Hsiu-hsen Yao

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Conventional database(system) query languages, such as SQL, etc., are not useful for text (document) retrievals, since they m designed for table manipulation. For instance, SQL only provides LIKE command for limited term matching capabilities. In additiow conventional relational (data) model does not suppofi document type such as non-first-normal-form [3],(More)
Composite documents, with their semi-structures, become an active research topics recently. A document is called composite document if related data are deposited with various formats in one or different files. A document is named semi-stnrctured if it consists of markup elements (i.e., document pieces), the attributes of these elements, hyperlinks among(More)
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