??, ??????????????????, ???????(Knowledge Discovery in Databases KDD)???????? - PowerPoint PPT Presentation

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??, ??????????????????, ???????(Knowledge Discovery in Databases KDD)????????

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Title: ??, ??????????????????, ???????(Knowledge Discovery in Databases KDD)????????


1
??????
???? ????(?) ??? ??????????
2
????
  • ??
  • ???????
  • ????
  • ??????

3
????
  • ?????????????????????
  • ????????????????????
  • ??????????????????????
  • ????????????????????
  • ??????????????
  • ???????????????

4
???????
??, ??????????????????, ???????(Knowledge
Discovery in Databases KDD)????????
????1989???,Fayyad???KDD??????????????????????,??
??????????????
5
???????
  • ?????????????????????????,???????????????
  • ???????????????
  • ????(data mining)
  • ????????????????????
  • ???? (information extraction)?
  • ???? (information discovery)?
  • ?????? (intelligent data analysis)?
  • ??????? (exploratory data analysis)
  • ???? (information harvesting)
  • ???? (data archeology)

6
(No Transcript)
7
???????
  • ????
  • ???????????????????????????????????????????????
    ??????,??????????????????
  • ??
  • ???????????????????????,???????????????????
  • ??
  • ?????????,???????????????

8
???????
  • ?????
  • ??????????????????
  • ????
  • ????
  • ???????????????????????????????,
    ?????????????????
  • ??
  • ????????????????

9
???????
  • ????
  • ????
  • ????????????????????
  • ???(fuzzy set) Zadeh 1965
  • ?????(Support Vector Machine) Vapnik 90???
  • ???(Rough Set) Pawlak 80???

10
???????
  • ????
  • ????AQ??
  • ???ID3?C4.5
  • ????CBR
  • ????GA
  • ???????

11
???????
  • ????
  • ??????????????,??????????????????????????????????
    ??
  • Hopfield?
  • ?????
  • ???????
  • ????
  • ???

12
KDD?????
  • ???????
  • ??
  • ?????
  • ????
  • ????
  • ?????

13
????
  • ??????,?????,???OLTP(??????),????????????????????
    ????????????????????
  • 20??80??,??????????,???????,?????????????????????
    ,???????????????????????????????
  • ?????????,????????????????
  • ?????????,?????????????
  • ??????????????

14
???????
???????????????????????????,?????????????????????
?????,???????????????????????????????(Data
Warehouse)? Inmon?????????? ????(Data
Warehouse)??????,???,?????????????????,???????????
??????
15
???????
  • ??????????????
  • ?????????????????????????????????,????????????
    ??????
  • ????????????
  • ???????????,??????????????????????????,???????
    ????

16
???????
  • ????????????
  • ????????????????,?????????????,?????????
  • ??????????????????
  • ??????????????,?????????,?????????????????????
    ??
  • ????

17
???
???(Metadata)????????,????????????????????????????
???????????,???????,??????????????????????????????
????????????,?????????????????????
18
???????
  • ??????????????????????????????????,??????????????
    ????
  • ???????????????????????????,?????????????,???????
    ?????????,????????????????,????????
  • ???????????????????????????,????????????????

19
?????????
  • ???(Fact)?????????????,???????????(Dimension)???(
    Measurement)?
  • ???????????????,??????????????????????????????,?
    ??????????????????,???????????
  • ??????????,???????,??????????,????????????

20
?????????
?????????????????????,????????????????????,???
????????????????????????????,????????
????????,????????????????,??????????,?????????????
??
21
OLAP
???????,??????(Multidimensional Data
Analysis)??????????,?????????(On-Line Analytical
Processing,??OLAP)??????(Data Cube)??,????????????
??,?????????????????????? ????????????,??????????
?????????????????????????????????,??????????? ?
22
OLAP???
  • ROLAP??????????????,???????????????,
    ????????????????MOLAP???????,????
  • MOLAP ??????????????,???? ,?????????????????,????
    ??
  • HOALP ??????????????,????????????ROLAP?MOLAP?????

23
OLAP?????
  • OLAP????????????(roll up?drill down)???(slice)???(
    dice)?????(pivot)??
  • ?????????,?????????????????????roll
    up???????????????????????????drill
    down???,?????????????????
  • ????????????????,?????????????????????????,????,??
    ???
  • ?????????,?????????????(??????

24
??????????????(1)
  • ?????????????????????????????
  • ????????????,????????????????????????,????????
    ??????????????,???????????????????????????????????

25
??????????????(2)
  • ??????????????????????
  • ???????????????????????,?????????????????
  • ?????????????????,??????????????????????

26
??????----??
  • 1989 IJCAI?? ?????????????
  • Knowledge Discovery in Databases (G.
    Piatetsky-Shapiro and W. Frawley, 1991)
  • 1991-1994 KDD????
  • Advances in Knowledge Discovery and Data Mining
    (U. Fayyad, G. Piatetsky-Shapiro, P. Smyth, and
    R. Uthurusamy, 1996)
  • 1995-1998 KDD???? (KDD95-98)
  • Journal of Data Mining and Knowledge Discovery
    (1997)
  • 1998 ACM SIGKDD, SIGKDD1999-2002 ??,??SIGKDD
    Explorations
  • ?????????????
  • PAKDD, PKDD, SIAM-Data Mining, (IEEE) ICDM,
    DaWaK, SPIE-DM, etc.

27
?????????
Robert Grossman, National Center for Data
Mining University of Illinois at Chicago
???
28
?????????
?????????
  • ??
  • ???????????????
  • ??????(vector-valued data)
  • ???????????????
  • ??????Salford Systems?????CART??(www.salford-syste
    ms.com)
  • ??
  • ???????,???????,?????????????????????,????????????
    ??

29
?????????
????????? CBA ???????????????????,?????????????
??????,?????????????
30
?????????
?????????
  • ??
  • ????????(DBMS)??
  • ??????????,???????????,????????
  • ??????????????????
  • ??????????(data mining schema)?????????????????
  • ??????DBMiner,???DMQL??????????
  • ??
  • ????????,??????????????????????????

31
?????????
????????? DBMiner
32
?????????
????? SAS Enterprise Miner
33
?????????
?????????
  • ??
  • ????????????????,???????????????????????????????
  • ???????????????????????????,??????????????????????
    ????
  • ?????????(Internet/Extranet)????????????,?????????
    ??????
  • ??
  • ????????

34
?????????
????? SPSS Clementine
?PMML???????????????
35
?????????
?????????
  • ??
  • ????????????,????????????????????????
  • ?????????????????????????(ubiquitous)?????????????
    ?
  • ???????????????????,PKDD2001?Kargupta?????????????
    ??????,Kargupta????????????(University of
    Maryland Baltimore County)?????CAREER??????????,??
    ??????2001?4??2006?4?,???????????????(Ubiquitous)?
    ????????????

36
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  • Questions?!
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