... Pons, A; Keller, R. K. Author: Pons, A Keller, R ...
Publication - cat - 07/03/2022 - 23:42 - 0 comments - 0 attachments
... schema of the database, support for schema evolution is a highly required feature. Therefore, a set of schema update primitives must be provided which can be used to perform ...
Publication - cat - 04/17/2013 - 13:05 - 0 comments - 0 attachments
... 50 - 99 A sound and complete axiomatic model is proposed for dynamic schema evolution ... an OBS. The inference mechanism performed by the model has a proven termination. (object-oriented, Theory, TODS / VLDBJ) ...
Publication - erhard - 04/17/2013 - 08:49 - 0 comments - 0 attachments
... 100 - 499 When a database is shared by many users, updates to the database schema are almost always prohibited because there is a risk of making existing application programs obsolete when they run against ...
Publication - cat - 04/17/2013 - 06:38 - 0 comments - 0 attachments
... These operations allows us to describe changes in a semantically more meaningful way. Since this change detection problem is NP-hard, in this paper we present a heuristic change detection algorithm that yields close to “minimal” ... is based on transforming the change detection problem to a problem of computing a minimum-cost edge cover of a bipartite graph. We study ...
Publication - huliganka - 04/17/2013 - 00:38 - 0 comments - 1 attachment
... libraries [4] and Internet databases. As an example, a user of the World Wide Web may be interested in knowing changes in an HTML ... of documents). As another example, in hypertext authoring, a user may wish to find the common portions in the history list of a document ...
Publication - huliganka - 04/16/2013 - 23:16 - 0 comments - 1 attachment
... 119.55 KB MDM is a tool that enables the users to define schemes of different data models and to ... to another. These functionalities can be at the basis of a customizable and integrated CASE environment supporting the analysis and ... Manager and the Schema Manager. The Model Manager supports a specialized user, the model engineer, in the definition of a variety of ...
Publication - huliganka - 04/16/2013 - 19:27 - 0 comments - 1 attachment
... S Kosky, A Year: ... transform data between heterogeneous databases arises from a number of critical tasks in data management. These tasks are complicated by ...
Publication - erhard - 04/16/2013 - 12:16 - 0 comments - 1 attachment
... 10 - 49 A seamless approach to the incremental design and reuse of object oriented ... of our approach are the use of propagation patterns and a mechanism for propagation pattern refinement. Propagation patterns are ...
Publication - cat - 04/16/2013 - 05:38 - 0 comments - 0 attachments
... objects should be traceable. In this paper we propose a method for managing schema changes by exploiting the functionality of a temporal object model. The result is a uniform treatment of schema ...
Publication - cat - 04/16/2013 - 03:38 - 0 comments - 0 attachments
... 500 - 999 A number of ideas concerning information-integration tools can be thought of ...
Publication - huliganka - 04/16/2013 - 01:27 - 0 comments - 0 attachments
