Título: An ontology approach to data integration
Autores: Buccella, Agustina
Cechich, Alejandra
Rodríguez Brisaboa, Nieves
Fecha: 2004-05-21
2003
Publicador: Unversidad Nacional de La Plata
Fuente:


Tipo: Articulo
Articulo
Tema: federated databases; ontology; semantic heterogeneity
Ciencias Informáticas
Administración de Base de Datos
Base de datos distribuidas
Bases de Datos Heterogéneas
Sistemas de Información
Descripción: The term Federated Databases refers to the data integration of distributed, autonomous and heterogeneous databases. However, a federation can also include information systems, not only databases. At integrating data, several issues must be addressed. Here, we focus on the problem of heterogeneity, more specifically on semantic heterogeneity that is, problems rela ted to semantically equivalent concepts or semantically related/unrelated concepts. In order to address this problem, we apply the idea of ontologies as a tool for data integration. In this paper, we explain this concept and we briefly describe a method for constructing an ontology by using a hybrid ontology approach.
Idioma: Inglés