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» Query Processing and Optimization for Pictorial Query Trees
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BDA
2000
14 years 8 days ago
Integrating Keyword Search into XML Query Processing
Due to the popularity of the XML data format, several query languages for XML have been proposed, specially devised to handle data whose structure is unknown, loose, or absent. Wh...
Daniela Florescu, Donald Kossmann, Ioana Manolescu
CIKM
2005
Springer
14 years 4 months ago
Localized routing trees for query processing in sensor networks
In this paper, we propose a novel energy-efficient approach, a localized routing tree (LRT) coupled with a route redirection (RR) strategy, to support various types of queries. LR...
Jie Lian, Lei Chen 0002, Kshirasagar Naik, M. Tame...
CORR
2008
Springer
74views Education» more  CORR 2008»
13 years 11 months ago
Biased Range Trees
A data structure, called a biased range tree, is presented that preprocesses a set S of n points in R2 and a query distribution D for 2-sided orthogonal range counting queries. The...
Vida Dujmovic, John Howat, Pat Morin
SEMWEB
2010
Springer
13 years 8 months ago
Using Reformulation Trees to Optimize Queries over Distributed Heterogeneous Sources
Abstract. In order to effectively and quickly answer queries in environments with distributed RDF/OWL, we present a query optimization algorithm to identify the potentially relevan...
Yingjie Li, Jeff Heflin
JACIII
2006
33views more  JACIII 2006»
13 years 11 months ago
Efficient Processing of XML Tree Pattern Queries
Yangjun Chen, Dunren Che