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Semantics and implementation of schema evolution in object-oriented databases

... systems) with multimedia documents. At MCC we have built a prototype object-oriented database system, called ORION. It adds persistence ... schema evolution, that is, the ability to dynamically make a wide variety of changes to the database schema. In this paper, following a ...

Publication - cat - 04/17/2013 - 06:05 - 0 comments - 0 attachments

Dynamic change within workflow systems

... 982.35 KB Dynamic change is a large and pervasive unsolved problem which surfaces within office systems as ... of the dynamic change problem. In this paper, we use a Petri net formalism to analyze structural change within office procedures. As ...

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

Workflow Evolution

... 500 - 999 A basic step towards flexibility in workflow systems is the consistent and ... we address the problem of workflow evolution, from both a static and a dynamic point of view. We define a complete, minimal, and ...

Publication - cat - 04/16/2013 - 00:38 - 0 comments - 0 attachments