2853 search results - page 44 / 571 » On the Efficiency of Provenance Queries |
175
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
Skyline query processing has received considerable attention in the recent past. Mainly, the skyline query is used to find a set of non dominated data points in a multidimensional...
DEXA
2005
Springer
15 years 3 months ago
2005
Springer
Finding all the occurrences of a twig pattern in an XML database is a core operation for efficient evaluation of XML queries. Holistic twig join algorithm has showed its superiorit...
153
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ICDE
2002
IEEE
15 years 11 months ago
2002
IEEE
The ability to provide accurate and efficient result estimations of user queries is very important for the query optimizer in database systems. In this paper, we show that the tra...
VLDB
2002
ACM
14 years 9 months ago
2002
ACM
Query optimization is a computationally intensive process, especially for complex queries. We present here a tool, called PLASTIC, that can be used by query optimizers to amortize...
BTW
2007
Springer
15 years 1 months ago
2007
Springer
: The availability of versioned text collections such as the Internet Archive opens up opportunities for time-aware exploration of their contents. In this paper, we propose time-tr...