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 Presentation

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  • 020-85281054 [email protected]

  • Precision Ratio

    Recall Ratio

  • ?Baidu, Google?

    SCI?

    Elsevier

    CNKI

    ??

  • + +

  • 10(Book)Serial Publication: (ThesisDissertation) (Conference Document) (Patent Document) (Standard Document) (Technical Report) (Product Literature) (Technical Archive) (Government Publication)

  • ThesisDissertation

  • (CNKI)(CNKI)CalisPQDTThe ProQuest Dissertations & Theses Database

  • CNKIwww.cnki.net (,IP)

  • CNKI

  • www.wanfangdata.com.cn(, )

    CNKI

  • PQDTPQDDPQDTThe ProQuest Dissertations & Theses Database

    PQDT186123019807350198815018616199724

  • PQDTProQuest

  • ProQuest

  • PQDT

  • PQDT

  • PQDTAnd, Not, Or: , *0, computer*computer,computers,computerize,computerizationnear/n, pre/n library NEAR/3 education: "information retrieval"

  • ProQuestProQuestPQDT2002ProQuest

  • ConferenceSymposiumConventionWorkshopMeetingCongressAssembly ProceedingSymposiumPapersTransactionReportsRecords

  • 30%

  • CNKIwww.cnki.net

    www.wanfangdata.com.cn

    ISI Proceedings (ISTP, ISSHP) (SCIWeb of Science)

  • ISI ProceedingsISI Proceedings19906410122.5

    Thomson ScientificISI Web of KnowledgeISTPISSHPISI Proceedings

  • ISI ProceedingsISI Proceedings

    ISTPIndex to Scientific & Technical ProceedingsISTP1978ISIInstitute for Sientific InformationIEEESPIEACM

    ISSHPIndex to Social Sciences & Humanities Proceedings2800

  • ISI Proceedings ISI Web of KnowledgeWeb of Science

    Web of ScienceSCI ISTP ISSHP

  • Web of Science

  • SCIISTP ISSHP

  • ISI Proceedings same,not and,or) SAME *: $ 01 "information literacy"

  • ISI Proceedings Proceedings7

  • http://www.chinameeting.comhttp://211.68.23.76http://www.chinainfo.gov.cnAtlas Conferencehttp://atlas-conferences.comCalendar of Upcoming Technical Conferenceshttp://www.techexpo.com/eventsInternet Conference Calendarhttp://www.mojam.comEurope Research Conferenceshttp://www.esf.org/eurescoWebRefhttp://www.webreference.com/internet/conferences.html

  • Patent

    patent rightpatent technologyPatent DocumentPatent Literature

  • 956040

    ,

  • : Title

    : Abstract

    : Claim

  • ()

    DWPIDerwent World Patents Index

    DIIDerwent Innovations Index,

  • *Derwent World Patents Index (DWPI)

  • (http://www.sipo.gov.cn) (http://worldwide.espacenet.com ),Google Patents (http://www.uspto.gov ) http://www.google.com/patents(http://www.ipdl.inpit.go.jp/homepg_e.ipdl)

  • www.sipo.gov.cn

  • and and

  • PDF

  • *2. ()http://worldwide.espacenet.com

  • (bladeless or vaneless ) and fan

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  • 3.http://www.uspto.gov/patents/process/search/index.jsp

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  • *http://www.google.com/patents

  • *5.http://www.ipdl.inpit.go.jp/homepg_e.ipdl

  • *

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  • StandardSpecificationRulesInstructionPraction++ GB 2733-2005, BS 6819-1987, ISO 4000-1:2013(/T)

  • CNKIPerinorm HIS ISOIECITUTechStreetNSSN ASCEASMEASTMIEEEIEE SAE

  • http://www.sac.gov.cn/

  • (www.cssn.net.cn)

  • TechStreet :http://www.techstreet.com/

  • NSSNhttp://www.nssn.org/default.aspx

  • http://www.bzmfxz.com/Index.html

  • Scientific & Technical Reports

  • NTISNTISNational Technical Information Servicehttp://www.ntis.gov

    NTIShttp://www.ntis.govNTIS

  • CNKI,www.cnki.net(,www.wanfangdata.com.cn)()

  • http://www.tech110.cn/tech/front/view/production/html/index.jsp

  • : EiAGRIS CAB AGRICOLA BP CNKI, Web of Sciecne(SciISTPElsevier SDOL Springer.

  • 1. wireless sensor network, WSN2.mobile robot, mobile robots3. facility agriculture4. greenhouse, greenhouses5. localization6. navigation

  • or WSNand and ( or ) and ( or ) and and ( or )

    ("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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  • *****