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RR
2010
Springer
13 years 7 months ago
Query-Based Access Control for Ontologies
Role-based access control is a standard mechanism in information systems. Based on the role a user has, certain information is kept from the user even if requested. For ontologies ...
Martin Knechtel, Heiner Stuckenschmidt
ESWS
2008
Springer
13 years 10 months ago
Query Answering and Ontology Population: An Inductive Approach
In order to overcome the limitations of deductive logic-based approaches to deriving operational knowledge from ontologies, especially when data come from distributed sources, indu...
Claudia d'Amato, Nicola Fanizzi, Floriana Esposito
ER
2006
Springer
157views Database» more  ER 2006»
14 years 11 days ago
Representing Transitive Propagation in OWL
Transitive propagation along properties can be modelled in various ways in the OWL description logic. Doing so allows existing description logic reasoners based on the tableaux alg...
Julian Seidenberg, Alan L. Rector
ECSQARU
2005
Springer
14 years 2 months ago
A Possibilistic Inconsistency Handling in Answer Set Programming
Abstract. Both in classical logic and in Answer Set Programming, inconsistency is characterized by non existence of a model. Whereas every formula is a theorem for inconsistent set...
Pascal Nicolas, Laurent Garcia, Igor Stépha...
ILP
2005
Springer
14 years 2 months ago
Deriving a Stationary Dynamic Bayesian Network from a Logic Program with Recursive Loops
Recursive loops in a logic program present a challenging problem to the PLP framework. On the one hand, they loop forever so that the PLP backward-chaining inferences would never s...
Yi-Dong Shen, Qiang Yang