Search: in, Model Management, 2009, 10 - 49

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Generic Schema Mappings for Composition and Query Answering

... 10 - 49 In this article we present extensional mappings, that are based on second order tuple generating dependencies between models in our Generic Role-based Metamodel GeRoMe. Our mappings support data ...

Publication - dk - 04/16/2013 - 22:27 - 0 comments - 0 attachments

Knowledge accumulation through automatic merging of ontologies

... 10 - 49 In order to compute intelligent answers to complex questions, using the vast amounts of information existing in the Web, computers have (1) to translate such knowledge, typically from text ...

Publication - cat - 04/16/2013 - 09:49 - 0 comments - 0 attachments

Top-k generation of integrated schemas based on directed and weighted correspondences

... from the schema matching process, that is, the weights and in some cases the directions that are associated with the correspondences. In this paper, we propose a more automatic approach to schema integration that ...

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

Inverting Schema Mappings: Bridging the Gap between Theory and Practice

... of a general framework for metadata management. In fact, during the last years three alternative notions of inversion for ... practical applicability. First, these algorithms work in exponential time and produce inverse mappings of exponential size. Second, ...

Publication - hartung - 04/15/2013 - 23:38 - 0 comments - 1 attachment