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Automated Co-evolution of Conceptual Models, Physical Databases, and Mappings

... the database and mapping must evolve in kind. We present a technique that, in most cases, allows those evolutions to progress ...

Publication - cat - 04/16/2013 - 20:38 - 0 comments - 0 attachments

Toward Formal Semantics for Data and Schema Evolution in Data Stream Management Systems

... result streams to standing queries, and often operate in a context where any interruption can lead to data loss. Support for schema ... and Alter Data (data evolution). We characterize how a subset of commonly used query operators in a DSMS act on and propagate these ...

Publication - cat - 04/16/2013 - 08:27 - 0 comments - 0 attachments