Sciweavers

1020 search results - page 132 / 204
» Tight Semantics for Logic Programs
Sort
View
ENTCS
2002
91views more  ENTCS 2002»
14 years 11 months ago
Memoization-Based Proof Search in LF - an Experimental Evaluation of a Prototype
Elf is a general meta-language for the specification and implementation of logical systems in the style of the logical framework LF. Proof search in this framework is based on the...
Brigitte Pientka
ICALT
2008
IEEE
15 years 6 months ago
A Framework for Semantic Group Formation
Collaboration has long been considered an effective approach to learning. However, forming optimal groups can be a time consuming and complex task. Different approaches have been ...
Asma Ounnas, Hugh C. Davis, David E. Millard
POPL
2010
ACM
15 years 9 months ago
A Theory of Indirection via Approximation
Building semantic models that account for various kinds of indirect reference has traditionally been a difficult problem. Indirect reference can appear in many guises, such as hea...
Aquinas Hobor, Robert Dockins, Andrew W. Appel
LPNMR
2009
Springer
15 years 6 months ago
Complexity of the Stable Model Semantics for Queries on Incomplete Databases
Abstract. We study the complexity of consistency checking and query answering on incomplete databases for languages ranging from non-recursive Datalog to disjunctive Datalog with n...
Jos de Bruijn, Stijn Heymans
DALT
2009
Springer
15 years 3 months ago
Ontology and Time Evolution of Obligations and Prohibitions Using Semantic Web Technology
The specification and monitoring of conditional obligations and prohibitions with starting points and deadlines is a crucial aspect in the design of open interaction systems. In th...
Nicoletta Fornara, Marco Colombetti