620 search results - page 49 / 124 » Algorithms for Rewriting Aggregate Queries Using Views |
106
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ATAL
2007
Springer
15 years 10 months ago
2007
Springer
Voting is a general method for aggregating the preferences of multiple agents. Each agent ranks all the possible alternatives, and based on this, an aggregate ranking of the alter...
258
Voted
ICDE
2006
IEEE
16 years 5 months ago
2006
IEEE
We study the problem of continuous relational query processing in Internet-scale overlay networks realized by distributed hash tables. We concentrate on the case of continuous two...
127
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VLDB
2005
ACM
15 years 9 months ago
2005
ACM
The interaction between recursion in XPATH and recursion in DTDs makes it challenging to answer XPATH queries on XML data that is stored in an RDBMS via schema-based shredding. We...
228
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ICDE
2007
IEEE
16 years 5 months ago
2007
IEEE
To address the needs of data intensive XML applications, a number of efficient tree pattern algorithms have been proposed. Still, most XQuery compilers do not support those algori...
121
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VRCAI
2004
ACM
15 years 9 months ago
2004
ACM
Collision detection is required by most virtual reality (VR) applications, and in recent years, collision detection algorithms utilizing graphics hardware capabilities have been a...