... as well as implicitly in relational databases. Since a concept lattice can be regarded as an inheritance hierarchy we propose to ... and complexity of concept analysis algorithms we provide a new algorithm tailored to our problem. The new algorithm has polynomial ...
Publication - cat - 09/13/2022 - 17:45 - 0 comments - 0 attachments
... We address the problem of integrating objects from a source taxonomy into a master taxonomy. This problem is not only currently pervasive on the web, but ...
Publication - cat - 07/03/2022 - 23:42 - 0 comments - 1 attachment
... Kosky, A.S. Author: Kosky, A Year: ...
Publication - huliganka - 07/03/2022 - 23:42 - 0 comments - 0 attachments
... Hartung, M.; Gross, A.; Rahm, E. Author: ... E Gross, A Year: ...
Publication - hartung - 01/22/2018 - 09:28 - 0 comments - 0 attachments
... 11.7 KB A methodology for extracting an extended Entity-Relationship (EER) model from a relational database is presented. Through a combination of data schema and data instance analysis, an EER model is ...
Publication - cat - 04/17/2013 - 13:27 - 0 comments - 1 attachment
... - 99 In this article, we propose a change detection approach in the context of an ontology evolution framework ... been applied. Innovative is that the framework includes a change detection mechanism that allows generating automatically a detailed ...
Publication - cat - 04/17/2013 - 13:16 - 0 comments - 0 attachments
... Mork, P; Seligman, L; Morse, M.;Rosenthal, A; Author: ... Rosenthal, A. Wolf, C. ...
Publication - cat - 04/17/2013 - 12:38 - 0 comments - 1 attachment
... 127.8 KB We demonstrate a prototype that translates schemas from a source metamodel (e.g., OO, relational, XML) to a target metamodel. The prototype is integrated with Microsoft Visual Studio ...
Publication - cat - 04/17/2013 - 12:16 - 0 comments - 1 attachment
... 11.7 KB Information integration is a key challenge faced by all major organizations, business and governmental ... formalisms and are chosen with two criteria in mind: (a) expressive power sufficient to specify interesting data interoperability ...
Publication - cat - 04/17/2013 - 11:16 - 0 comments - 1 attachment
... merging generalization hierarchies. This procedure assists a designer in defining a global view which is a view over multiple databases. The small collection of ...
Publication - cat - 04/17/2013 - 09:27 - 0 comments - 1 attachment
... range: n/a Semantic matching of schemas in heterogeneous data ... semi-automatic techniques for mapping two schemas at a time. In a large-scale scenario, where data sharing involves a large number ...
Publication - cat - 04/17/2013 - 08:05 - 0 comments - 0 attachments
... Noy, N.F.; Musen, M.A. Author: ... range: n/a As ontology development becomes a more ubiquitous ...
Publication - cat - 04/17/2013 - 07:38 - 0 comments - 0 attachments
... Noy, N.F.; Musen, M.A. Author: ... This distributed nature of ontology development has led to a large number of ontologies covering overlapping domains. In order for these ...
Publication - cat - 04/17/2013 - 05:38 - 0 comments - 0 attachments
... information between heterogeneous rep- resentations is a long standing issue. With the large spreading of cooper- ative applications ... for the automatic generation of model translations. A translation is obtained by combining a set of basic transformations and ...
Publication - paolop - 04/17/2013 - 04:38 - 0 comments - 1 attachment
... range: n/a Attachment Size ... Traditional modeling practice using the UML relies on a single fixed generalpurpose language (i.e., all UML diagrams conform to a ...
Publication - cat - 04/17/2013 - 03:05 - 0 comments - 1 attachment
... The concept of “model” is today considered as a promising technology in domains such as data and software engineering. In ... processes. Such an integration will however require a set of dedicated tools enabling to perform standard model operations onto ...
Publication - huliganka - 04/17/2013 - 00:49 - 0 comments - 1 attachment
... Sudarshan, C. S.; Rajaraman, A.; Garcia-Molina, H.; Widom, J. ... Rajaraman, A Garcia-Molina, H ...
Publication - huliganka - 04/17/2013 - 00:49 - 0 comments - 1 attachment
... These operations allows us to describe changes in a semantically more meaningful way. Since this change detection problem is NP-hard, in this paper we present a heuristic change detection algorithm that yields close to “minimal” ... is based on transforming the change detection problem to a problem of computing a minimum-cost edge cover of a bipartite graph. We study ...
Publication - huliganka - 04/17/2013 - 00:38 - 0 comments - 1 attachment
... 81.22 KB The problems of finding a longest common subsequence of two sequences A and B and a shortest edit script for transforming A into B have long been ...
Publication - huliganka - 04/16/2013 - 23:16 - 0 comments - 1 attachment
... Hartung, M.; Groß, A.; Rahm, E. Author: ... M Gross, A Rahm, E ...
Publication - hartung - 04/16/2013 - 23:05 - 0 comments - 0 attachments
... Kirsten, T.; Gross, A.; Hartung, M.; Rahm, E. Author: ... E Gross, A Year: ...
Publication - hartung - 04/16/2013 - 23:05 - 0 comments - 0 attachments
... Hartung, M.; Gross, A.; Kirsten, T.; Rahm, E. Author: ... E Gross, A Year: ...
Publication - hartung - 04/16/2013 - 22:49 - 0 comments - 1 attachment
... and composability of our approach we implemented a data translation tool and mapping export for several data manipulation ...
Publication - dk - 04/16/2013 - 22:27 - 0 comments - 0 attachments
... Lambrix, P; Edberg, A Author: ... P Edberg, A Year: ...
Publication - cat - 04/16/2013 - 21:38 - 0 comments - 1 attachment
... Buneman, P.; Davidson, S.; Kosky, A. Author: ... S Kosky, A Year: ...
Publication - huliganka - 04/16/2013 - 20:38 - 0 comments - 1 attachment
