2063 search results - page 169 / 413 » Containment of Aggregate Queries |
151
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DASFAA
2008
IEEE
15 years 11 months ago
2008
IEEE
In this paper we propose a distributed meta-index using a peer-to-peer protocol to allow spatio-temporal queries of moving objects on a large set of distributed database servers. W...
166
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SIBGRAPI
2008
IEEE
15 years 11 months ago
2008
IEEE
This paper presents a new relevance feedback method for content-based image retrieval using local image features. This method adopts a genetic programming approach to learn user p...
138
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SEMWEB
2007
Springer
15 years 10 months ago
2007
Springer
Abstract. The WSMO-MX matchmaker applies different matching filters to retrieve WSMO-oriented service descriptions that are semantically relevant to a given query with respect to...
134
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
For a large number of data management problems, it would be very useful to be able to obtain a few samples from a data set, and to use the samples to guess the largest (or smalles...
127
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DAWAK
2003
Springer
15 years 10 months ago
2003
Springer
Data Warehouses provide sophisticated tools for analyzing complex data online, in particular by aggregating data along dimensions spanned by master data. Changes to these master da...