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IEEEARES
2008
IEEE
15 years 7 months ago
Context Ontology for Secure Interoperability
During interoperability exchanges, organizations are jointly conducting computation and sharing tasks. However, organizations can have different security policies. To guarantee g...
Céline Coma, Nora Cuppens-Boulahia, Fr&eacu...
LPAR
1999
Springer
15 years 5 months ago
Practical Reasoning for Expressive Description Logics
Abstract. Description Logics (DLs) are a family of knowledge representation formalisms mainly characterised by constructors to build complex concepts and roles from atomic ones. Ex...
Ian Horrocks, Ulrike Sattler, Stephan Tobies
SAINT
2006
IEEE
15 years 7 months ago
Ontology Extraction from Tables on the Web
Previous works on information extraction from tables make use of prior knowledge such as a cognition model of tables or lexical knowledge bases for specific domains. However, we ...
Masahiro Tanaka, Toru Ishida
PVLDB
2010
161views more  PVLDB 2010»
14 years 11 months ago
Annotating and Searching Web Tables Using Entities, Types and Relationships
Tables are a universal idiom to present relational data. Billions of tables on Web pages express entity references, attributes and relationships. This representation of relational...
Girija Limaye, Sunita Sarawagi, Soumen Chakrabarti
SEMWEB
2001
Springer
15 years 5 months ago
OntoMap - the Guide to the Upper-Level
Abstract. The upper-level ontologies are theories that capture the most common concepts, which are relevant for many of the tasks involving knowledge extraction, representation, an...
Atanas K. Kirakov, Marin Dimitrov