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CIKM
2005
Springer
16 years 2 days ago
Generating better concept hierarchies using automatic document classification
This paper presents a hybrid concept hierarchy development technique for web returned documents retrieved by a meta-search engine. The aim of the technique is to separate the init...
Razvan Stefan Bot, Yi-fang Brook Wu, Xin Chen, Qua...
EKAW
2004
Springer
15 years 12 months ago
Graph-Based Acquisition of Expressive Knowledge
Capturing and exploiting knowledge is at the heart of several important problems such as decision making, the semantic web, and intelligent agents. The captured knowledge must be a...
Vinay K. Chaudhri, Kenneth S. Murray, John Pacheco...
SP
1999
IEEE
145views Security Privacy» more  SP 1999»
15 years 10 months ago
A User-Centered, Modular Authorization Service Built on an RBAC Foundation
Psychological acceptability has been mentioned as a requirement for secure systems for as long as least privilege and fail safe defaults, but until now has been all but ignored in...
Mary Ellen Zurko, Richard Simon, Tom Sanfilippo
CP
2009
Springer
16 years 7 months ago
Failed Value Consistencies for Constraint Satisfaction
In constraint satisfaction, basic inferences rely on some properties of constraint networks, called consistencies, that allow the identification of inconsistent instantiations (als...
Christophe Lecoutre, Olivier Roussel
CP
2004
Springer
15 years 12 months ago
A Domain Consistency Algorithm for the Stretch Constraint
The stretch constraint occurs in many rostering problems that arise in the industrial and public service sectors. In this paper we present an efficient algorithm for domain consist...
Lars Hellsten, Gilles Pesant, Peter van Beek