... range: n/a The aim of temporal data models is to accommodate ... in information systems design. Schema versioning is one of a number of related areas dealing with the general problem of using multiple ...
Publication - cat - 01/19/2018 - 18:11 - 0 comments - 0 attachments
... overview has been published so far. Secondly, the study of a general application scenario led us to a list of requirements. We propose a general framework based on schema ...
Publication - cat - 04/17/2013 - 13:16 - 0 comments - 0 attachments
... It is often difficult to obtain a good conceptual understanding of a legacy database, especially when there is a lack of documentation. Database ...
Publication - cat - 04/17/2013 - 08:27 - 0 comments - 0 attachments
... Sudarshan, C. S.; Rajaraman, A.; Garcia-Molina, H.; Widom, J. ... Rajaraman, A Garcia-Molina, H ...
Publication - huliganka - 04/17/2013 - 00:49 - 0 comments - 1 attachment
... 1.42 MB We provide a principled extension of SQL, called SchemaSQL , that offers the capability ... in relational multi-database systems. We develop a precise syntax and semantics of SchemaSQL in a manner that extends traditional SQL syntax and semantics, and demonstrate ...
Publication - cat - 04/16/2013 - 18:05 - 0 comments - 1 attachment
... terminology. - An Adaptive program is similar to a genre. According to the Random House Dic-tionary, a genre is a category of artistic endeavor having a particular form, content, ...
Publication - cat - 04/16/2013 - 17:27 - 0 comments - 1 attachment
... 213.48 KB We describe the development of a tool called MDM for the management of multiple models and the translation ... for the same data schemes We first present a graph-theoretic framework that allows us to formally investigate desirable ...
Publication - huliganka - 04/16/2013 - 15:49 - 0 comments - 1 attachment
... Kashyap, V.; Sheth, A. Author: ... V Sheth, A Year: ...
Publication - admin - 04/16/2013 - 13:27 - 0 comments - 1 attachment
... class is derived from several classes. This paper proposes a solution based on the definition of a multi-level schema architecture, emphasising: (i) The integration of this ...
Publication - cat - 04/16/2013 - 06:27 - 0 comments - 0 attachments
... entire schema does not need to be redesigned every time a change is made. We characterize the subschema affected by basic schema ... allows us to limit the scope of checking required and have a guarantee of the overall design being correct (safe changes). In addition, we ...
Publication - cat - 04/16/2013 - 05:27 - 0 comments - 0 attachments
... 10 - 49 We develop a formal basis of correct schema transformations. Schemas are formalized as ...
Publication - cat - 04/16/2013 - 03:49 - 0 comments - 0 attachments
... range: n/a Attachment Size ... designers building up object database schemata require a more abstract level. This paper addresses new facilities for updating a ...
Publication - cat - 04/16/2013 - 02:27 - 0 comments - 1 attachment
... 500 - 999 A basic step towards flexibility in workflow systems is the consistent and ... we address the problem of workflow evolution, from both a static and a dynamic point of view. We define a complete, minimal, and ...
Publication - cat - 04/16/2013 - 00:38 - 0 comments - 0 attachments
