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CIKM
2005
Springer
15 years 12 months ago
QED: a novel quaternary encoding to completely avoid re-labeling in XML updates
The method of assigning labels to the nodes of the XML tree is called a labeling scheme. Based on the labels only, both ordered and un-ordered queries can be processed without acc...
Changqing Li, Tok Wang Ling
CIKM
2005
Springer
15 years 12 months ago
Selectivity-based partitioning: a divide-and-union paradigm for effective query optimization
Modern query optimizers select an efficient join ordering for a physical execution plan based essentially on the average join selectivity factors among the referenced tables. In ...
Neoklis Polyzotis
DAWAK
2005
Springer
15 years 12 months ago
Efficient Compression of Text Attributes of Data Warehouse Dimensions
This paper proposes the compression of data in Relational Database Management Systems (RDBMS) using existing text compression algorithms. Although the technique proposed is general...
Jorge Vieira, Jorge Bernardino, Henrique Madeira
MATES
2005
Springer
15 years 12 months ago
Semantic Methods for P2P Query Routing
Knowledge sharing in a virtual organization requires a knowledge life cycle including knowledge provisioning, terminology alignment, determination of resource location, query routi...
Alexander Löser, Steffen Staab, Christoph Tem...
SIGIR
2003
ACM
15 years 11 months ago
Distributed Web Search as a Stochastic Game
Distributed search systems are an emerging phenomenon in Web search, in which independent topic-specific search engines provide search services, and metasearchers distribute user...
Rinat Khoussainov, Nicholas Kushmerick