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Data schema evolution support in XML-relational database systems

... level, require modifications of the data schemas in the course of time. Schema evolution is one of the ways to support schema ... problem for which is also known as schema adaptation. In this paper, a survey of various approaches to solving the outlined problems ...

Publication - erhard - 04/16/2013 - 20:05 - 0 comments - 0 attachments

Online reorganization of databases

... a14-sockut.pdf 865.38 KB In practice, any database management system sometimes needs reorganization, that is, a change in some aspect of the logical and/or physical arrangement of a database. In ...

Publication - cat - 04/16/2013 - 19:49 - 0 comments - 1 attachment

Schema evolution in object-oriented database systems

... 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

A Comparative Analysis of Methodologies for Database Schema Integration

... nonredundant, unified representation of all data managed in an organization. This is achieved only when methodologies are available to ... then a comparative review of the work done thus far in this area. Such a framework, with the associated analysis of the existing ...

Publication - admin - 04/16/2013 - 12:49 - 0 comments - 1 attachment

Methods in biomedical ontology

... Research on ontologies is becoming widespread in the biomedical informatics community. At the same time, it has become ... ontologies have proven more difficult than many workers in the field initially expected. Discovering general, feasible methods has thus ...

Publication - hartung - 04/16/2013 - 09:16 - 0 comments - 0 attachments

Version models for software configuration management

... After more than 20 years of research and practice in software configuration management (SCM), constructing consistent ... such as revisions, variants, configurations, and changes. In particular, we focus on intensional versioning, that is, construction of ...

Publication - cat - 04/16/2013 - 07:38 - 0 comments - 0 attachments

A Survey of Schema Versioning Issues for Database Systems

... 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

A survey of software refactoring

... We provide an extensive overview of existing research in the field of software refactoring. This research is compared and discussed ...

Publication - cat - 04/16/2013 - 01:38 - 0 comments - 0 attachments

Semantic Problems of Thesaurus Mapping

... 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