2607 search results - page 227 / 522 » An Ontology-Based Information Retrieval Model |
177
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KCAP
2005
ACM
16 years 5 days ago
2005
ACM
In this document, we describe a light-weighted ontology mediation method that allows users to send semantic queries to distant data repositories to browse for learning object meta...
183
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SIGIR
2003
ACM
15 years 12 months ago
2003
ACM
Thesaurus has been widely used in many applications, including information retrieval, natural language processing, and question answering. In this paper, we propose a novel approa...
166
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CIKM
2009
Springer
15 years 10 months ago
2009
Springer
The nDCG measure has proven to be a popular measure of retrieval effectiveness utilizing graded relevance judgments. However, a number of different instantiations of nDCG exist, d...
171
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AMT
2006
Springer
15 years 10 months ago
2006
Springer
In traditional Information Retrieval (IR), user profiles are often represented by keyword/concepts space vectors or by some predefined categories. Unfortunately, this data is often...
181
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IDEAS
2003
IEEE
15 years 12 months ago
2003
IEEE
In recent years, a lot of research effort has been dedicated to the management of Quality of Service (QoS), mainly in the fields of telecommunication networks and multimedia syste...