404 search results - page 9 / 81 » Ontology-Based Spatial Query Expansion in Information Retrie... |
IIR
2010
14 years 11 months ago
2010
This paper presents a vector space model approach, for representing documents and queries, using concepts instead of terms and WordNet as a light ontology. This way, information o...
TREC
2004
14 years 11 months ago
2004
In the domain of biomedical publications, synonyms and homonyms are omnipresent and pose a great challenge for document retrieval systems. For this year's TREC Genomics Ad ho...
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IR
2010
14 years 7 months ago
2010
The retrieval of sentences that are relevant to a given information need is a challenging passage retrieval task. In this context, the well-known vocabulary mismatch problem arises...
TREC
2007
14 years 11 months ago
2007
In TREC Genomics a question/answering task has been proposed. A set of questions with a specific entity of interest is proposed and a set of passages from a collection of full te...
ICTAI
2003
IEEE
15 years 3 months ago
2003
IEEE
We investigate two seemingly incompatible approaches for improving document retrieval performance in the context of question answering: query expansion and query reduction. Querie...