Schema Evolution publication categorizer

... The past two decades have seen increasing sophistication in software work. Now and in the future, the work of both practitioners and researchers would be helped ...

Publication - erhard - 04/17/2013 - 09:16 - 0 comments - 0 attachments

... it is rare that a schema mapping possesses an inverse. In this paper, we introduce and study the notion of a quasi-inverse of a ... negative results about the existence of quasi-inverses. In particular, we show that every LAV (local-as-view) schema mapping has a ...

Publication - huliganka - 04/17/2013 - 02:49 - 0 comments - 1 attachment

... support for programming schema mappings is still lacking. In particular, a tool for debugging schema mappings has not yet been developed. In this paper, we propose to build a debugger for understanding and exploring ...

Publication - huliganka - 04/16/2013 - 23:38 - 0 comments - 1 attachment

... effect as applying successively the two schema mappings. In this paper, we give a rigorous semantics to the composition of schema ... We first study the important case of schema mappings in which the specification is given by a finite set of source-to-target ...

Publication - cat - 04/16/2013 - 19:16 - 0 comments - 1 attachment

... from the first schema to an instance of the second schema. In particular, the ability to perform data-metadata translations, transformation in which data is converted into metadata or metadata is converted into data, is ...

Publication - paolop - 04/16/2013 - 10:05 - 0 comments - 1 attachment