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» The Functionality Attribute of Cybergenres
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PODS
2006
ACM
104views Database» more  PODS 2006»
15 years 9 months ago
Tractable database design through bounded treewidth
Given that most elementary problems in database design are NP-hard, the currently used database design algorithms produce suboptimal results. For example, the current 3NF decompos...
Georg Gottlob, Reinhard Pichler, Fang Wei
SDM
2009
SIAM
160views Data Mining» more  SDM 2009»
15 years 7 months ago
Discovering Substantial Distinctions among Incremental Bi-Clusters.
A fundamental task of data analysis is comprehending what distinguishes clusters found within the data. We present the problem of mining distinguishing sets which seeks to find s...
Faris Alqadah, Raj Bhatnagar
CIKM
2009
Springer
15 years 4 months ago
A machine learning approach for improved BM25 retrieval
Despite the widespread use of BM25, there have been few studies examining its effectiveness on a document description over single and multiple field combinations. We determine t...
Krysta Marie Svore, Christopher J. C. Burges
POLICY
2009
Springer
15 years 4 months ago
XACML Policy Profile for Multidomain Network Resource Provisioning and Supporting Authorisation Infrastructure
—Policy definition is an important component of the consistent authorisation service infrastructure that could be effectively integrated with the general resource provisioning wo...
Yuri Demchenko, Mihai Cristea, Cees de Laat
GECCO
2007
Springer
481views Optimization» more  GECCO 2007»
15 years 3 months ago
A hybrid PSO/ACO algorithm for classification
In a previous work we have proposed a hybrid Particle Swarm Optimisation/Ant Colony Optimisation (PSO/ACO) algorithm for the discovery of classification rules, in the context of d...
Nicholas Holden, Alex Alves Freitas