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» Query Optimization in an OODBMS
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SIGMOD
2005
ACM
146views Database» more  SIGMOD 2005»
16 years 4 months ago
Predicate Result Range Caching for Continuous Queries
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...
Matthew Denny, Michael J. Franklin
SIGIR
2009
ACM
15 years 11 months ago
An improved markov random field model for supporting verbose queries
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 ...
Matthew Lease
ISCC
2008
IEEE
105views Communications» more  ISCC 2008»
15 years 11 months ago
VoRaQue: Range queries on Voronoi overlays
—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 ...
Michele Albano, Laura Ricci, Martina Baldanzi, Ran...
SIGMOD
1999
ACM
101views Database» more  SIGMOD 1999»
15 years 8 months ago
Join Synopses for Approximate Query Answering
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....
Swarup Acharya, Phillip B. Gibbons, Viswanath Poos...
EDBT
2010
ACM
185views Database» more  EDBT 2010»
15 years 6 months ago
BP-Ex: a uniform query engine for business process execution traces
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 ...
Eran Balan, Tova Milo, Tal Sterenzy