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» Runtime Optimization of Continuous Queries
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EDBTW
2006
Springer
15 years 5 months ago
Using Temporal Semantics for Live Media Stream Queries
Querying live media streams is a challenging problem that becomes an essential requirement in a growing number of applications. We address the problem of evaluating continuous quer...
Bin Liu, Amarnath Gupta, Ramesh Jain
JUCS
2008
124views more  JUCS 2008»
15 years 1 months ago
Query Transformation Based on Semantic Centrality in Semantic Social Network1
: Query transformation is a serious hurdle on semantic peer-to-peer environment. For interoperability between peers, queries sent from a source peer have to be efficiently transfor...
Jason J. Jung
SIGMOD
2009
ACM
202views Database» more  SIGMOD 2009»
16 years 1 months ago
ZStream: a cost-based query processor for adaptively detecting composite events
Composite (or Complex) event processing (CEP) systems search sequences of incoming events for occurrences of userspecified event patterns. Recently, they have gained more attentio...
Yuan Mei, Samuel Madden
POS
2000
Springer
15 years 5 months ago
A Framework for Persistence-Enabled Optimization of Java Object Stores
Abstract. Aggressive optimization of programs often relies on analysis and transformation that cuts across the natural abstraction boundaries of the source programming language, su...
David Whitlock, Antony L. Hosking
IAT
2010
IEEE
14 years 11 months ago
Selecting Operator Queries Using Expected Myopic Gain
When its human operator cannot continuously supervise (much less teleoperate) an agent, the agent should be able to recognize its limitations and ask for help when it risks making...
Robert Cohn, Michael Maxim, Edmund H. Durfee, Sati...