2050 search results - page 255 / 410 » Effectiveness of complex index terms in information retrieva... |
206
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DGO
2006
15 years 7 months ago
2006
Government agencies must often quickly organize and analyze large amounts of textual information, for example comments received as part of notice and comment rulemaking. Hierarchi...
175
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WSDM
2010
ACM
16 years 3 months ago
2010
ACM
Query reformulation techniques based on query logs have been studied as a method of capturing user intent and improving retrieval effectiveness. The evaluation of these techniques...
289
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
Estimating the selectivity of queries is a crucial problem in database systems. Virtually all database systems rely on the use of selectivity estimates to choose amongst the many ...
188
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WWW
2011
ACM
15 years 1 months ago
2011
ACM
Many textbooks written in emerging countries lack clear and adequate coverage of important concepts. We propose a technological solution for algorithmically identifying those sect...
183
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MM
2010
ACM
15 years 6 months ago
2010
ACM
Images can affect people on an emotional level. Since the emotions that arise in the viewer of an image are highly subjective, they are rarely indexed. However there are situation...