6974 search results - page 439 / 1395 » Querying Semi-Structured Data |
254
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CINQ
2004
Springer
15 years 11 months ago
2004
Springer
The conflict between resource consumption and query performance in the data mining context often has no satisfactory solution. This not only stands in sharp contrast to the need of...
236
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TKDE
2010
15 years 6 months ago
2010
—With the rapid development of various optical, infrared, and radar sensors and GPS techniques, there are a huge amount of multidimensional uncertain data collected and accumulat...
390
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Publication
This paper presents a framework for building and continuously maintaining spatio-temporal histograms (ST-Histograms, for short). ST-Histograms are used for selectivity estimation o...
217
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KDD
2006
ACM
16 years 8 months ago
2006
ACM
We investigate three methods for defining a session on Web search engines. We examine 2,465,145 interactions from 534,507 Web searchers. We compare defining sessions using: 1) Int...
229
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DEXAW
2009
IEEE
16 years 2 months ago
2009
IEEE
Abstract—Search context is a crucial factor that helps to understand a user’s information need in ad-hoc Web page retrieval. A query log of a search engine contains rich inform...