颁布单位：[the University of Pittsburgh] |  颁布时间：2012 |  实施时间：2012 |  学科分类：[Ontology, Learning,, Ontology, Enrichment,, Knowledge, acquisition, and, extraction,, Natural, Language, Processing,, Information, Extraction,, Ontology, Learning, Evaluation]

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颁布单位：[University:California Institute of... |  颁布时间：2007 |  实施时间：2007 |  学科分类：[Natural, Language,, Distributed, Knowledge,, World-Wide, Web,, Universal, Information, Locator,, NLP, Query,, Distributed, Information, Gathering., Mixed-Media, Ontology]

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