学术性信息收集中的 特种文献检索
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学术性信息收集中的 特种文献检索. 张 进 图书馆信息咨询部 020-85281054 2013 年 5 月 [email protected]. 信息检索的基本要求. 查全率 Precision Ratio 查准率 Recall Ratio. 如何保证文献资料的查全与查准. 检索资源. 检索技术. 检索词. 我们通常是如何选择检索资源的 ?. Baidu, Google? SCI? Elsevier CNKI ? ……??. 检索资源选择的原则. 专业性原则 专业性数据库 综合性数据库 文献类型原则 - PowerPoint PPT PresentationTRANSCRIPT
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020-85281054 [email protected]
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Precision Ratio
Recall Ratio
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?Baidu, Google?
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10(Book)Serial Publication: (ThesisDissertation) (Conference Document) (Patent Document) (Standard Document) (Technical Report) (Product Literature) (Technical Archive) (Government Publication)
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ThesisDissertation
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(CNKI)(CNKI)CalisPQDTThe ProQuest Dissertations & Theses Database
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CNKIwww.cnki.net (,IP)
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CNKI
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www.wanfangdata.com.cn(, )
CNKI
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PQDTPQDDPQDTThe ProQuest Dissertations & Theses Database
PQDT186123019807350198815018616199724
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PQDTProQuest
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ProQuest
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PQDTAnd, Not, Or: , *0, computer*computer,computers,computerize,computerizationnear/n, pre/n library NEAR/3 education: "information retrieval"
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30%
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ISI Proceedings (ISTP, ISSHP) (SCIWeb of Science)
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ISI ProceedingsISI Proceedings19906410122.5
Thomson ScientificISI Web of KnowledgeISTPISSHPISI Proceedings
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ISI ProceedingsISI Proceedings
ISTPIndex to Scientific & Technical ProceedingsISTP1978ISIInstitute for Sientific InformationIEEESPIEACM
ISSHPIndex to Social Sciences & Humanities Proceedings2800
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ISI Proceedings ISI Web of KnowledgeWeb of Science
Web of ScienceSCI ISTP ISSHP
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Web of Science
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ISI Proceedings same,not and,or) SAME *: $ 01 "information literacy"
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NTIShttp://www.ntis.govNTIS
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http://www.tech110.cn/tech/front/view/production/html/index.jsp
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1. wireless sensor network, WSN2.mobile robot, mobile robots3. facility agriculture4. greenhouse, greenhouses5. localization6. navigation
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("wireless sensor network" or WSN) and ("facility agriculture" or greenhouse*) and ("mobile robot " or "mobile robots") and (localization or navigation) ("wireless sensor network" or WSN) and ("mobile robot " or "mobile robots") and (localization or navigation)
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!
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