Search: in, Schema Evolution, no paper type, n/a

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The CVS Algorithm for View Synchronization in Evolvable Large-Scale Information Systems

... Current view technology supports only static views in the sense that views become undefined and hence obsolete as soon as the ... view definitions to be dynamically evolved to keep them in synch with evolving ISs. We present in this paper a general strategy for the ...

Publication - cat - 04/17/2013 - 12:27 - 0 comments - 1 attachment

Co-transformations in Database Applications Evolution

... Generative and Transformational Techniques in Software Engineering, Lecture Notes in Computer Science 4143, 2006 URL:  ...

Publication - acleve - 04/17/2013 - 11:38 - 0 comments - 1 attachment

Schema Transformation Techniques for Database Reverse Engineering

... DBRE is proposed as a two-phase process consisting in recovering the DBMSdependent data structures (data structure extraction) then in recovering their semantics (data structure conceptualization). The second ...

Publication - cat - 04/17/2013 - 09:38 - 0 comments - 1 attachment

Collaborative and Usage-driven Evolution of Personal Ontologies

... science literature, Amazon product taxonomy, etc.). As in heterogenous communities users typically will use different parts of such ... between own preferences and the one of other people. In this paper we adapt a collaborative filtering recommender system to assist ...

Publication - erhard - 04/17/2013 - 09:27 - 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

Object-Oriented Software Evolution

... keep the programs flexible and short, they are described in terms of propagation patterns. Each phase of an evolution history is tested in small steps that are constrained by class dictionary graphs belonging to a ...

Publication - erhard - 04/17/2013 - 08:49 - 0 comments - 0 attachments

Schemaevolution und Adaption von XML-Dokumenten und XQuery-Anfragen

... as a data exchange format or it is used for data storage in database systems and distributed information systems. While the usage of ...

Publication - cat - 04/17/2013 - 07:38 - 0 comments - 0 attachments

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

Towards quality-oriented data warehouse usage and evolution

... provide high level quality of data and quality of service. In the DWQ project we have proposed an architectural framework and a repository ... metadata which describes all the data warehouse components in a set of metamodels to which is added a quality metamodel, defining for each ...

Publication - cat - 04/17/2013 - 05:27 - 0 comments - 1 attachment

Database Schema Evolution through the Specification and Maintenance of Changes on Entities and Relationships

... database system needs to support changes to its schema in order to facilitate the requirements of new applications and to support interoperability within a multidatabase system. In this paper, we present an approach to schema evolution through changes to ...

Publication - erhard - 04/17/2013 - 05:16 - 0 comments - 0 attachments

DSMDiff: A Differentiation Tool for Domain-Specific Models

... of domain-specific models has not been explored deeply in the modeling community. Traditional modeling practice using the UML relies ... (i.e., all UML diagrams conform to a single metamodel). In contrast, Domain- Specific Modeling (DSM) is an emerging model-driven ...

Publication - cat - 04/17/2013 - 03:05 - 0 comments - 1 attachment

SQL/SE: a query language extension for databases supporting schema evolution

... an SQL extension capable of handling schema evolution in relational database systems. (no paper type, relational, Sigmod Record) ...

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

Schema and Database Evolution in the O2 Object Database System

... system is modified, the database needs to be changed in such a way that the schema and the database remain consistent with each other. This paper describes the algorithm implemented in the new forthcoming release of the O2 object database for automatically ...

Publication - cat - 04/16/2013 - 11:27 - 0 comments - 1 attachment

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

A framework for schema updates in an object-oriented database system

... schema is defined and the problems which need to be solved in order to obtain a usable schema update mechanism are shown. The distinction ... and behavioral consistency for the O2 system is described in some detail and it is demonstrated how updates could be performed by ...

Publication - cat - 04/16/2013 - 08:16 - 0 comments - 0 attachments