2853 search results - page 200 / 571 » On the Efficiency of Provenance Queries |
307
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
Abstract-- Skyline computation has many applications including multi-criteria decision making. In this paper, we study the problem of efficient processing of continuous skyline que...
175
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WWW
2009
ACM
16 years 7 months ago
2009
ACM
In a traditional keyword-search system in XML data, a user composes a keyword query, submits it to the system, and retrieves relevant subtrees. In the case where the user has limi...
178
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EDBT
2002
ACM
16 years 6 months ago
2002
ACM
Abstract. This work addresses the problem of querying moving objects databases. which capture the inherent uncertainty associated with the location of moving point objects. We addr...
150
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DCC
2007
IEEE
16 years 6 months ago
2007
IEEE
Data synopsis is a lossy compressed representation of data stored into databases that helps the query optimizer to speed up the query process, e.g. time to retrieve the data from ...
200
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COMAD
2008
15 years 8 months ago
2008
Answering aggregate queries like sum, count, min, max over regions containing moving objects is often needed for virtual world applications, real-time monitoring systems, etc. Sin...