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Schema Exchange: A Template-Based Approach to Data and Metadata Translation.

... 267.78 KB In this paper we study the problem of schema exchange, a natural extension of ...

Publication - paolop - 04/16/2013 - 09:27 - 0 comments - 1 attachment

Model-Driven, View-Based Evolution of Relational Databases

... between abstraction levels. There exist several mechanisms in order to carry out propagations from one level to another, that are ... of modifications, is a time–consuming process. In this paper we propose a solution that is closer to the lazy and logical mechanisms, in which changes are delayed or not finally realized, respectively. This ...

Publication - jlloret - 04/16/2013 - 08:49 - 0 comments - 0 attachments

Evolving the Implementation of ISA Relationships in EER Schemas

... Proceedings of the Workshop on Evolution and Change in Data Management (ECDM 2006), LNCS 4231, pp. 237-246 ... problems related to database evolution is how to reflect in the data level the changes that have occurred in the conceptual schema of ...

Publication - jlloret - 04/16/2013 - 06:05 - 0 comments - 0 attachments

Defining the XML Schema Matching Problem for a Personal Schema Based Query Answering System

... for a large part, this information will become available in XML. As such, it is a valuable source of information for other users, who ... to guide them through the wealth of information. In this report, we investigate a specific information finding approach – ...

Publication - huliganka - 04/16/2013 - 05:16 - 0 comments - 0 attachments

Multitemporal Conditional Schema Evolution

... Proc. 3rd ER-Workshop Evolution and Change in Data Management (ECDM 2004), LNCS 3289 ... is the ability of the database to respond to changes in the real world by allowing the schema to evolve. The multidimensional ...

Publication - cat - 04/16/2013 - 04:16 - 0 comments - 1 attachment

Managing Schema Mappings in Highly Heterogeneous Environments

... administrators are called on to write complex mappings in which they specify in tedious detail how the data is to be transformed. Even once deployed, ...

Publication - cat - 04/16/2013 - 02:38 - 0 comments - 0 attachments