9414 search results - page 1540 / 1883 » Adaptive Query Processing |
191
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VLDB
1997
ACM
15 years 11 months ago
1997
ACM
Query optimizers that explore a search space exhaustively using transformation rules usually apply all possible rules on each alternative, and stop when no new information is prod...
241
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PODS
1994
ACM
15 years 11 months ago
1994
ACM
Traditionally, computational complexity has considered only static problems. Classical Complexity Classes such as NC, P, and NP are de ned in terms of the complexity of checking {...
209
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SIGIR
2010
ACM
15 years 11 months ago
2010
ACM
The context of a search query often provides a search engine meaningful hints for answering the current query better. Previous studies on context-aware search were either focused ...
221
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CIKM
2006
Springer
15 years 11 months ago
2006
Springer
Familiar evaluation methodologies for information retrieval (IR) are not well suited to the task of comparing systems in many real settings. These systems and evaluation methods m...
237
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CIKM
2006
Springer
15 years 11 months ago
2006
Springer
We propose an In-Network Data-Centric Storage (INDCS) scheme for answering ad-hoc queries in sensor networks. Previously proposed In-Network Storage (INS) schemes suffered from St...