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XML data exchange: consistency and query answering

... Data exchange is the problem of finding an instance of a target schema, given an instance of a source schema and a specification of the relationship between the source and ...

Publication - hartung - 04/16/2013 - 22:16 - 0 comments - 1 attachment

Mapping Data in Peer-to-Peer Systems: Semantics and Algorithmic Issues

... Kementsietsidis, A.; Arenas, M.; Miller, R. J. Author:  ... Kementsietsidis, A Arenas, M ...

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

The recovery of a schema mapping: bringing exchanged data back

... 398.75 KB A schema mapping is a specification that describes how data from a source schema is to be mapped to a target schema. Once the data has been ...

Publication - cat - 04/16/2013 - 05:49 - 0 comments - 1 attachment

Inverting Schema Mappings: Bridging the Gap between Theory and Practice

... as one of the fundamental operators for the development of a general framework for metadata management. In fact, during the last years ... include features that are difficult to use in practice. A typical example is the use of disjunction in the conclusion of the mapping ...

Publication - hartung - 04/15/2013 - 23:38 - 0 comments - 1 attachment