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... for accessing source data. The restructuring specified in CONVERT is compiled into a set of customized PL/l procedures to derive ... requests. The architecture of EXPRESS allows efficiency in execution by avoiding unnecessary secondary storage references while at the ...
Publication - erhard - 04/17/2013 - 10:16 - 0 comments - 0 attachments
... and then produces a transformer that can update data in a database to correspond to a newer version of the schema. (no paper ...
Publication - erhard - 04/17/2013 - 10:05 - 0 comments - 1 attachment
... tools should be well suited for exchanging information in a semantically meaningful way. Unfortunately, they suffer from two ... easily extensible data management architecture in which any user can contribute new data, schema information, or even mappings ... paper considers the problem of schema mediation in a PDMS. Our first contribution is a flexible language for mediating between ...
Publication - admin - 04/16/2013 - 17:27 - 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