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... Kupfer, A Eckstein, S ... integration and meta-databases, by connecting databases on a semantical level. Still, everything fails when one of the database schemas ...
Publication - cat - 04/17/2013 - 11:05 - 0 comments - 0 attachments
... 273.6 KB It is generally believed that a well-designed Conceptual Schema will remain stable over time. However, ... needs and database structures. This paper sets up a framework for stability of conceptual schemas and proceeds to develop a set ...
Publication - cat - 04/17/2013 - 04:16 - 0 comments - 1 attachment
... More than ever before schema transformation is a prevalent problem that needs to be addressed to accomplish for example the ... Such schema transformations are typically composed of a sequence of schema evolution operations. The execution of such sequences can ...
Publication - cat - 04/16/2013 - 07:49 - 0 comments - 1 attachment
... KB Database evolution can be considered a combination ofschema evolution, in which the structure evolves with the ... and/or range of allowable values changes. We present a model in which mesodata – an additional domain definition layer containing ...
Publication - cat - 04/16/2013 - 04:05 - 0 comments - 1 attachment
... completely lack schema evolution facilities, or offer a restricted set of special purpose schema evolution operators supporting ...
Publication - cat - 04/16/2013 - 01:16 - 0 comments - 0 attachments