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» The Semantics of Entailment Omega
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AIR
2004
126views more  AIR 2004»
13 years 7 months ago
Interval Relations in Lexical Semantics of Verbs
Numerous temporal relations of verbal actions have been analysed in terms of various grammatical means of expressing verbal temporalisation such as tense, aspect, duration and iter...
Minhua Ma, Paul McKevitt
DEXA
2007
Springer
131views Database» more  DEXA 2007»
14 years 1 months ago
Improving Semantic Query Answering
The retrieval problem is one of the main reasoning tasks for knowledge base systems. Given a knowledge base K and a concept C, the retrieval problem consists of finding all indivi...
Norbert Kottmann, Thomas Studer
PSSS
2003
13 years 8 months ago
DLDB: Extending Relational Databases to Support Semantic Web Queries
Abstract: We present DLDB, a knowledge base system that extends a relational database management system with additional capabilities for DAML+OIL inference. We discuss a number of ...
Zhengxiang Pan, Jeff Heflin
PADL
2010
Springer
14 years 4 months ago
Implementing Query Answering for Hybrid MKNF Knowledge Bases
Abstract. Ontologies and rules are usually loosely coupled in knowledge representation formalisms. In fact, ontologies use open-world reasoning while the leading semantics for rule...
Ana Sofia Gomes, José Júlio Alferes,...
WWW
2008
ACM
14 years 8 months ago
Towards context-aware semantic web service discovery through conceptual situation spaces
Context-awareness is highly desired across several application domains. Semantic Web Services (SWS) enable the automatic discovery of distributed Web services based on comprehensi...
Stefan Dietze, Alessio Gugliotta, John Domingue