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» Querying Databases with Taxonomies

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VLDB
1991
ACM

145views Database» more VLDB 1991»

A Taxonomy and Performance Model of Data Skew Effects in Parallel Joins

15 years 3 months ago

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Recent work on parallel joins and data skew has concentrated on algorithm design without considering the causes and chara.cteristics of data. skew itself. Existming ana.lyt,ic mod...

Christopher B. Walton, Alfred G. Dale, Roy M. Jene...

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ADBIS
2008
Springer

98views Database» more ADBIS 2008»

Grouping Web Users based on Query Log

15 years 6 months ago

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Julia Kiseleva

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ICDT
2007
ACM

96views Database» more ICDT 2007»

The Limits of Querying Ontologies

15 years 5 months ago

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Riccardo Rosati

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DASFAA
2006
IEEE

99views Database» more DASFAA 2006»

Containment of Conjunctive Queries over Conceptual Schemata

15 years 5 months ago

Download www.inf.unibz.it

Andrea Calì

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ICDT
2005
ACM

116views Database» more ICDT 2005»

Conjunctive Query Evaluation by Search Tree Revisited

15 years 5 months ago

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