1171 search results - page 95 / 235 » A Logical Language for Expressing Authorizations |
195
click to vote
PLANX
2007
15 years 7 months ago
2007
We present an algorithm to solve XPath decision problems under regular tree type constraints and show its use to statically typecheck XPath queries. To this end, we prove the deci...
124
click to vote
ECAI
2006
Springer
15 years 10 months ago
2006
Springer
Abstract. In human-like reasoning it often happens that different conditions, partially alternative and hierarchically structured, are mentally grouped in order to derive some conc...
284
click to vote
AGP
2010
IEEE
15 years 11 months ago
2010
IEEE
Constraint Logic Programming (CLP) is one of the most successful branches of Logic Programming; it attracts the interest of theoreticians and practitioners, and it is currently use...
189
click to vote
DEXA
2008
Springer
2008
Springer
Evolutionary Clustering in Description Logics: Controlling Concept Formation and Drift in Ontologies
15 years 8 months ago
Abstract. We present a method based on clustering techniques to detect concept drift or novelty in a knowledge base expressed in Description Logics. The method exploits an effectiv...
169
click to vote
DLOG
2001
15 years 7 months ago
2001
Description logics have been designed and studied in a modular way. This has allowed a methodic approach to complexity evaluation. We present a way to preserve this modularity in ...