2217 search results - page 154 / 444 » Rank-aware Query Optimization |
260
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VLDB
2007
ACM
16 years 6 months ago
2007
ACM
Research in modeling and querying spatial data has primarily focused on traditional "crisp" spatial objects with exact location and spatial extent. More recent work, how...
256
Voted
SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
Many analysis and monitoring applications require the repeated execution of expensive modeling functions over streams of rapidly changing data. These applications can often be exp...
165
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SIGIR
2009
ACM
16 years 26 days ago
2009
ACM
Recent work in supervised learning of term-based retrieval models has shown significantly improved accuracy can often be achieved via better model estimation [2, 10, 11, 17]. In ...
189
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ISCC
2008
IEEE
16 years 22 days ago
2008
IEEE
—This paper presents VoRaQue, a software layer supporting range queries on Voronoi P2P overlays. VoRaQue maps data in a 2-dimensional space. The P2P overlay is defined by links ...
166
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SIGMOD
1999
ACM
15 years 10 months ago
1999
ACM
In large data warehousing environments, it is often advantageous to provide fast, approximate answers to complex aggregate queries based on statistical summaries of the full data....