541 search results - page 88 / 109 » Query Strategies for Priced Information |
131
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ICAI
2004
15 years 3 months ago
2004
In the age of electronic commerce, with low-cost information access, it has been recognized that a bundle search in a combinatorial trade is very valuable for buyers. Optimal trav...
125
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CORR
2008
Springer
15 years 1 months ago
2008
Springer
In this paper, we propose a general cross-layer optimization framework in which we explicitly consider both the heterogeneous and dynamically changing characteristics of delay-sens...
106
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CIKM
2003
Springer
15 years 7 months ago
2003
Springer
We present a strategy for answering fact-based natural language questions that is guided by a characterization of realworld user queries. Our approach, implemented in a system cal...
210
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ICDE
2004
IEEE
16 years 3 months ago
2004
IEEE
In the emerging area of sensor-based systems, a significant challenge is to develop scalable, fault-tolerant methods to extract useful information from the data the sensors collec...
112
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PODS
2006
ACM
16 years 1 months ago
2006
ACM
B-trees are the data structure of choice for maintaining searchable data on disk. However, B-trees perform suboptimally ? when keys are long or of variable length, ? when keys are...