1950 search results - page 206 / 390 » Informative sampling for large unbalanced data sets |
238
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ICDE
2001
IEEE
16 years 5 months ago
2001
IEEE
Spatial Joins are important and time consuming operations in spatial database management systems. It is crucial to be able to accurately estimate the performance of these operatio...
147
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AINA
2006
IEEE
15 years 10 months ago
2006
IEEE
Abstract— Wireless sensor networks, by providing an unprecedented way of interacting with the physical environment, have become a hot topic for research over the last few years. ...
131
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DEXA
2009
Springer
15 years 10 months ago
2009
Springer
Semantic Web technologies facilitate data integration over a large number of sources with decentralised and loose coordination, ideally leading to interlinked datasets which descri...
141
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ADBIS
2000
Springer
15 years 7 months ago
2000
Springer
Research in spatio-temporal databases has largely focused on extensions of access methods for the proper handling of time changing spatial information. In this paper, we present th...
149
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
Top-k queries on large multi-attribute data sets are fundamental operations in information retrieval and ranking applications. In this paper, we initiate research on the anytime b...