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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

Data Reverse Engineering using System Dependency Graphs

... with the use of program understanding methods and tools. In this paper, we focus on the program slicing technique and we show how it can ...

Publication - acleve - 04/17/2013 - 12:05 - 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

Semantic Web Complex Ontology Mapping

... semantic relations. Ontology mapping faces new challenges in the context of Semantic Web, especially concerning heterogeneity, dynamics, ... are being validated. MAFRA Toolkit is being applied in the European project Harmonise, which aims to provide solutions for (semi-) ...

Publication - admin - 04/16/2013 - 19:27 - 0 comments - 1 attachment

Understanding class evolution in object-oriented software

... 10 - 49 In the context of object-oriented design, software systems model real-world entities abstractly represented in the system classes. As the system evolves through its lifecycle, its class ...

Publication - cat - 04/16/2013 - 09:27 - 0 comments - 0 attachments

Aligning representations of anatomy using lexical and structural methods

... inference is discussed. (Conference, no paper type, OA in the Life Sciences) ...

Publication - hartung - 04/16/2013 - 08:05 - 0 comments - 0 attachments

A Randomized Approach for the Incremental Design of an Evolving Data Warehouse

... views that determine its schema and its content in terms of the schema and the content of the data sources. DW applications ... against the cost of maintaining the materialized views. In an evolving DW application, new queries need to be answered by the DW. An ...

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

Managing Schema Evolution Using a Temporal Object Model

... histories of the schema objects should be traceable. In this paper we propose a method for managing schema changes by exploiting ...

Publication - cat - 04/16/2013 - 03:38 - 0 comments - 0 attachments

Multiobjects to Ease Schema Evolution in an OODBMS

... mechanism is a pertinent way to implement specialization in an object database and differs from the classical mechanism used in most object-oriented database systems. It supports multiple instantiation, ...

Publication - cat - 04/16/2013 - 02:38 - 0 comments - 1 attachment

A Unified Framework for Supporting Dynamic Schema Evolution in Object Databases

Authors:  Benatallah, B Author:  Benatallah, B Year:  ...

Publication - cat - 04/16/2013 - 02:27 - 0 comments - 1 attachment

Publishing and querying the histories of archived relational databases in XML

... There is much current interest in publishing and viewing databases as XML documents. The general benefits of ... for visualizing and processing information encoded in this universal standard. In this paper, we explore the additional and unique ...

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

A Framework for Managing Schema Versioning in Object-Oriented Databases

... that alternative schema perspectives seems to be needed, in addition to revision-like changes. The primary goal is to support change ...

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

Schema Conversion Methods between XML and Relational Models

... 10 - 49 In this chapter, three semantics-based schema conversion methods are presented: ...

Publication - cat - 04/16/2013 - 01:05 - 0 comments - 0 attachments

Schema evolution in data warehousing environments: a schema transformation-based approach

... 785.12 KB In heterogeneous data warehousing environments, autonomous data sources are ... data sources and the integrated database may be expressed in different modelling languages. It is possible for either the data source ... of the schema, or evolution of the modelling language in which the schema is expressed, or both. In such scenarios, it is important ...

Publication - cat - 04/15/2013 - 22:49 - 0 comments - 1 attachment

Incremental Maintenance of Schema-Restructuring Views

... 252.55 KB An important issue in data integration is the integration of semantically equivalent but ... source restructuring for such databases have been proposed in the literature, such as the SQL extension SchemaSQL. However, the issue of incremental maintenance of views defined in such languages remains an open problem. We present an incremental view ...

Publication - cat - 04/15/2013 - 22:27 - 0 comments - 1 attachment

Managing the Evolution of Mediation Queries

... 918.38 KB revious works in data integration can be classified according to the approach used to define ... limit of this approach is the management of the evolutions in the system. Indeed, each time a change occurs at the source schema level, ...

Publication - cat - 04/15/2013 - 21:16 - 0 comments - 1 attachment