibsonomy.org/bibtex/2a4b43bb88a05f61472a4ea0a66977d77/diego_madiego_ma2007-12-14T02:48:38+01:00answer_extraction ontology <span class="authorEditorList"><a href="/author/Zajac">Rémi Zajac</a> </span><em>Proc. ACL2001, Workshop on Open Domanin QA, </em><em>Toulouse, </em>(<em>2001</em>)Fri Dec 14 02:48:38 CET 2007ToulouseProc. ACL2001, Workshop on Open Domanin QATowards Ontological Question Answering2001answer_extraction ontology This paper presents and ontology-based semantic framework to question answering. Both questions and source text are parsed into underspecified semantic expressions where names of semantic atoms and predicates are defined in an interlingual ontology. Answer retrieval is done using subsumption and unification, and queries are expanded incrementally using ontological rules. Ranking of answers is achieved by using graded unification.