2607 search results - page 198 / 522 » An Ontology-Based Information Retrieval Model |
184
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IADIS
2003
15 years 8 months ago
2003
Avionics data at the National Aeronautics and Space Administration’s (NASA) Jet Propulsion Laboratory (JPL) consists of distributed, unmanaged, and heterogeneous information tha...
165
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DGO
2008
15 years 8 months ago
2008
Crisis Management and Disaster Recovery have gained immense importance in the wake of recent man and nature inflicted calamities such as the terrorist attacks of September 11th 20...
266
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GIS
2008
ACM
16 years 7 months ago
2008
ACM
In this paper, we describe a methodology to estimate the geographic coverage of the web without the need for secondary knowledge or complex geo-tagging. This is achieved by random...
197
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SIGIR
2004
ACM
16 years 3 hour ago
2004
ACM
In this paper, we describe research which could lead to a novel approach to gathering an overview of a document in a foreign language. The research explores how much of the meanin...
168
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CIKM
2008
Springer
15 years 8 months ago
2008
Springer
Inverse document frequency (IDF) is one of the most useful and widely used concepts in information retrieval. There have been various attempts to provide theoretical justification...