Schema Evolution publication categorizer

... data exchange have become popular and useful tools both in research and industry. A schema mapping relates a source schema with a ... be used to materialize data at the target or used as views in a virtually integrated system. We present a classification of mapping ...

Publication - cat - 04/17/2013 - 03:27 - 0 comments - 1 attachment

... 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