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» Query Processing and Optimization for Pictorial Query Trees
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VLDB
2007
ACM
169views Database» more  VLDB 2007»
16 years 1 months ago
Staying FIT: Efficient Load Shedding Techniques for Distributed Stream Processing
In distributed stream processing environments, large numbers of continuous queries are distributed onto multiple servers. When one or more of these servers become overloaded due t...
Nesime Tatbul, Stanley B. Zdonik, Ugur Çeti...
WWW
2008
ACM
16 years 2 months ago
Utility-driven load shedding for xml stream processing
Because of the high volume and unpredictable arrival rate, stream processing systems may not always be able to keep up with the input data streams-- resulting in buffer overflow a...
Mingzhu Wei, Elke A. Rundensteiner, Murali Mani
SSDBM
2006
IEEE
197views Database» more  SSDBM 2006»
15 years 7 months ago
InterJoin: Exploiting Indexes and Materialized Views in XPath Evaluation
XML has become the standard for data exchange for a wide variety of applications, particularly in the scientific community. In order to efficiently process queries on XML repres...
Derek Phillips, Ning Zhang 0002, Ihab F. Ilyas, M....
PODS
2007
ACM
159views Database» more  PODS 2007»
16 years 1 months ago
Generalized hypertree decompositions: np-hardness and tractable variants
The generalized hypertree width GHW(H) of a hypergraph H is a measure of its cyclicity. Classes of conjunctive queries or constraint satisfaction problems whose associated hypergr...
Georg Gottlob, Thomas Schwentick, Zoltán Mi...
IPTPS
2005
Springer
15 years 7 months ago
Brushwood: Distributed Trees in Peer-to-Peer Systems
There is an increasing demand for locality-preserving distribution of complex data structures in peer-to-peer systems. Current systems either do not preserve object locality or su...
Chi Zhang, Arvind Krishnamurthy, Randolph Y. Wang