... doi:10.1016/S0169-023X(02)00207-0 Citations: ... 10 - 49 In this paper we present a formal model for the support of temporal schema versions in object-oriented ...
Publication - fgrandi - 04/17/2013 - 08:49 - 0 comments - 0 attachments
... affecting the day-to-day operations of the database. A very large body of literature exists today reflecting the extensive work ... paper is to examine schema evolution research and present a comprehensive summary of the different research activities from both ...
Publication - cat - 04/17/2013 - 05:05 - 0 comments - 0 attachments
... on representation technology. This paper introduces a new methodology and transformation process based on the notion of Service, ... system transformation capabilities. MAFRA Toolkit is a specific implementation of MAFRA-Mapping FRAmework, where these new ... between major operators in tourism e-business, MAFRA plays a major role in the specification, representation and reconciliation phases of ...
Publication - admin - 04/16/2013 - 19:27 - 0 comments - 1 attachment
... schemas, to the data and to the programs through a general strategy. This strategy requires the documentation of the database ... reverse engineering techniques. The approach relies on a generic database model and on the transformational paradigm that states ...
Publication - cat - 04/16/2013 - 17:38 - 0 comments - 1 attachment
... are changes in the ontologies. In this explain a mechanism to define modular and mappings in a way that allows containment of terminological reasoning. developed a ...
Publication - cat - 04/16/2013 - 13:05 - 0 comments - 1 attachment
... 112.43 KB The schema of a database consists of constructs that model relationships between its ... its integrity when basic changes are made to the schema. A classification of changes is described. ...
Publication - cat - 04/16/2013 - 12:27 - 0 comments - 1 attachment
... and data exchange over the web. In many applications a schema is associated with an XML document to specify and enforce the ... the document. The schema may change over time to reflect a change in the real-world, a change in the user's requirements, mistakes or ...
Publication - cat - 04/16/2013 - 06:49 - 0 comments - 1 attachment
... Melnik, Sergey; Rahm, Erhard; Bernstein, Philip A. Author: ... development of such integrated applications. We present a first complete prototype of a generic model-management system, in which ...
Publication - admin - 04/16/2013 - 03:27 - 0 comments - 1 attachment
... methods are presented: 1) CPI converts an XML schema to a relational schema while preserving semantic constraints of the original XML schema, 2) NeT derives a nested structured XML schema from a flat relational schema by repeatedly ...
Publication - cat - 04/16/2013 - 01:05 - 0 comments - 0 attachments
... Jasper, E.; Poulovassilis, A.; Zamboulis, L. Author: ... Poulovassilis, A Zamboulis, L ...
Publication - huliganka - 04/16/2013 - 00:49 - 0 comments - 0 attachments
... previously published techniques precision varied between (0.61–0.95), and recall varied from (0.65–0.90), whereas for the hybrid techniques, ...
Publication - cat - 04/15/2013 - 21:49 - 0 comments - 0 attachments
... Z Salgado, A Year: ... (GAV) and requires that each object is expressed as a view (a mediation query) on the data sources. One important limit of this ...
Publication - cat - 04/15/2013 - 21:16 - 0 comments - 1 attachment
... Cazzola, W; Ghoneim, A; Saake, G Author: ... W Ghoneim, A Saake, G ...
Publication - cat - 04/15/2013 - 21:16 - 0 comments - 1 attachment
