2771 search results - page 154 / 555 » Locality of Queries and Transformations |
141
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WCE
2007
15 years 7 months ago
2007
–—Wavelet expansions and wavelet transforms have proven to be very efficient and effective in analyzing a very wide class of signals and phenomena. Wavelet expansion allows a m...
181
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DGCI
2008
Springer
15 years 8 months ago
2008
Springer
Abstract. We recently introduced the watershed cuts, a notion of watershed in edge-weighted graphs. In this paper, we propose a new thinning paradigm to compute them. More precisel...
271
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ICDE
2008
IEEE
16 years 7 months ago
2008
IEEE
Supporting top-k queries over distributed collections of schemaless XML data poses two challenges. While XML supports expressive query languages such as XPath and XQuery, these la...
276
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
XML is the data interoperability standard in many application domains. Therefore, an increasing number of researchers and professionals, who are not computer scientists (although ...
153
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VLDB
2004
ACM
15 years 11 months ago
2004
ACM
We introduce an auditing framework for determining whether a database system is adhering to its data disclosure policies. Users formulate audit expressions to specify the (sensiti...