Ding Pan

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Ontology plays the central role in the information system. A novel framework for data mining process is proposed, using ontology repository to integrate domain knowledge. Ontobase Ontology Repository is an implementation of our design to allow users and agents to retrieve ontologies and metadata through open Web standards and ontology service. Key features(More)
As a new paradigm for data warehousing demanded by today's decision support community, DW 2.0 recognized the life cycle of data with it, that make metadata evolution mechanism became one of the important research issues. The requirements of multi-version management for four data sectors in DW 2.0 environment are described. Then a novel metadata versioning(More)
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