Search: in, Database s.e., Rundensteiner, E

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A Transparent Schema-Evolution System Based on Object-Oriented View Technology

... view system to support capacity-augmenting views. In this paper, we present algorithms that implement the complete set of typical ...

Publication - cat - 04/17/2013 - 06:38 - 0 comments - 0 attachments

Optimizing Performance of Schema Evolution Sequences

... systems, the generation of structured web pages from data in database systems, or the integration of systems with different native data ... at the deferred execution approach for schema evolution in an effort to improve availability of the system, to the best of our ...

Publication - cat - 04/16/2013 - 07:49 - 0 comments - 1 attachment

ROVER: A Framework for the Evolution of Relationships

... the myriad of possible change semantics a user may desire in the future, any pre-defined set is not sufficient. Rather we present a ... invariants, can be a very expensive re-engineering effort. In this paper we present an approach that de-couples the constraints from the ...

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

The EVE approach: view synchronization in dynamic distributed environments

... construction and maintenance of data warehouses (views) in large-scale environments composed of numerous distributed and evolving ... the problem of schema changes of ISs, while previous work in this area, such as incremental view maintenance, has mainly dealt with data ...

Publication - cat - 04/16/2013 - 02:27 - 0 comments - 0 attachments

Incremental Maintenance of Schema-Restructuring Views

... 252.55 KB An important issue in data integration is the integration of semantically equivalent but ... source restructuring for such databases have been proposed in the literature, such as the SQL extension SchemaSQL. However, the issue of incremental maintenance of views defined in such languages remains an open problem. We present an incremental view ...

Publication - cat - 04/15/2013 - 22:27 - 0 comments - 1 attachment