3225 search results - page 542 / 645 » Query Optimization by Stored Queries |
134
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CIKM
2010
Springer
15 years 2 months ago
2010
Springer
Term-weighting functions derived from various models of retrieval aim to model human notions of relevance more accurately. However, there is a lack of analysis of the sources of e...
148
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SSDBM
2010
IEEE
15 years 1 months ago
2010
IEEE
Graphs are prevailingly used in many applications to model complex data structures. In this paper, we study the problem of supergraph containment search. To avoid the NP-complete s...
165
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CORR
2010
Springer
15 years 1 months ago
2010
Springer
Abstract. CAT(0) metric spaces constitute a far-reaching common generalization of Euclidean and hyperbolic spaces and simple polygons: any two points x and y of a CAT(0) metric spa...
167
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WSDM
2012
ACM
13 years 11 months ago
2012
ACM
We present a new approach for personalizing Web search results to a specific user. Ranking functions for Web search engines are typically trained by machine learning algorithms u...
272
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ICDE
2006
IEEE
16 years 5 months ago
2006
IEEE
Wireless sensor networks are proving to be useful in a variety of settings. A core challenge in these networks is to minimize energy consumption. Prior database research has propo...