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» A Formal Semantics for SPKI
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ESOP
2010
Springer
16 years 4 months ago
A Hoare Logic for the Coinductive Trace-Based Big-Step Semantics of While
In search for a foundational framework for reasoning about observable behavior of programs that may not terminate, we have previously devised a trace-based big-step semantics for W...
Keiko Nakata and Tarmo Uustalu
ICIW
2008
IEEE
16 years 1 months ago
Different Approaches to Semantic Web Service Composition
—Semantic web service composition is about finding services from a repository that are able to accomplish a specified task if executed. The task is defined in a form of a comp...
Thomas Weise, Steffen Bleul, Diana Elena Comes, Ku...
DEXAW
2007
IEEE
137views Database» more  DEXAW 2007»
16 years 1 months ago
FCA for contextual semantic navigation and information retrieval in heterogeneous information systems
This paper presents an information retrieval methodology which uses Formal Concept Analysis in conjunction with semantics to provide contextual answers to users’ queries. User f...
Géraldine Polaillon, Marie-Aude Aufaure, B&...
QSIC
2007
IEEE
16 years 1 months ago
An Incremental and FCA-Based Ontology Construction Method for Semantics-Based Component Retrieval
In semantics-based component retrieval ontology is usually employed as the semantic basis for component representation and matching. Existing methods always assume that the ontolo...
Xin Peng, Wenyun Zhao
EPIA
2007
Springer
16 years 28 days ago
Towards Tractable Local Closed World Reasoning for the Semantic Web
Recently, the logics of minimal knowledge and negation as failure MKNF [12] was used to introduce hybrid MKNF knowledge bases [14], a powerful formalism for combining open and clos...
Matthias Knorr, José Júlio Alferes, ...