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In this paper, the authors present a free-and-easy data publishing and sharing system based on folksonomy. The system accepts data objects described with user-created metadata, called data units. The system supports flexible structure on the data units, and places no restrictions on the vocabulary used. The authors devise a generic table model for storing and representing the data units of various structures. They propose a framework for managing the data units and providing browsing, searching and querying services over them. They present their current approaches and discuss relevant research issues.
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