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Community-driven ontology evolution based on folksonomies

... KB The Semantic Web mission is to enable a better organization of the Web content to improve the searching, navigation ... machines, the process of creating and maintaining it is a social one: only people, for example, have necessary skills to create and ...

Publication - cat - 04/17/2013 - 03:27 - 0 comments - 1 attachment

Nested Mappings: Schema Mapping Reloaded

... Fuxman, A.; Hernandez, M.A.; Ho, H.; Miller, R.J.; Papotti, P.; Popa, L. ...

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

Schema Versioning in Data Warehouses: Enabling Cross-Version Querying via Schema Augmentation?

... of data warehousing systems are fully operational, a crucial role in preserving their up-to-dateness is played by the ability to ... spanning multiple schema versions. First, we introduce a representation of DW schemata as graphs of simple functional dependencies, ...

Publication - cat - 04/16/2013 - 22:05 - 0 comments - 1 attachment

Model-Independent Schema and Data Translation

... The approach translates both schemas and data: given a source instance I of a schema S expressed in a source model, and a target model TM, it generates ...

Publication - cat - 04/16/2013 - 03:38 - 0 comments - 1 attachment