Search: in, no paper type, 2002

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Managing Multiple Ontologies and Ontology Evolution in Ontologging.

... applications building on Semantic Web technology. In this paper we first present the conceptual architecture underlying ...

Publication - cat - 06/15/2023 - 14:51 - 0 comments - 0 attachments

Schema Evolution in Heterogeneous Database Architectures, A Schema Transformation Approach

... integration and schema evolution into one framework. In previous work we have developed a general framework to support schema transformation and integration in heterogeneous database architectures. Here we show how this framework also ...

Publication - cat - 09/13/2022 - 17:45 - 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

Learning to Map between Ontologies on the Semantic Web

... the Web scale. Hence, the development of tools to assist in the ontology mapping process is crucial to the success of the Semantic ... find such mappings. Given two ontologies, for each concept in one ontology glue finds the most similar concept in the other ontology. We ...

Publication - admin - 04/17/2013 - 13:05 - 0 comments - 0 attachments

Usage-Oriented Evolution of Ontology-Based Knowledge Management Systems

... 23.88 KB Abstract. In this paper, we present a novel approach for the management of the ... management system. It extends our previous work in the ontology evolution by taking into account the usage of the ontology in the knowledge management system. The approach is mainly based on the ...

Publication - erhard - 04/17/2013 - 09:05 - 0 comments - 1 attachment

Schema evolution in data warehouses

... 50 - 99 In this paper, we address the issues related to the evolution and maintenance ... sources. The data of the data warehouse is used primarily in organizational decision-making and may be strategic. Therefore, the schema ...

Publication - erhard - 04/17/2013 - 09:05 - 0 comments - 0 attachments

User-Driven Ontology Evolution Management

... ontology must be evolved as well. As ontologies grow in size, the complexity of change management increases, thus requiring a well-structured ontology evolution process. In this paper we identify a possible six-phase evolution process and focus on ...

Publication - erhard - 04/17/2013 - 08:05 - 0 comments - 1 attachment

Managing Schema Change in an Heterogeneous Environment

... (or view). However, existing support is lacking in two ways. First, change primitives as presented in literature are very limiting in terms of their capabilities allowing users ...

Publication - cat - 04/17/2013 - 06:38 - 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

Effiziente Verträglichkeitsprfung und automatische Migration von Workflow-Instanzen bei der Evolution von Workflow-Schemata

... KB Sollen Workflow-Management-Systeme (WfMS) in umfassender Weise fur die rechnerbasierte Verwaltung und Steuerung von ... wo gewnscht und mglich auch auf die bereits (vielleicht in groer Zahl) laufenden Workflow-Instanzen bertragen werden sollen. Dies bei ...

Publication - cat - 04/16/2013 - 11:05 - 0 comments - 1 attachment

An Active Approach to Model Management for Evolving Information Systems

... Proc. ER-Workshop Evolution and Change in Data Management (ECDM 2002), LNCS 2784 (2003) ... interchange facilitates cooperative development, helps in avoiding legacy problems when adopting new tools, and permits the use of ...

Publication - cat - 04/16/2013 - 03:49 - 0 comments - 1 attachment

The EVE approach: view synchronization in dynamic distributed environments

... construction and maintenance of data warehouses (views) in large-scale environments composed of numerous distributed and evolving ... the problem of schema changes of ISs, while previous work in this area, such as incremental view maintenance, has mainly dealt with data ...

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

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