Schema Evolution publication categorizer

... over the target schema that satisfies the schema mapping. In general, a given source instance may have numerous different solutions. ...

Publication - hartung - 04/17/2013 - 12:16 - 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

... between database schemas. Schema mappings are prominent in several different areas of database management, including database design, ... and peer-to-peer data management systems. Our main aim in this paper is to present an overview of recent advances in data exchange and ...

Publication - cat - 04/16/2013 - 21:27 - 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