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COOPIS
2003
IEEE
14 years 25 days ago
A Fuzzy Model for Representing Uncertain, Subjective, and Vague Temporal Knowledge in Ontologies
Abstract. Time modeling is a crucial feature in many application domains. However, temporal information often is not crisp, but is uncertain, subjective and vague. This is particul...
Gábor Nagypál, Boris Motik
IFM
1999
Springer
13 years 11 months ago
Retrenchment and Punctured Simulation
: Some of the shortcomings of using refinement alone as the means of passing from high level simple models to actual detailed implementations are reviewed. Retrenchment is presente...
Richard Banach, Michael Poppleton
APAQS
2001
IEEE
13 years 11 months ago
Incremental Fault-Tolerant Design in an Object-Oriented Setting
With the increasing emphasis on dependability in complex, distributed systems, it is essential that system development can be done gradually and at different levels of detail. In ...
Einar Broch Johnsen, Olaf Owe, Ellen Munthe-Kaas, ...
CNL
2009
13 years 8 months ago
Controlled English Ontology-Based Data Access
Abstract. As it is well-known, querying and managing structured data in natural language is a challenging task due to its ambiguity (syntactic and semantic) and its expressiveness....
Camilo Thorne, Diego Calvanese
JIKM
2008
98views more  JIKM 2008»
13 years 7 months ago
Knowledge-Based Expert System Development and Validation with Petri Nets
Expert systems (ESs) are complex information systems that are expensive to build and difficult to validate. Numerous knowledge representation strategies such as rules, semantic net...
Madjid Tavana