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» Practical Extensions to the IFDS Algorithm
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BDA
2004
13 years 10 months ago
Tree Graph Views: On Efficient Evaluation of XQuery in an XML Mediator
XQuery is the emerging standard for querying XML data sources. XLive is a light XML/XQuery mediator developed at University of Versailles whose engine processes an XML algebra der...
Tuyet-Tram Dang-Ngoc, Georges Gardarin, Nicolas Tr...
FIMI
2003
95views Data Mining» more  FIMI 2003»
13 years 10 months ago
Probabilistic Iterative Expansion of Candidates in Mining Frequent Itemsets
A simple new algorithm is suggested for frequent itemset mining, using item probabilities as the basis for generating candidates. The method first finds all the frequent items, an...
Attila Gyenesei, Jukka Teuhola
IJCAI
1997
13 years 10 months ago
Reifying Concepts in Description Logics
Practical applications of description logics (DLs) in knowledge-based systems have forced us to introduce the following features which are absent from existing DLs: • allowing a...
Liviu Badea
SIGMOD
2010
ACM
208views Database» more  SIGMOD 2010»
13 years 9 months ago
Hierarchically organized skew-tolerant histograms for geographic data objects
Histograms have been widely used for fast estimation of query result sizes in query optimization. In this paper, we propose a new histogram method, called the Skew-Tolerant Histog...
Yohan J. Roh, Jae Ho Kim, Yon Dohn Chung, Jin Hyun...
JCO
2008
102views more  JCO 2008»
13 years 8 months ago
Stable matching problems with exchange restrictions
We study variants of classical stable matching problems in which there is an additional requirement for a stable matching, namely that there should not be two participants who wou...
Robert W. Irving