Schema Evolution publication categorizer

... 191.63 KB Schema matching is a basic problem in many database application domains, such as data integration, Ebusiness, data warehousing, and semantic query processing. In current implementations, schema matching is typically performed manually, ...

Publication - cat - 04/16/2013 - 22:16 - 0 comments - 1 attachment

... 676.21 KB In this article, we develop a relational algebra for metadata integration, ... where the number of relations and/or the number of columns in relations of the output varies dynamically with the input instance. Among ... generalized dynamic output schemas, where the values in any (fixed) number of input columns can determine output schemas.Further ...

Publication - cat - 04/16/2013 - 18:27 - 0 comments - 1 attachment

... 266.26 KB In a multidatabase system, schematic conflicts between two objects are ... content at the federation level are modeled as changes in the context and the associated schema correspondences. We try to reconcile ...

Publication - admin - 04/16/2013 - 13:27 - 0 comments - 1 attachment

... , new tools for automating the process were proposed.In this work we present a formal model of semantic reconciliation and analyze in a systematic manner the properties of the process outcome, primarily the ...

Publication - admin - 04/16/2013 - 13:16 - 0 comments - 1 attachment

... engines selling similar products is of great importance in allowing users to search and compare products from multiple sites with ease. ... which is inefficient and difficult to maintain. In this paper, we present WISE-Integrator – a tool that performs automatic ...

Publication - cat - 04/16/2013 - 07:27 - 0 comments - 0 attachments