1.1  信息及其在学术研究中作用 1.2  信息检索的概念及原理 1.3...

Click here to load reader

Upload: justina-wilcox

Post on 03-Jan-2016

147 views

Category:

Documents


12 download

DESCRIPTION

1  信息检索概述. 1.1  信息及其在学术研究中作用 1.2  信息检索的概念及原理 1.3  数字信息资源检索技术 1.4 信息检索的步骤 1.5 检索效果 的 评价 1.6 科技查新概念及其检索方法. 1.1  信息及其相关概念. 1.1.1 信息的概念、基本属性和特征 1.1.2 文献的概念、社会功能和类型 1.1.3 信息 ( 文献 ) 在学术研究中的作用. 1.1  信息及其相关概念. 1.1.1 信息的概念、基本属性和特征 概念: 信息就是生物以及具有自动化控制系统的机器,通过感官和相应的设备与外界进行交换的一切内容。 - PowerPoint PPT Presentation

TRANSCRIPT

  • 1.11.21.31.4 1.51.6 1

  • 1.11.1.1

    1.1.2

    1.1.3 ()

  • 1.1

    1.1.1

  • 2.5m2 156 3500 5.3m2 600 4000 17m2 980 3 34m2 8100

  • 658040

  • :1750-19001900-19501960-19655202073

  • 1.1.2

    ,

  • 1.1 62 73 84 95 10

  • ? ?

  • 21Primary Document 2Secondary Document 3Tertiary Document

  • 31 2 3

  • 4

  • ,

  • ()1.1.3 ()

  • 1.21.2.11.2.21.2.31.2.4

  • 1.21.2.1(Information Retrieval)Information Storage and Retrieval

  • 1.2.2, (match) , (search, locate, hit)

  • 1.2.2match

  • 1.2.31 Document RetrievalData RetrievalFact Retrieval

  • 2007SCI

  • 2(manual retrieval)

  • computer-based retrieval real timeinteractive

  • 1.2.4*access point

  • 1classification classification system () :

  • ) A

    B C D E F G H I J K N O P Q R S T U V X Z

  • 1

  • S966.28 1234567899192939495969798 981983984985986988 I247.58

  • I247.58 J678 =2

    S966.28 Y566

  • AZ 09

  • 2subject

  • ()()artificial languagecontrolled termnatural language uncontrolled termfree term

  • ,,

  • ()

  • 1411 Brucellosis 615 Brucellosis 446 Brucellosis 111 Brucellosis 82 Brucellosis 59 Brucellosis 20 Epizootic abortion 18 Undulant fever 9 Malta fever 9 Mediterranean fever

  • 10058 288 5788 147 4228 126 1219 112 792 99 672 78

  • 36 2270 815 36545 870 21444 223 2241 DNA 7831 100162 1268 100162

  • 690 F 1643 - 1499 973 - 919 134 - 111 690 1499 919 111 3219

  • 10508 F 20171 58 475

  • 64 329 120 231 238 5 12 3 2 153 Boltzmann 755 Euclid 400 (: )

  • : danning , formalin , , aspirin , , : Texas , California , San Francisco , ,

  • mining-dumping integral optimization 1 subzone & periodic dumping 1 ecological-adaptive index 1 pit dump automation design 1 multi-objective planning 970[Google]

    multi-objective optimization 328000

  • test examine check test examine inspect survey measure gauge

  • Cattle Dairy cattle Milk cattle Black and white British friesian Holstein friesian Chinese friesian Chinese black and white

  • zeolite F analcime scolecite stilbite harmotome chabasie natrolite heulandite laumontite zeophyllite

  • GB/T 67191986 Classification and specification for bag filtersGB/T 139312002 Methods of performance tests for electrostatic precipitatorsGB/T 151872005 Measuring method for performances of wet dust collectorsGB/T 16845.11997 : Dust collector--Terminology--Part 1: Common ones

  • (Aeronautical Obstacle Light) light Aeronautical Obstacle Light 3 aero obstruction light 9 obstacle indicated light 35 navigation mark light 688 aviation obstruction lamp 1080 aviation obstruction light 3750

  • (): (: "reverse demulsifier")1 . CN1570034 Cross-linking type non-ionic reverse phase demulsifier and its preparation method.2 . CN1966138 Highly efficient anti-phase emulsion breaker for thick oil pollution water processing.3 . CN1059669 PREPARATION METHOD OF ANTIPHASE EMULSION BREAKER OF CATION POLYETHER MODEL.

  • WTO

  • 3author compilereditorsponsoring bodytranslator corporate authorauthor's affiliation

  • 4title white pagesyellow pages

  • 5numbercode

  • ISBNInternational Standard Book NumberISSNInternational Standard Serial NumberISBN 047181086x()0 (), 12()3()4()57()8()9() 471 81086 (x10)x

  • ISSN 100582301005-823: 0:

  • EI

  • :

    .

  • 1.3

  • 1.3.1 and* and and

  • 1.3.1 or+ or transistor or semiconductor( or ) and ( or )

  • 1.3.1 not- not Energy not nuclear

  • same same Rose* same plant*1.3.2

  • 1.3.3comput computer, computers, computerize,computerization womn woman or womenorganiation organisation , organization

  • managementmanage,managed,manager, managers,managing,management

    autostemming off

    Autostemming

  • 1.3.4

  • Title TI Keyword/Topic KW Abstracts AB Full Text FT Author AU Corporate Source CS Document Type DT Journal Name JN Publication Year PY

  • 1.4 :

  • 1.2.3.4.

  • ,,

  • CNKI

  • --

  • :Marine-derived,Anticancer,antitum*,antibiotic*, antivirus, antibacterial,Medicine, medical, drug*,apoptosisBIOSIS Previewstopic concept codetaxonomic data:Major concept=pharmacognocy and topic=marine or sea or ocean and Taxa=Microorganisms

    --

  • 1.5 retrieval effectiveness

  • RRecall ratio Pprecision ratio

  • 1.6 1.6.1 1.6.2 1.6.3

  • 1.6.1

  • 1.6.2 1234

  • SCIEI

  • 1 2

  • 1 ; 2 3

  • 4 5 6

  • 1 Web of Knowledge CSAEBSCO; 2 3

  • 4

  • 5 ,()()

  • 1Peer Reviewed JournalsJCR

  • 2Review/

  • 3 : SCI""Cited Reference Search/

  • 9,,SCI200218,30-50 -(GFP)2008, A New Generation of CA-2+ Indicators with Greatly Improved Fluorescence Properties17700

  • 4 :SCIEI,E-mail

  • 5SCISCIISI2120SCI250 ISIhighlycited.com4000133121

  • 1SCI2SCI3SCISCI4SCISCI5

  • 6 1 2 3 4

  • : [email protected] xxjs2008

    : http://xxjsyly2008.blog.163.com/ [email protected] xxjs2008

    : [email protected]

  • !