Schema Evolution publication categorizer

... mappings into SQL views to reassemble the objects stored in relational tables. Second, it offers interactive editing, i.e., incremental ...

Publication - cat - 04/17/2013 - 12:16 - 0 comments - 1 attachment

... “model” is today considered as a promising technology in domains such as data and software engineering. In the field of model engineering, models are now viewed as firts-class ...

Publication - huliganka - 04/17/2013 - 00:49 - 0 comments - 1 attachment

... 676.21 KB In this article, we develop a relational algebra for metadata integration, ... where the number of relations and/or the number of columns in relations of the output varies dynamically with the input instance. Among ... generalized dynamic output schemas, where the values in any (fixed) number of input columns can determine output schemas.Further ...

Publication - cat - 04/16/2013 - 18:27 - 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

... 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

... mapping categories (classes) from a source to classes in a master taxonomy. Most of techniques, however, ignore the hierarchical structure taxonomies. In this paper, we propose a maximum likelihood based framework which exploits ...

Publication - cat - 04/15/2013 - 23:05 - 0 comments - 1 attachment

... measure derived from linguistic cues. We present in this paper a linguistic information based approach to ontology merging and ... based on two observations: majority of concept names used in ontology are composed of multiple-word combinations, and ontologies designed ...

Publication - cat - 04/15/2013 - 22:38 - 0 comments - 0 attachments

... overlapping parts. Currently, there are many domain areas in Computer Science interested in this topic. Federated Databases and Semantic Web are some of them. In this ...

Publication - cat - 04/15/2013 - 22:38 - 0 comments - 0 attachments