... Although there is already a lot of research done in this area, there are still many open questions. In this paper we try to classify the problems that may arise into a common ...
Publication - admin - 07/26/2016 - 16:40 - 0 comments - 0 attachments
... is the ability of a database system to respond to changes in the real world by allowing the schema to evolve. In many systems this property also implies a retaining of past states of the ...
Publication - cat - 04/17/2013 - 05:16 - 0 comments - 1 attachment
... efforts directed towards evolving data definitions in object-oriented database systems. The emphasis is on their ability to ... modified. This approach is an extension of techniques used in artificial intelligence for knowledge representation. It extends previous ...
Publication - cat - 04/16/2013 - 18:49 - 0 comments - 1 attachment
... 266.26 KB In a multidatabase system, schematic conflicts between two objects are ... content at the federation level are modeled as changes in the context and the associated schema correspondences. We try to reconcile ...
Publication - admin - 04/16/2013 - 13:27 - 0 comments - 1 attachment
... heterogeneous schemata for various database related tasks. In particular, schema versioning, and its weaker companion, schema evolution, ... to retain current data and software system functionality in the face of changing database structure. Schema versioning and schema ...
Publication - cat - 04/16/2013 - 04:49 - 0 comments - 0 attachments
... us to a revised vision that differs from the original in two main respects: the operations must handle more expressive mappings, and ...
Publication - huliganka - 04/16/2013 - 03:16 - 0 comments - 1 attachment
... guide the design of controlled terminology schemes for use in structured data, including metadata. Thesauri are created in different languages, with different scope and points of view and at ...
Publication - admin - 04/15/2013 - 21:38 - 0 comments - 0 attachments
