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VLDB
2004
ACM
124views Database» more  VLDB 2004»
14 years 27 days ago
Data Sharing Through Query Translation in Autonomous Sources
We consider the problem of data sharing between autonomous data sources in an environment where constraints cannot be placed on the shared contents of sources. Our solutions rely ...
Anastasios Kementsietsidis, Marcelo Arenas
ICTAI
2008
IEEE
14 years 2 months ago
Fuzzy Information Retrieval Model Based on Multiple Related Ontologies
– With the World Wide Web popularity the information retrieval area has a new challenge intending to retrieve information resources by their meaning by using a knowledge base. No...
Maria Angelica A. Leite, Ivan L. M. Ricarte
SMC
2010
IEEE
124views Control Systems» more  SMC 2010»
13 years 6 months ago
SoftFacts: A top-k retrieval engine for ontology mediated access to relational databases
—We outline SoftFacts, an ontology mediated top-k information retrieval system over relational databases. An ontology layer is used to define (in terms of a OWL-QL like Semantic...
Umberto Straccia
DKE
2010
134views more  DKE 2010»
13 years 7 months ago
Combining ontological profiles with context in information retrieval
An ontology is a formal conceptualization of a domain, specifying the concepts of the domain and the relations between them. It is however not a straight forward task to use this ...
Geir Solskinnsbakk, Jon Atle Gulla
ATAL
2006
Springer
13 years 11 months ago
Deriving axioms across ontologies
Ontologies play a key role in agent communication and the emerging Semantic Web. Axioms are an important component of ontologies to describe the relationships among the concepts. ...
Dejing Dou, Drew V. McDermott