Sciweavers

4212 search results - page 262 / 843
» Rights Expression Languages
Sort
View
IDEAS
2002
IEEE
135views Database» more  IDEAS 2002»
15 years 11 months ago
On Implicate Discovery and Query Optimization
Boolean expression simplification is a well-known problem in the history of Computer Science. The problem of determining prime implicates from an arbitrary Boolean expression has...
Kristofer Vorwerk, G. N. Paulley
ESWS
2006
Springer
15 years 10 months ago
An Environment for Semi-automatic Annotation of Ontological Knowledge with Linguistic Content
Both the multilingual aspects which characterize the (Semantic) Web and the demand for more easy-to-share forms of knowledge representation, being equally accessible by humans and ...
Maria Teresa Pazienza, Armando Stellato
DOOD
1991
Springer
107views Database» more  DOOD 1991»
15 years 10 months ago
Non-Determinism in Deductive Databases
This paper examines the problem of adding non-deterministic constructs to a declarative database language based on Horn Clause Logic. We revise a previously proposed approach, the...
Fosca Giannotti, Dino Pedreschi, Domenico Sacc&agr...
AAAI
2010
15 years 8 months ago
Soundness Preserving Approximation for TBox Reasoning
Large scale ontology applications require efficient and robust description logic (DL) reasoning services. Expressive DLs usually have very high worst case complexity while tractab...
Yuan Ren, Jeff Z. Pan, Yuting Zhao
DLOG
2006
15 years 8 months ago
Extending the SHOIQ(D) Tableaux with DL-safe Rules: First Results
On the Semantic Web, there has been increasing demand for a ruleslike expressivity that goes beyond OWL-DL. Efforts of combining rules languages and description logics usually pro...
Vladimir Kolovski, Bijan Parsia, Evren Sirin