Describing relational data sources (i.e. databases) by means of ontologies constitutes the foundation of most of the semantic based approaches to data access and integration. In sp...
Abstract. This paper describes our participation in the Ontology Alignment Evaluation Initiative (OAEI) 2009 with the AgreementMaker system for ontology matching, in which we obtai...
Isabel F. Cruz, Flavio Palandri Antonelli, Cosmin ...
ct Information Integration is among the most important fields in information management. The problem of integrating data from diverse, possibly heterogeneous data sources is ubiqu...
Ioana Manolescu, Daniela Florescu, Donald Kossmann
In this paper, we present an extension of PHIL, a declarative language for filtering information from XML data. The proposed approach allows us to extract relevant data as well a...
Many documents that can be found in the World Wide Web include some kind of geographical information, often in an implicit way. The use of resources like gazetteers and geographic...