Schema Evolution publication categorizer

... n/a Semantic matching of schemas in heterogeneous data sharing systems is time consuming and error prone. ... techniques for mapping two schemas at a time. In a large-scale scenario, where data sharing involves a large number of data ...

Publication - cat - 04/17/2013 - 08:05 - 0 comments - 0 attachments

... be related using (disjunctions of) the five base relations in RCC-5: N a M; N -- M; N -- M; N -- M (partial overlap of N and M); and N ! M ...

Publication - cat - 04/16/2013 - 12:38 - 0 comments - 1 attachment

... enterprise intranets) do not require full integration in order to provide useful services, motivating a pay-as-you-go approach to ... sources and the mediated schema. We describe experiments in multiple domains, including 50-800 data sources, and show that our system is ...

Publication - cat - 04/16/2013 - 11:27 - 0 comments - 0 attachments

... Modern information systems, and web information systems in particular, are faced with frequent database schema changes, which generate ... to manage such evolution and preserve their history. In this paper, we describe the Pantha Rei Framework designed to provide ...

Publication - krlis1337 - 04/16/2013 - 10:05 - 0 comments - 0 attachments

... data, thus offering a way to deal with the heterogeneity in the sources. In this paper, we develop a method and a design tool that provide: 1) ...

Publication - cat - 04/16/2013 - 04:05 - 0 comments - 1 attachment

... It is comprised of robust operators that combined in short programs can solve complex metadata-oriented problems in a compact way. For instance, countless enterprise data integration scenarios ...

Publication - cat - 04/15/2013 - 21:49 - 0 comments - 1 attachment

... how to generate them, and prove that schemas and views in this normal form satisfy our requirements. The view definitions in our normal form use stylized GLAV mappings, for which query rewriting is ...

Publication - erhard - 04/15/2013 - 20:16 - 0 comments - 1 attachment