765 search results - page 47 / 153 » Query Processing over Incomplete Autonomous Databases |
PODS
2008
ACM
15 years 10 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...
PODS
2005
ACM
15 years 10 months ago
2005
ACM
The traditional statistical assumption for interpreting histograms and justifying approximate query processing methods based on them is that all elements in a bucket have the same...
111
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WEBDB
2004
Springer
15 years 3 months ago
2004
Springer
Current approaches for answering queries with imprecise constraints require users to provide distance metrics and importance measures for attributes of interest. In this paper we ...
160
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
We introduce Pulse, a framework for processing continuous queries over models of continuous-time data, which can compactly and accurately represent many real-world activities and p...
198
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ICDE
2008
IEEE
15 years 11 months ago
2008
IEEE
Digital videos are increasingly adopted in various multimedia applications where they are usually broadcasted or transmitted as video streams. Continuously monitoring copies on the...