Schema Evolution publication categorizer

... the exact semantics of this operator turned out to be a fairly delicate task. Furthermore, this notion is rather restrictive, since it is rare that a schema mapping possesses an inverse. In this paper, we introduce and study ...

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

... 959.2 KB A schema mapping is a high-level declarative specification of the relationship between two schemas; ... schema, is to be converted into data structured under a possibly different schema, called the target schema. Schema mappings are ...

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