- Schema evolution in object databases by catalogs
...
We are concerned by schema evolution in Object Oriented Databases (OODB) that is processed by a modification on the ... a new categorization of the different modifications in three categories : primitive,
composite and complexe modifications. On ...
Publication - cat - 07/03/2022 - 23:42 - 0 comments - 0 attachments
- An Architecture for Managing Database Evolution
... and extension) are available. The strategy of evolution in which our architecture is based is that of lsquoforward database ... down to the logical schema and to the extension. In order to put into practice this strategy, each component of a database is ... a translation information system is considered in order to manage the translation of conceptual elements into logical schema ...
Publication - cat - 04/17/2013 - 13:27 - 0 comments - 1 attachment
- An introduction to schema versioning in OODBMS
... 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
- A Propagation Mechanism for Populated Schema Versions
... value and their structure. As the structure is described in the schema of the database, support for schema evolution is a highly ... which can be used to perform the required changes, even in the presence of populated databases and running applications. In this paper, ...
Publication - cat - 04/17/2013 - 13:05 - 0 comments - 0 attachments
- Database application evolution: a transformational approach
... schema evolution, standard information systems currently in use raise challenging evolution problems. This paper examines database ... and describe a CASE tool that can assist developers in their task of system evolution. We illustrate our approach with Biomaze, a ...
Publication - huliganka - 04/17/2013 - 11:38 - 0 comments - 1 attachment
- A Coevolution Approach for Database Schemas and Related Ontologies
... of semantical concepts, but only technical schema changes. In this paper we present our mapping of database schemas to ontologies, ...
Publication - cat - 04/17/2013 - 11:05 - 0 comments - 0 attachments
- The PRISM Workwench: Database Schema Evolution Without Tears
... to a perpetual evolution, which is particularly pressing in Web Information Systems, due to their distributed and often collaborative ... logical independence, and auditability of the process. In fact, PRISM exploits recent theoretical results on mapping composition, ...
Publication - krlis1337 - 04/17/2013 - 11:05 - 0 comments - 0 attachments
- A Survey of Schema Evolution in Object-Oriented Databases
... 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
- A Versioning Management Model for Ontology-Based Data Warehouses
... a priori referenced by the local ontologies embedded in the various sources. When the shared ontology evolves over the time, the ... system turns to an asynchronous versioning problem. In this paper, we propose an approach and a model to deal with this problem in ...
Publication - cat - 04/17/2013 - 09:49 - 0 comments - 0 attachments
- A formal model for temporal schema versioning in object-oriented databases
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10 - 49
In this paper we present a formal model for the support of temporal schema versions in object-oriented databases. Its definition is partially based on a generic ...
Publication - fgrandi - 04/17/2013 - 08:49 - 0 comments - 0 attachments
- DB2/XML: Designing for Evolution
... and XQuery using the XML data type introduced by SQL/XML. In this tutorial we focus on DB2s XML support for schema evolution, especially ...
Publication - cat - 04/17/2013 - 08:16 - 0 comments - 1 attachment
- PRIMA: Archiving and Querying Historical Data with Evolving Schemas
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Schema evolution poses serious challenges in historical data management. Traditionally the archival data has been (i) ... or (ii) maintained under the original schema version in which they firstly appeared, leading to a perfect archival quality, but to a ...
Publication - krlis1337 - 04/17/2013 - 07:27 - 0 comments - 0 attachments
- Update Rewriting and Integrity Constraint Maintenance in a Schema Evolution Support System: PRISM++
... more difficult and have thus far remained unsolved. In this paper, we address this issue by introducing a formal evolution model ... including the Genetic DB Ensembl (410+ schema versions in 9 years), and Wikipedia (240+ schema versions in 6 years).
(Database ...
Publication - krlis1337 - 04/17/2013 - 06:49 - 0 comments - 0 attachments
- A model for schema evolution in temporal relational databases
...
CompEuro93; Computers in Design
URL:
... transaction time and valid time are added to the data. In this context, the modification of the schema which a database management ...
Publication - cat - 04/17/2013 - 06:49 - 0 comments - 0 attachments
- Managing source schema evolution in web warehouses
... of integrated Web data. One of the main challenges in these systems is to deal with the volatile and dynamic nature of Web sources. In this work we address the effects of adding/removing/changing Web sources and ...
Publication - cat - 04/17/2013 - 05:27 - 0 comments - 0 attachments
- A Taxonomy for Schema Versioning Based on the Relational and Entity Relationship Models
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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
- Research issues in database schema evolution: the road not taken.
... 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
- What-If Analysis for Data Warehouse Evolution
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10 - 49
In this paper, we deal with the problem of performing what-if analysis for changes that occur in the schema/structure of the data warehouse sources. We abstract software ...
Publication - pvassil - 04/17/2013 - 04:49 - 0 comments - 0 attachments
- Defining Metrics for Conceptual Schema Evolution
... how such stability should be observed and measured in the operational business environment with evolving information needs and ...
Publication - cat - 04/17/2013 - 04:16 - 0 comments - 1 attachment
- FIESTA: A Framework for Schema Evolution in Multidimensional Databases
... http://tumb1.biblio.tu-muenchen.de/publ/diss/in/2000/blaschka.pdf
Citations:
... Processing)deploy the multidimensional data model in order to describe the application domain. Consequently, OLAP systems are ...
Publication - cat - 04/16/2013 - 18:16 - 0 comments - 1 attachment
- MeDEA: A database evolution architecture with traceability.
... engineers (designers, developers) still have to face in their everyday work is the evolution of working database systems. As a step for the solution of this problem in this paper we propose MeDEA, which stands for Metamodel-based Database ...
Publication - jlloret - 04/16/2013 - 14:49 - 0 comments - 0 attachments
- Schema mapping evolution through composition and inversion
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of schema mappings is laborious and time-consuming, even in the presence of tools that facilitate
this development. At the same time, ... the adaptation and reuse of the existing schema mappings in the context of the
new schemas is an important research problem.
In ...
Publication - cat - 04/16/2013 - 12:16 - 0 comments - 0 attachments
- Evolution and change in data management: issues and directions
... 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
- Semantics of Database Transformations
... 323.43 KB
Database transformations arise in many different settings including
database integration, evolution of ... paper surveys approaches that have been taken to problems in these settings, assesses their strengths and weaknessesd
develops ...
Publication - erhard - 04/16/2013 - 11:38 - 0 comments - 1 attachment
- Incremental Reorganization Of Relational Databases
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The evolution of an information system is reflected in data modeling by database reorganization. Entity-Relationship (ER) ...
Publication - erhard - 04/16/2013 - 11:05 - 0 comments - 1 attachment