... Maedche, A.; Motik, B.; Stojanovic, L.; Studer, R.; Volz, R. ... Maedche, A Motik, B ...
Publication - cat - 06/15/2023 - 14:51 - 0 comments - 0 attachments
... an ontology, its data instances may become invalid, and as a result, may become non-interpretable. In this paper, we address precisely ... and demonstrate that it is sufficient to validate a data instance against the semantic view rather than the entire ontology. We ...
Publication - cat - 04/17/2013 - 13:27 - 0 comments - 0 attachments
... severe heterogeneity problems. For instance, incorporating a new program in a legacy database application can create an integrity mismatch, since the ...
Publication - huliganka - 04/17/2013 - 12:05 - 0 comments - 1 attachment
... to database schemas, to data and to programs through a general strategy. This strategy requires the documentation of database ... techniques. Our approach, called DB-MAIN, relies on a generic database model and on transformational paradigm that states that ... can be modeled by schema transformations. Indeed, a transformation provides both structural and instance mappings that formally ...
Publication - huliganka - 04/17/2013 - 11:38 - 0 comments - 1 attachment
... analysers, and program transformations. We provide a pragmatic, transformation-based approach for expressing and tracking changes ...
Publication - cat - 04/17/2013 - 10:27 - 0 comments - 0 attachments
... 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
... Marotta, A; Motz, R; Ruggia, R Author: Marotta, A Motz, R ...
Publication - cat - 04/17/2013 - 05:27 - 0 comments - 0 attachments
... Kirsten, T.; Gross, A.; Hartung, M.; Rahm, E. Author: ... E Gross, A Year: ...
Publication - hartung - 04/16/2013 - 23:05 - 0 comments - 0 attachments
... management system sometimes needs reorganization, that is, a change in some aspect of the logical and/or physical arrangement of a database. In traditional practice, many types of reorganization have ...
Publication - cat - 04/16/2013 - 19:49 - 0 comments - 1 attachment
... J Rubio, A Zapata, M ... work is the evolution of working database systems. As a step for the solution of this problem in this paper we propose MeDEA, which ...
Publication - jlloret - 04/16/2013 - 14:49 - 0 comments - 0 attachments
... 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
... Papastefanatos, G.; Vassiliadis, P.; Simitsis, A.; Vassiliou, Y. Author: ... P Simitsis, A Vassiliou, Y ...
Publication - gpapas - 04/16/2013 - 04:05 - 0 comments - 0 attachments
... Hartung, M; Kirsten, T; Gross, A; Rahm, E Author: ... T Gross, A Rahm, E ...
Publication - hartung - 04/15/2013 - 23:27 - 0 comments - 1 attachment
