2342 search results - page 155 / 469 » Information Needs and Automatic Queries |
183
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SIGMOD
2003
ACM
16 years 7 months ago
2003
ACM
A query optimizer compares alternative plans in its search space to find the best plan for a given query. Depending on the search space and the enumeration algorithm, optimizers v...
178
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JSS
2011
14 years 9 months ago
2011
Location-based services have attracted the attention of important research in the field of mobile computing. Specifically, different mechanisms have been proposed to process loc...
203
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LREC
2010
15 years 8 months ago
2010
The Text Analysis Conference (TAC) is a series of Natural Language Processing evaluation workshops organized by the National Institute of Standards and Technology. The Knowledge B...
164
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CLEF
2008
Springer
15 years 8 months ago
2008
Springer
In this paper, we assess the impact of using thesaurus-based query expansion methods, at the Information Retrieval (IR) stage of a Question Answering (QA) system. We focus on expan...
267
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ICDT
2009
ACM
16 years 7 months ago
2009
ACM
The need to manage diverse information sources has triggered the rise of very loosely structured data models, known as "dataspace models." Such information management sy...