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... 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
... 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
... 0 Citations 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
... Lambrix, P; Edberg, A Author: ... P Edberg, A Year: ...
Publication - cat - 04/16/2013 - 21:38 - 0 comments - 1 attachment
... Kotis, K.; Vouros, G. A.; Stergiou, K. Author: ... source ontologies to their intended meanings. We propose a series of methods for ontology mapping (towards merging) with varying degrees ...
Publication - admin - 04/16/2013 - 14:38 - 0 comments - 1 attachment
... how the mapping composition algorithm is used to produce a direct mapping between schemas from independently produced schema-to-ontology ... shows that composing semantic mappings results in a more accurate composition result compared to composing mappings as morphisms. ...
Publication - admin - 04/16/2013 - 07:16 - 0 comments - 1 attachment
... View merging, also called view integration, is a key problem in conceptual modeling. Large models are often constructed and ... views, but it is important to be able to consolidate a set of views to gain a unified perspective, to understand interactions ...
Publication - cat - 04/16/2013 - 07:05 - 0 comments - 0 attachments
... in order to answer important business questions, creating a need for integration of web-based XML data. Previous web-based data ... exclusively on the logical level of data models, creating a need for techniques that focus on the conceptual level in order to ... structure and properties of the available data to users at a higher level of abstraction. The most widely used conceptual model at the ...
Publication - cat - 04/16/2013 - 04:38 - 0 comments - 1 attachment
... We show how transformation rules can be expressed us-ing a modest extension of the Object Constraint Language of the UML stan-dard, and ...
Publication - cat - 04/16/2013 - 03:49 - 0 comments - 1 attachment
... methods are presented: 1) CPI converts an XML schema to a relational schema while preserving semantic constraints of the original XML schema, 2) NeT derives a nested structured XML schema from a flat relational schema by repeatedly ...
Publication - cat - 04/16/2013 - 01:05 - 0 comments - 0 attachments
... as one of the fundamental operators for the development of a general framework for metadata management. In fact, during the last years ... include features that are difficult to use in practice. A typical example is the use of disjunction in the conclusion of the mapping ...
Publication - hartung - 04/15/2013 - 23:38 - 0 comments - 1 attachment