... 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
... 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
... solutions for them. (Journal, no paper type, OA in the Life Sciences) ...
Publication - hartung - 04/17/2013 - 03:16 - 0 comments - 1 attachment
... 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
... schema evolution, standard information systems currently in use raise challenging problems when evolution is concerned. This paper ... and describes a CASE tool that can assist developers in their task of system evolution. (info.fundp.ac.be) ...
Publication - cat - 04/16/2013 - 17:38 - 0 comments - 1 attachment
... KB Mappings between ontologies are changes in the ontologies. In this explain a mechanism to define modular and mappings in a way that ...
Publication - cat - 04/16/2013 - 13:05 - 0 comments - 1 attachment
... Sachverhalte. Mit Hilfe solcher Modelle kann der Mensch in seiner tglichen Arbeit untersttzt werden. So gibt es z. B. Datenbankschemata ...
Publication - cat - 04/16/2013 - 11:16 - 0 comments - 1 attachment
... inference is discussed. (Conference, no paper type, OA in the Life Sciences) ...
Publication - hartung - 04/16/2013 - 08:05 - 0 comments - 0 attachments
... for data representation and data exchange over the web. In many applications a schema is associated with an XML document to specify and ... The schema may change over time to reflect a change in the real-world, a change in the user's requirements, mistakes or missing ...
Publication - cat - 04/16/2013 - 06:49 - 0 comments - 1 attachment
... complete prototype of a generic model-management system, in which high-level operators are used to manipulate models and mappings ...
Publication - admin - 04/16/2013 - 03:27 - 0 comments - 1 attachment
... 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
... 10 - 49 In this chapter, three semantics-based schema conversion methods are presented: ...
Publication - cat - 04/16/2013 - 01:05 - 0 comments - 0 attachments
... technical report describes how IQL queries are processed in the AutoMed heterogeneous data integration system, and also how data ... supported. We start with an outline of the IQL language in Section 2. We then consider in Section 3 an abstract representation of this ...
Publication - huliganka - 04/16/2013 - 00:49 - 0 comments - 0 attachments
... Cantor, MN; Sarkar, IN; Gelman, R; F Hartel, O .. Author: ... MN Sarkar, IN Gelman, R ...
Publication - cat - 04/15/2013 - 21:49 - 0 comments - 0 attachments
... 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
... 281.43 KB In this paper we present a proposal for safely evolving a software sys- tem ... of the system to be adapted. The evolution takes place in two steps: first a meta-object, called evo- lutionary meta-object, plans a ...
Publication - cat - 04/15/2013 - 21:16 - 0 comments - 1 attachment
