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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

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