... systems support updates operations via special APIs. In all update languages the content and the structure of documents can be ... the XML schema after or during accomplishing an update. In this article, we suggest different architectures for processing such ...
Publication - cat - 06/15/2023 - 14:51 - 0 comments - 0 attachments
... cost and effort required for maintaining the federation in a consistent state after its launch. If only human intervention is to be ... of change at both local and federal conceptual levels in interoperating database systems. The basis for the model is the exploitation ...
Publication - cat - 04/17/2013 - 10:05 - 0 comments - 0 attachments
... and schema objects is badly needed by us all, especially in complex, multi-enterprise development situations. This paper describes how ... and schema development are essentially synonymous, in that the applicable techniques and requisite technology are the same for ...
Publication - cat - 04/17/2013 - 08:16 - 0 comments - 0 attachments
... It is assumed that the source programs are written in Java, hence the preconditions are consequences of the language rules of ... port new applications. A running application is envisaged in terms of its navigation along certain HAS-A and IS-A links. The term ...
Publication - cat - 04/16/2013 - 18:05 - 0 comments - 1 attachment
... Proc. 3rd ER-Workshop Evolution and Change in Data Management (ECDM 2004), LNCS 3289 ... 1 - 9 One of the main challenges in data integration systems is the maintenance of the mappings between the ...
Publication - cat - 04/16/2013 - 08:49 - 0 comments - 0 attachments
... or changing parts of the language. Making versioning work in practice is one of the most difficult problems in computing, with a long history of failed attempts. Arguably one reason why ...
Publication - cat - 04/16/2013 - 05:05 - 0 comments - 0 attachments
... 1 - 9 In this paper, we propose a schema versioning mechanism to manage the schema evolution in temporal object-oriented databases. The schema evolution management uses an ...
Publication - cat - 04/16/2013 - 04:38 - 0 comments - 0 attachments
... of knowledge construction and modeling premises. In this paper, we first consider the fundamental issues of conceptual relations ...
Publication - cat - 04/16/2013 - 04:16 - 0 comments - 0 attachments
... Proc. Research Issues in Data Engineering (RIDE) URL: ...
Publication - cat - 04/16/2013 - 03:38 - 0 comments - 0 attachments
... the myriad of possible change semantics a user may desire in the future, any pre-defined set is not sufficient. Rather we present a ... invariants, can be a very expensive re-engineering effort. In this paper we present an approach that de-couples the constraints from the ...
Publication - cat - 04/16/2013 - 02:49 - 0 comments - 1 attachment
... 1 - 9 In this paper, we propose a methodology for managing database evolutions by ... The first ontology describes the changes occurring in a database application. The second one aims at characterizing techniques and ...
Publication - cat - 04/16/2013 - 02:38 - 0 comments - 0 attachments
... versioning, and emulation at the instance level). In addition, we introduce the concept of class/schema version pertinence ...
Publication - cat - 04/16/2013 - 01:38 - 0 comments - 0 attachments
... integrity of and dependencies between product data created in many different engineering applications. Most of these applications support ... of drawings and documents. Consequently, federations in engineering environments have to provide version management on their global ...
Publication - cat - 04/16/2013 - 01:27 - 0 comments - 0 attachments
... Ontologies have become very popular in life sciences and other domains. They mostly undergo continuous changes and ... studies do not consider the ontology changes reflected in different versions but typically limit themselves to a specific ontology ...
Publication - hartung - 04/16/2013 - 00:38 - 0 comments - 0 attachments
... Proc. of 13. GI-Fachtagung für Datenbanksysteme in Business, Technologie und Web (BTW) ... and more robust ontology mappings. The approach is generic in that it can be applied independently from the utilized match technique. We ...
Publication - hartung - 04/16/2013 - 00:16 - 0 comments - 1 attachment
... usually show a high degree of heterogeneity and change in their metadata. We propose a platform for collaborative management and ...
Publication - hartung - 04/16/2013 - 00:05 - 0 comments - 0 attachments
... are designed for loosely coupled systems, which means that in many cases it is not possible to synchronously upgrade all peers of a Web ... Instead, Web Service peers should be able to coexist in different versions. Additionally, older software versions often could ...
Publication - cat - 04/15/2013 - 23:49 - 0 comments - 0 attachments
... 583.01 KB In our emerging digital paper-less society, massive amount of information is being maintained in on-line repositories and diverse web site representations of this ... two representative sample applications with such needs. In this paper we present a database-centric approach called Re-Web that ...
Publication - cat - 04/15/2013 - 22:16 - 0 comments - 1 attachment
... If not performed with care, updates can cause problems. In this paper, we present a procedure which safely adds a fact type to a ...
Publication - cat - 04/15/2013 - 21:38 - 0 comments - 1 attachment
... parts -- is called versioning. To make versioning work in practice is one of the most difficult problems in computing, with a long history of failed attempts. Arguably, the Web rose ...
Publication - cat - 04/15/2013 - 20:05 - 0 comments - 0 attachments
