... and then produces a transformer that can update data in a database to correspond to a newer version of the schema. (no paper ...
Publication - erhard - 04/17/2013 - 10:05 - 0 comments - 1 attachment
... provide high level quality of data and quality of service. In the DWQ project we have proposed an architectural framework and a repository ... metadata which describes all the data warehouse components in a set of metamodels to which is added a quality metamodel, defining for each ...
Publication - cat - 04/17/2013 - 05:27 - 0 comments - 1 attachment
... http://tumb1.biblio.tu-muenchen.de/publ/diss/in/2000/blaschka.pdf Citations: ... Processing)deploy the multidimensional data model in order to describe the application domain. Consequently, OLAP systems are ...
Publication - cat - 04/16/2013 - 18:16 - 0 comments - 1 attachment
... and database systems is that they change. Moreover, in so doing they evolve, although the manner and quality of this evolution is highly dependent on the mechanisms in place to handle it. While changes in data are handled well, changes in other ...
Publication - cat - 04/16/2013 - 11:38 - 0 comments - 1 attachment
... 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
... are allowed to block any type of transactions. We show in this paper a method to handle schema changes which is based on a ... any transactions. A nice feature of the method presented in this paper is that it is easy to integrate into an already existing ...
Publication - cat - 04/16/2013 - 07:16 - 0 comments - 0 attachments
... the entire history of source databases is not stored in the warehouse; the warehouse keeps enough information for its ... (i.e. non-temporal operators). Although temporal views in V are specified in a temporal algebraic query language we translate them into relational ...
Publication - huliganka - 04/16/2013 - 06:27 - 0 comments - 1 attachment
... 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
... with multiple active instances is a complex issue. In this paper, we present an analysis of workflow changes in relation to business process change, and present a classification of ...
Publication - cat - 04/16/2013 - 01:27 - 0 comments - 0 attachments
... 583.01 KB In our emerging digital paper-less society, massive amount of information is being maintained in on-line repositories and diverse web site representations of this ... two representative sample applications with such needs. In this paper we present a database-centric approach called Re-Web that ...
Publication - cat - 04/15/2013 - 22:16 - 0 comments - 1 attachment
