2987 search results - page 357 / 598 » Multiobjective Query Optimization |
120
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SIGIR
2009
ACM
15 years 8 months 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 ...
130
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ISCC
2008
IEEE
15 years 8 months 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 ...
112
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SIGMOD
1999
ACM
15 years 6 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....
123
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EDBT
2010
ACM
15 years 4 months ago
2010
ACM
Many enterprises nowadays use business processes, based on the BPEL standard, to achieve their goals. Analyzing the execution of such processes is critical for enforcing business ...
110
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SEBD
2008
15 years 3 months ago
2008
d Abstract) Daniele Braga1 , Diego Calvanese2 , Alessandro Campi1 , Stefano Ceri1 , Florian Daniel1 , Davide Martinenghi1 , Paolo Merialdo3 , Riccardo Torlone3 1 Dip. di Elettronic...