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A Model for Compound Type Changes Encountered in Schema Evolution

... 420.56 KB Schema evolution is a problem that is faced by long-lived data. When a schema changes, existing persistent data can become inaccessible unless the ... the database maintainer can perform. We have developed a model of type changes involving multiple types. The model describes both type ...

Publication - erhard - 04/17/2013 - 10:05 - 0 comments - 1 attachment

Maintaining Data Warehouses over Changing Information Sources.

... Rundensteiner, Elke A.; Koeller, Andreas; Zhang, Xin ... E Koeller, A Zhang, X ...

Publication - cat - 04/17/2013 - 06:16 - 0 comments - 1 attachment

Dealing with Workflow Change: Identification of Issues and Solutions

... with both momentary changes and evolutionary changes. As a result, the workflow management system is not used to support dynamically ... processes or the workflow process is supported in a rigid manner, i.e. changes are not allowed or handled outside of the workflow ...

Publication - cat - 04/16/2013 - 12:05 - 0 comments - 1 attachment

Schema Mapping as Query Discovery

... we must solve the data mapping problem in which a source (legacy) database is mapped into a different, but fixed, target schema. Schema mapping involves the discovery of ...

Publication - massmann - 04/16/2013 - 10:49 - 0 comments - 1 attachment

Data Warehouse Scenarios for Model Management

... Bernstein, P.A.; Rahm, E. Author:  ... 373.07 KB Model management is a framework for supporting meta-data related applications where models and ...

Publication - cat - 04/16/2013 - 03:05 - 0 comments - 1 attachment

A Vision for Management of Complex Models

... Bernstein, P.A.; Levy, A.Y.; Pottinger, R.A. Author:  ...

Publication - huliganka - 04/16/2013 - 02:49 - 0 comments - 1 attachment