... even altogether schema-free. They allow to store datasets in different structural versions to co-exist. Yet even when the database ... about the structure of the stored data. For instance, in Figure 1, the Java code in lines 1 through 9 implies a schema: An entity for ...
Publication - cat - 04/17/2022 - 19:15 - 0 comments - 0 attachments
... also allow practitioners to evaluate their potential use in particular change scenarios. As an initial step towards this taxonomy, the ...
Publication - cat - 07/26/2016 - 16:40 - 0 comments - 0 attachments
... management systems (OODBMS) have enormous advantages in comparison to relational systems in modeling highly complex and dynamic application scenarios. Still they lack ...
Publication - cat - 04/17/2013 - 13:16 - 0 comments - 0 attachments
... This aspect has been acknowledged and long studied in the field of temporal databases but it truly applies also to the World Wide ... a primary issue yet. However, several papers addressing, in an explicit or implicit way, the representation and management of time and ...
Publication - cat - 04/17/2013 - 12:49 - 0 comments - 1 attachment
... 10 - 49 Changes in the real world may require both the database population and the database schema to evolve. Particularly, this is the case in CAD/CAM and CASE database systems, in which the design objects constantly ...
Publication - erhard - 04/17/2013 - 10:05 - 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
... Recently there has been increasing interest in both the problems and the potential of accommodating evolving schema in databases, especially in systems which necessitate a high volume of ...
Publication - cat - 04/17/2013 - 05:05 - 0 comments - 0 attachments
... perspectives. Researchers have examined schema evolution in single stand-alone databases and schema evolution in an integrated heterogeneous set of databases has received little attention. ...
Publication - cat - 04/17/2013 - 05:05 - 0 comments - 0 attachments
... mainly domain knowledge. As the use of ontologies in several kinds of ISs increased in the recent years significantly, the question of how to maintain these ...
Publication - hartung - 04/17/2013 - 01:27 - 0 comments - 1 attachment
... evolution, an area which has recently gained much interest in both research and practice. (Schema Evolution, Sigmod Record, Survey / ...
Publication - admin - 04/16/2013 - 22:49 - 0 comments - 1 attachment
... 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
... 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
... aspects of ontologies. This is particularly crucial in distributed and collaborative settings such as the Semantic Web, where ... problem of evolution of interorganisational ontologies. In this “complex” and dynamic setting, a collaborative change process model ...
Publication - cat - 04/16/2013 - 19:49 - 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
... and database systems is that they change. Moreover, in so doing they evolve, although the manner and quality of this evolution is highly dependent on the mechanisms in place to handle it. While changes in data are handled well, changes in other ...
Publication - cat - 04/16/2013 - 11:38 - 0 comments - 1 attachment
... 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
... 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
Authors: Hartung, M.; Terwilliger, J.; Rahm, E. Author: Hartung, M ...
Publication - hartung - 04/16/2013 - 02:05 - 0 comments - 0 attachments
... 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
