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Managing Multiple Ontologies and Ontology Evolution in Ontologging.

... applications building on Semantic Web technology. In this paper we first present the conceptual architecture underlying ...

Publication - cat - 06/15/2023 - 14:51 - 0 comments - 0 attachments

An Architecture for Managing Database Evolution

... and extension) are available. The strategy of evolution in which our architecture is based is that of lsquoforward database ... down to the logical schema and to the extension. In order to put into practice this strategy, each component of a database is ... a translation information system is considered in order to manage the translation of conceptual elements into logical schema ...

Publication - cat - 04/17/2013 - 13:27 - 0 comments - 1 attachment

Managing source schema evolution in web warehouses

... of integrated Web data. One of the main challenges in these systems is to deal with the volatile and dynamic nature of Web sources. In this work we address the effects of adding/removing/changing Web sources and ...

Publication - cat - 04/17/2013 - 05:27 - 0 comments - 0 attachments

Mutual Online Ontology Alignment

... OAS’02 Ontologies in Agent Systems, Proc. of the AAMAS 2002 Workshop ... foundation for reliable collective coordinated action in multi-agent systems is the ability to exchange representational objects that ...

Publication - admin - 04/16/2013 - 18:49 - 0 comments - 1 attachment

Catalog integration for electronic commerce through category-hierarchy merging technique

... number of product catalogs from different sources. In order to help users find products efficiently, Internet shops provide ... to systematically support structured operations. In this paper, we present an extended catalog model whose purpose is to ... with browsing, searching, and downloading capabilities in order to facilitate catalog sharing and interoperability. In addition, we ...

Publication - cat - 04/16/2013 - 00:38 - 0 comments - 0 attachments

Incremental Maintenance of Schema-Restructuring Views

... 252.55 KB An important issue in data integration is the integration of semantically equivalent but ... source restructuring for such databases have been proposed in the literature, such as the SQL extension SchemaSQL. However, the issue of incremental maintenance of views defined in such languages remains an open problem. We present an incremental view ...

Publication - cat - 04/15/2013 - 22:27 - 0 comments - 1 attachment