Schema Evolution publication categorizer

... KB We examine the problem of type evolution in an object-oriented database environment. Type definitions are persistent objects in the database and as such may be modified and shared. The effects of changing ...

Publication - cat - 06/15/2023 - 14:51 - 0 comments - 1 attachment

... integration and schema evolution into one framework. In previous work we have developed a general framework to support schema transformation and integration in heterogeneous database architectures. Here we show how this framework also ...

Publication - cat - 09/13/2022 - 17:45 - 0 comments - 0 attachments

... on a logical level (e.g. OLAP systems) are often used in data warehouse environments. The user requirements in these dynamic application areas are subject to frequent changes. This ...

Publication - cat - 04/17/2013 - 12:49 - 0 comments - 1 attachment

... the most important of which is that schemas are placed in a partial order that has bounded joins. This means that the merging ... that the merge of schemas is independent of the order in which they are considered --- a property not possessed by existing ...

Publication - huliganka - 04/16/2013 - 20:38 - 0 comments - 1 attachment

... simple changes to individual schemas. As described in this paper, OTGen supports not only more complex schema changes, but also ... to the new definitions, thus facilitating improvements in performance, functionality, and usability of the database. (Conference, ...

Publication - cat - 04/16/2013 - 17:38 - 0 comments - 1 attachment

... when two agents or services use different ontologies. In the existing literature, the focus has so far been on improving the ... than existing prominent approaches. Then, we show in experiments that this theoretical investigation translates into practical ...

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

... KB Ontology alignment is a prerequisite in order to allow for interoperation between different ontologies and many ... of substrategies from which they have been built. In fact, scrutinizing current ontology alignment methods, one may recognize ... by machine learning approaches. APFEL compares favorably in our experiments to competing approaches. (Conference, Ontology ...

Publication - admin - 04/16/2013 - 13:27 - 0 comments - 1 attachment

... 100 - 499 The basic assumption in model engineering (MDE) is to consider models as first class entities. One of the most important kinds of models in MDE approaches are transformation models. Transformation models define ...

Publication - huliganka - 04/16/2013 - 07:38 - 0 comments - 0 attachments

... An important yet open problem in workflow management is the evolution of workflow schemas, i.e., the creation, deletion and modification of workflow types in such a way that the schema remains correct. This problem is aggravated when ...

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

... Support for ontology evolution is extremely important in ontology engineering and application of ontologies in dynamic environments. A core aspect in the evolution process is the to ...

Publication - cat - 04/16/2013 - 00:27 - 0 comments - 1 attachment

... the real process is one of the most important challenges in workflow management. In this paper, we present an approach for the management of evolving workflow ...

Publication - cat - 04/16/2013 - 00:05 - 0 comments - 0 attachments