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» Optimizing Path Expression Queries of XML Data
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VLDB
2007
ACM
147views Database» more  VLDB 2007»
16 years 3 months ago
A General Framework for Modeling and Processing Optimization Queries
An optimization query asks for one or more data objects that maximize or minimize some function over the data set. We propose a general class of queries, model-based optimization ...
Michael Gibas, Ning Zheng, Hakan Ferhatosmanoglu
CATA
2003
15 years 4 months ago
Query Processing the Heterogeneous Information Sources using Ontology-based Approach
The problems of accessing and integrating heterogeneous information sources are becoming centerstage problems. One problem arising from accessing heterogeneous sources is semantic...
Ngamnij Arch-int, Yuefeng Li, Paul Roe, Peraphon S...
DBISP2P
2003
Springer
100views Database» more  DBISP2P 2003»
15 years 8 months ago
Content-Based Overlay Networks for XML Peers Based on Multi-level Bloom Filters
Peer-to-peer systems are gaining popularity as a means to effectively share huge, massively distributed data collections. In this paper, we consider XML peers, that is, peers that ...
Georgia Koloniari, Yannis Petrakis, Evaggelia Pito...
VLDB
1997
ACM
117views Database» more  VLDB 1997»
15 years 7 months ago
Optimizing Queries Across Diverse Data Sources
Businesses today need to interrelate data stored in diverse systems with differing capabilities, ideally via a single high-level query interface. We present the design of a query ...
Laura M. Haas, Donald Kossmann, Edward L. Wimmers,...
ICDE
2005
IEEE
121views Database» more  ICDE 2005»
16 years 4 months ago
Full-fledged Algebraic XPath Processing in Natix
We present the first complete translation of XPath into an algebra, paving the way for a comprehensive, state-of-theart XPath (and later on, XQuery) compiler based on algebraic op...
Matthias Brantner, Sven Helmer, Carl-Christian Kan...