1.????(information retrieval) - PowerPoint PPT Presentation

1 / 78
About This Presentation
Title:

1.????(information retrieval)

Description:

Title: PowerPoint Presentation Last modified by: User Created Date: 1/1/1601 12:00:00 AM Document presentation format: Other titles – PowerPoint PPT presentation

Number of Views:20
Avg rating:3.0/5.0
Slides: 79
Provided by: 20211410
Category:

less

Transcript and Presenter's Notes

Title: 1.????(information retrieval)


1
??? ?????????
  • ????
  • ? ?????????
  • ? ??????????
  • ? ?????????
  • ? ???????

2
? ????????
  • 1.???????
  • 2.???????
  • 3.??????

3
? ????????
  • 1.????(information retrieval)
  • ??????????,???????????????????,???????????????????
    ???????????(information storage and retrieval)
  • ??????????????????,???????,???????????????????????
    ???????,???,?????????(information search)?

4
??????
5
2.???????
  • ?????????,????????
  • ???????(document retrieval)????????????
  • ??,?????????????????????,????????????????
  • ??????????????????????????

6
2.???????
  • ???????(data retrieval)???????????????,?????????
    ??????????????????
  • ???????????????????

7
????????
8
2.???????
  • ???????(fact retrieval)
  • ?????????????,?????????????????????
  • ??????????????
  • ???????????
  • ??????????????
  • ???????????????????????????????????????????

9
??????????????????????
10
? ???????????
  • 3.??????
  • ?????????????????????????????????????,????????????
    ,?????????????????(???????????????????????????????
    ???????)
  • ?????????????

11
????(artificial language)
  • ?????????????????,?????(controlled
    term),??????????????????,?????????????????????????
    ??,?????,???????????????????????

12
???????
  • ?????????????,??????????????????,?????????????????
    ???????,????????????????????????????????????
    ????????????

13
ltlt ??????????gtgt (???????
  • ???????
  • ???????5?????,22???.
  • ???? ??????????????????????

14
ltlt ??????????gtgt ??
15
????????
????
A ?????????? ?????? ????? B ????? C ?????? D
????? E ?? F ?? G ??????????? H ????? I ?? J ?? K
????? N ?????? O ??????? P ???????? Q ???? R
????? S ???? T ???? U ???? V ????? X ????????? Z
?????
U441 ????? ???? U442 ????? ??? U443 ???? U444
?????? U445 ???? U446 ?????? ??? U447
????? ?? U448 ???? U449 ????
U41 ???? U44 ???? U45 ???? U46 ???? U48 ????
???? U49 ??????? ??????
U1 ???? U2 ???? U4 ???? U6 ???? U8 ????
16
  • ??????????????????????????????????????????????????
    ??,?????????????????

?? ???? ?? ??? ???013/Zh1
???
???
17
????????
  • ???????????,??????????????????,??????,???????????
    ??????
  • ?????????,?????????????,????????????????????,????
    ????????????????????????????????????????,??????,??
    ??

18
??????
  • ????????????????????????  
  •    ???????,????????,???????????????????????????,??
    ???????????????????????,??????????????

19
???????,????????????????  
  • ??????????????,?????????????????????????????
  • ??? ?? ?? ???????????
  • ???? ?? ?? ??????????
  • ?????????????????? 

20
???????
  • ???????????,????????????????
  • ??? C3N6H6(????)
  • ??? ZL02121956.7(?????? )
  • ??? GB/T 6892-2006

21
????(natural language)
  • ??????????,????????????????,?????(uncontrolled
    term)
  • ????????
  • ???????????????????????????????,?????????????????
    ??????
  • ??????????,??????????????????
  • ????????????????????

22
(No Transcript)
23
(No Transcript)
24
???????????,?????????????(??INSPEC???)
  • Title Collaborative knowledge management
    requirements for experiential learning (CKM)
  • Author(s) Garner, B.J.
  • Editor(s) Okamoto, T., Hartley, R., Klus, K.,
    Klus, J.P.
  • Source Proceedings IEEE International Conference
    on Advanced Learning Technologies 488-9, 2001
  • Conference Information Proceedings IEEE
    International Conference on Advanced Learning
    TechnologiesMadison, WI, USA, 6-8 Aug. 2001IEEE
    Comput. Soc. IEEE Comput. Soc. Learning Technol.
    Task Force Univ. Wisconsin-Madison
  • Language English
  • Treatment Practical
  • Abstract Exploratory studies in collaborative
    knowledge management (CKM) across four domains
    have identified significantly expanded research
    requirements for experiential learning. This
    paper reports preliminary conclusions/propositions
    . The quality of collaborative (group) learning,
    particularly in experiential processes such as
    problem solving and professional practice,
    requires the innovative support of
    knowledge-mediated human interaction requirements
    and the associated sharing of knowledge between
    participants.

25
  • Controlled Indexing computer aided instruction
    groupware interactive systems problem solving
    professional aspects Uncontrolled
    Indexing collaborative knowledge management
    experiential learning research requirements
    collaborative learning group learning problem
    solving professional practice
    knowledge-mediated human interaction
    requirements knowledge sharing Classification
    Code(s) C7810C Computer-aided
    instructionC6130G Groupware
  • ??????????????,?????????????

26
? ??????????
  • 1 ??????
  • 2 ????????

27
1 ??????
  •  ????(Electronic Resource),??????????(digital
    information resources)
  • ????????????????????????????,?????????????????????
    ??

28
????????
  • ?????
  • ?????
  • ?????
  • ????
  • ????
  • ????
  • ?????????
  • ??????????
  • FTP??
  • ??

29
??????(reference database)
  • ??????????????????????????
  • ???????????????????????????
  • ??????????????????????,?????????????????????????

30
  • ???????????????????????????????????????????,?????
    ??(Science Citation Index)?????(Chemical
    Abstracts)?????(Engineering Index)??????(Biolo
    gical Abstracts)??????????????

31
  ??????(full-text database)
  • ??????????????,???????????????????????????????????
    ???ProQuest??????????(Academic Research Library
    )?CNKI ??????????????????????????

32
??????(factual database)
  • ??????????,???????(numeric database)??????(directo
    ry database)??????(terminological
    database)?,???????????????????????????????????????
    ???????(?)??

33
?????(electronic books).
  • apabi????
  • ??????
  • ????
  • ????
  • NetLibrary????  
  • Early English Books Online  
  •  Encyclopedia Britannica Online (?????????????)
      

34
??????
35
  •  ?????(electronic journals),??????????????,??????
    (Science)? ??(Nature)?
  • ?????,????????(DLib Magazine)

36
 ? ????(electronic newspaper)
  • ????????????????????????,?????????????????????????
    ???

37
? ????/????(search engine),
  • ???????????????????????????,?????????????,????????
    ????,??????????,????????????????,??????????????bai
    du?yahoo?google??
  • ????????????????????????(???),????????????,???????
    ?????????????????????

38
(No Transcript)
39
? ??????????
  • ??????????????????????,???????,???????????,???????
    ????????????????????????????????????????????

40
(No Transcript)
41
(No Transcript)
42
CALIS???????
43
  •  ? FTP??FTP???File Transfer Protocol,????????,?
    ?????????????,?????????????????,????????????????,?
    ????????????????????????FTP??,?????????FTP??,?????
    ???????,????????????????
  •  ? ???????????????,?????????????????????

44
? ?????????
  • 1 ????????????
  • 2 ?????????

45
1 ????????????
  • ??????????????????????
  •     (1)??(hardware)?????????,???????????????????,
    ????????(???)????(?????)???(??????????????)???????
    (??????????)????????????(Pc)??
  •     (2) ??(software)????????????????????????????
    ???????????????????????????????????????????????

46
2.?????????
  • ????(Online searching),?????????????,?????????,???
    ????????????????????

47
??????????
  •     (1) ??????,????,??????DIALOG????,???????600??,
    ????,?????????????????????????????????????,???????
    ??
  •     (2) ??????,?????????,?????????????
  •     (3)?????,???,???,???????????????,??????????,??
    ,???????????????????????????,?????????????????????
    ?,???????????,?????????????,?????????????
  • ???? B 34,434 ???????34,434?????? ?
  • ???? S computer/TI ????????????????computer
    ???
  •  

48
  •   (4) ???????,?????????????,??????,???????????,??
    ???????????
  • (5) ?????????,???,???,???????????????,?????????
    ????,??????????????????????,??????,????????????
  •   (6) ?????,???????????????,??????????????????????
    ?,??????????,?????

49
???????
  • ?????????CD-ROM????CD-ROM(Compact Disc Read-Only
    Memory),??????,??????????????,???????????????600M,
    ????????????????
  • ?????????? ????????

50
?????????
  • ?????????????,?????????????,??????,????????(??,??)
    ???
  • ????????,???????????????????????????????,?????????
    ??????,?????????????
  • ??????,???,????????????????????????????????,??????
    ????,?????
  • ???????????????,??????????,???????????
  • ???????,???????????,???,???,??????
  • ?????????,?????

51
??????
  • ?????(web-database)???????????????,???????????????
    ?????
  • ??
  • ????,???????????????????????,?????????????,???????
    ????
  • ????????????????,?????,??????,??,???,?????????????
    ?
  • ?????????,????????

52
  • ??????,???,????????,???????????????????????,??????
    ???,???????????????????
  • ???????,?????????????????????????,????,???????????
    ??
  • ????????WWW?????,?????

53
??????????
54
? ???????
  • 1 ?????
  • 2 ????
  • 3 ????
  • 4 ????
  • 5 ????
  • 6.????
  • 7.????
  • 8.????

55
1????????
  • ??? ?and,? AB ? A and B
  • ??? ?or, ?AB ? A or B
  • ??? -?not,?A-B ? A not B

56
??? and AND
  • ?????????????????????
  • ?????????????????????????
  • ????????,??????
  • ?? ?? ???
  • computer AND virus

57
??????
A
B
virus
computer
?? ??????,?????
A and B
58
??? or OR
  • ???????????????????,?????????????
  • ????????????????????????
  • ????????,??????
  • ????? ???
  • CAD or computer aided design

59
??????
A
B
????????,?????
??
???
A or B
60
??? not NOT -
  • ???????????????????????
  • ??????????????????,?????????? ??
  • ????????,??????
  • ?? ?? ??
  • Patent not German

61
??????
A
B
?? ??????,????????
German
Patent
A not B
62
2???(??)
  • ???????????????,?????????????????
  • ????????,?????????
  • ?comput? computer computers computing
  • dam dam dams
  • wom?n woman women

63
3?????
  • ?????????
  • ???????????????,???????????????
  • ??????????????????????????????????????????(W)?
    ??(N)????

64
  • ?steel(W)pipe ??steel pipe
  • ??? pipe steel
  • ?? computer(1N)application
  • ?? computer application
  • ? application of computer

65
4?????
  • ?????????????????
  • ??????,????????????,??????????
  • ???????,???????????????????,????????????,?????????
    ??????????????????????????????

66
??????????
67
???????
68
????????
69
?????All fields
70
  • ????????????????,?????????(?)? title????
    keyword??? abstract???? fulltext?

71
  • ??,?????????????????????,?????????????,???????????
    ??
  • ?? ???( ?? ) ??

? ? ? ? ?
? ? ? ? ?
72
??31?
??80?
73
??44?
??410?
74
5 ????
  • ????????(???????????????)??????????,??????????????
    ?????????

75
????????
76
6.????
  • ???,?????????????,????????????
  • international space station

77
7.????
  • ???????????,???????????
  • (university or college) and education

78
8.
????(full text searching)
  • ???????????????,??????????????????????????,???????
    ?????????,?????????
  •     ?????????????????????,??????????????,?????????
    ?????????????????????????,????????????????,???????
    ?????????
Write a Comment
User Comments (0)
About PowerShow.com