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» XML Query Processing and Optimization
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SIGMOD
2009
ACM
202views Database» more  SIGMOD 2009»
16 years 2 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
SEMWEB
2004
Springer
15 years 7 months ago
Top-k Query Evaluation for Schema-Based Peer-to-Peer Networks
Abstract. Increasing the number of peers in a peer-to-peer network usually increases the number of answers to a given query as well. While having more answers is nice in principle,...
Wolfgang Nejdl, Wolf Siberski, Uwe Thaden, Wolf-Ti...
SIGMOD
2010
ACM
209views Database» more  SIGMOD 2010»
15 years 6 months ago
ProgXe: progressive result generation framework for multi-criteria decision support queries
We demonstrate ProgXe, a practical approach to support MultiCriteria Decision Support (MCDS) applications that need to report results as they are being generated to enable the use...
Venkatesh Raghavan, Elke A. Rundensteiner
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