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- A formal model for temporal schema versioning in object-oriented databases
... 10 - 49 In this paper we present a formal model for the support of temporal schema versions in object-oriented databases. Its definition is partially based on a generic (ODMG compatible) object model and partially introduces new concepts. ...
Publication - fgrandi - 04/17/2013 - 08:49 - 0 comments - 0 attachments
- Schema Evolution and the Relational Algebra
... to support both aspects of transaction time, evolution of a database's contents and evolution of a database's schema. They define a relation's schema to be the relation's ...
Publication - erhard - 04/17/2013 - 08:27 - 0 comments - 0 attachments
- Semantics of Database Transformations
... P Kosky, A Year: ... their strengths and weaknessesd develops requirements on a formal model for specifying and implementing database transformations. We ...
Publication - erhard - 04/16/2013 - 11:38 - 0 comments - 1 attachment
- Inheritance of Workflows An approach to tackling problems related to change
... The inheritance mechanism allows for the definition of a subclass which inherits the features of a specific superclass. When adapting a workflow process definition to specific ...
Publication - cat - 04/16/2013 - 09:49 - 0 comments - 0 attachments