Schema Evolution publication categorizer

... way concepts are presented to users, their layout, etc. In particular, we pursue in this paper the notion of precedence, in which temporal constraints determine ...

Publication - avigal - 04/17/2013 - 01:49 - 0 comments - 1 attachment

... 165.28 KB In this article, we propose a new ontology evolution approach that combines a ... throughout their lifetime (called virtual versions). In this way, changes can be defined in terms of these virtual versions. (vub.ac.be) ...

Publication - hartung - 04/17/2013 - 01:38 - 0 comments - 1 attachment

... transformations. Schema matching is a critical strep in structured document transformations. Manual matching is expensive and ... matching process and thus the transformation process. In this paper, we contributed in both understanding the matching problem in ...

Publication - huliganka - 04/17/2013 - 00:05 - 0 comments - 1 attachment

... generalization of the elements of concrete metamodels in generic metaclasses would loose some of the specific features of the metamodels, or yield a prohibitive number of metaclasses in the GMM. To avoid these problems, we propose the Generic Role Based ...

Publication - admin - 04/16/2013 - 14:38 - 0 comments - 1 attachment

... when given simple correspondences from table columns in a relational schema to datatype properties of classes in an on- tology. Although the algorithm presented is necessarily heuristic, ...

Publication - admin - 04/16/2013 - 14:05 - 0 comments - 1 attachment

... 202.75 KB . Much data is published on the Web in XML format satisfying schemas, and to make the Semantic Web a reality, such ... from XML schema attributes to datatype properties in the ontology. To accomplish this, we first offer a mapping formalism to ...

Publication - admin - 04/16/2013 - 13:49 - 0 comments - 1 attachment

... We argue that the proposed dataset can play a key role in supporting the empirical analysis for the research effort in the area of taxonomy matching. (dit.unitn.it, itc.it) ...

Publication - admin - 04/16/2013 - 13:49 - 0 comments - 1 attachment

... techniques and evaluate them on real-life ontologies in the domain of food. Furthermore we propose a method to combine ...

Publication - admin - 04/16/2013 - 13:38 - 0 comments - 1 attachment

... 1.58 MB In this paper we describe a novel approach to the visualization of the mapping ...

Publication - admin - 04/16/2013 - 13:16 - 0 comments - 1 attachment

... representation of multiple data sources. The core problems in schema integration are: schema matching, i.e. the identification of ... certain of its correctness. However, this is impossible in general, thus a human expert always has to validate or modify it. In this ...

Publication - cat - 04/16/2013 - 12:49 - 0 comments - 0 attachments

... 186.02 KB In this paper we investigate the problem of XML Schema evolution. We first ...

Publication - cat - 04/16/2013 - 12:38 - 0 comments - 1 attachment

... merging, also called view integration, is a key problem in conceptual modeling. Large models are often constructed and accessed by ... sources and to the merge assumptions related to them. In this paper, we present a framework for merging incomplete and inconsistent ...

Publication - cat - 04/16/2013 - 07:05 - 0 comments - 0 attachments

... require that mappings be executable, expressed in SQL, XSLT, or other data transformation languages. In this paper, we develop a semantics for model-management operators that ...

Publication - admin - 04/16/2013 - 03:27 - 0 comments - 1 attachment

... data integration, and other data management tasks. In many applications, mappings are given by embedded dependencies. In this paper, we study the issues involved in composing such mappings. Our ...

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