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2009                            1




              MeCab
—                               —




           November 28th 2009
2009                       2




       (905–1205   )




       (905–1439       )
2009   3
2009   4
2009   5
2009   6




25,000
2009   7




•
•
•
•
•
2009   8




1.
2.
3.
2009   9




•


    i.e.
2009                          10




    (          - :   :   :   :   );
(   - : : : : );
( - : : : : );
( : : );
(   : : );
2009   11




•


•
•
2009     12



MeCab      CRF

• MeCab
 –
 –
• CRF
 –
2009   13
2009            14




•          CD-ROM
•
•
•
2009                       15



            CRF
• HMM (Hidden Markov Model)
  – Markov Chain
  –
  –             (     )
• CRF (Conditional Random Fields)
  –
2009                                                                             16




Table 1: MeCab                                                       Seed

    ,0,0,0,        ,        ,*,*,*,*,        ,               ,*,*
              ,0,0,0,        ,       ,*,*,*,*,                      ,           ,*,*
              ,0,0,0,        ,       ,*,*,*,*,                      ,           ,*,*
              ,0,0,0,        ,       ,*,*,*,*,                      ,           ,*,*
    ,0,0,0,        ,*,*,*,                       ,   ,         ,        ,   ,
———————————————
    ,0,0,0,        ,*,*,*,                       ,   ,         ,        ,   ,
    ,0,0,0,        ,*,*,*,                       ,   ,         ,        ,   ,
    ,0,0,0,        ,        ,*,*,*,*,        ,               ,*,*
    ,0,0,0,        ,*,*,*,                       ,   ,         ,        ,   ,
      ,0,0,0,           ,        ,*,*,*,*,               ,          ,*,*
      ,0,0,0,           ,        ,*,*,*,*,               ,          ,*,*
      ,0,0,0,           ,        ,*,*,*,*,               ,          ,*,*
2009               17




•          MeCab



•             11,119
2009                            18




LEVEL 0
            99.67 (188219/188850)
            99.65 (188219/188881)
F           99.66


LEVEL ALL
            90.35 (170634/188850)
            90.34 (170634/188881)
F           90.35
2009                                                                                      19




000004
000004   ,           ,*,*,*,*,*
         ,           ,*,*,*,*,               ,                 ,*,*
         ,           ,*,*,*,*,               ,               ,*,*
         ,           ,*,*,*,*,               ,                      ,*,*
             ,       ,*,*,*,     ,               ,                  ,          ,
         ,           ,*,*,*,*,                   ,                          ,*,*
         ,             ,*,*,*,*,             ,       ,*,*
         ,           ,*,*,*,*,       ,               ,*,*
         ,             ,*,*,*,*,             ,       ,*,*
                 ,         ,*,*,*,           ,                          ,              ,       ,
         ,*,*,*,                         ,               ,              ,          ,       ,
         ,           ,*,*,*,*,       ,               ,*,*
         ,             ,       ,*,*,*,               ,              ,*,*
EOS
2009                                                                                      20




000004
000004   ,           ,*,*,*,*,*
         ,           ,*,*,*,*,               ,                 ,*,*
         ,           ,*,*,*,*,               ,               ,*,*
         ,           ,*,*,*,*,               ,                      ,*,*
             ,       ,*,*,*,     ,               ,                  ,          ,
         ,           ,*,*,*,*,                   ,                          ,*,*
         ,             ,*,*,*,*,             ,       ,*,*
         ,           ,*,*,*,*,       ,               ,*,*
         ,             ,*,*,*,*,             ,       ,*,*
                 ,         ,*,*,*,           ,                          ,              ,       ,
         ,*,*,*,                         ,               ,              ,          ,       ,
         ,           ,*,*,*,*,       ,               ,*,*
         ,             ,       ,*,*,*,               ,              ,*,*
EOS
2009   21




• 99
•


•
•
•

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2009 jinmon0102

  • 1. 2009 1 MeCab — — November 28th 2009
  • 2. 2009 2 (905–1205 ) (905–1439 )
  • 3. 2009 3
  • 4. 2009 4
  • 5. 2009 5
  • 6. 2009 6 25,000
  • 7. 2009 7 • • • • •
  • 8. 2009 8 1. 2. 3.
  • 9. 2009 9 • i.e.
  • 10. 2009 10 ( - : : : : ); ( - : : : : ); ( - : : : : ); ( : : ); ( : : );
  • 11. 2009 11 • • •
  • 12. 2009 12 MeCab CRF • MeCab – – • CRF –
  • 13. 2009 13
  • 14. 2009 14 • CD-ROM • • •
  • 15. 2009 15 CRF • HMM (Hidden Markov Model) – Markov Chain – – ( ) • CRF (Conditional Random Fields) –
  • 16. 2009 16 Table 1: MeCab Seed ,0,0,0, , ,*,*,*,*, , ,*,* ,0,0,0, , ,*,*,*,*, , ,*,* ,0,0,0, , ,*,*,*,*, , ,*,* ,0,0,0, , ,*,*,*,*, , ,*,* ,0,0,0, ,*,*,*, , , , , , ——————————————— ,0,0,0, ,*,*,*, , , , , , ,0,0,0, ,*,*,*, , , , , , ,0,0,0, , ,*,*,*,*, , ,*,* ,0,0,0, ,*,*,*, , , , , , ,0,0,0, , ,*,*,*,*, , ,*,* ,0,0,0, , ,*,*,*,*, , ,*,* ,0,0,0, , ,*,*,*,*, , ,*,*
  • 17. 2009 17 • MeCab • 11,119
  • 18. 2009 18 LEVEL 0 99.67 (188219/188850) 99.65 (188219/188881) F 99.66 LEVEL ALL 90.35 (170634/188850) 90.34 (170634/188881) F 90.35
  • 19. 2009 19 000004 000004 , ,*,*,*,*,* , ,*,*,*,*, , ,*,* , ,*,*,*,*, , ,*,* , ,*,*,*,*, , ,*,* , ,*,*,*, , , , , , ,*,*,*,*, , ,*,* , ,*,*,*,*, , ,*,* , ,*,*,*,*, , ,*,* , ,*,*,*,*, , ,*,* , ,*,*,*, , , , , ,*,*,*, , , , , , , ,*,*,*,*, , ,*,* , , ,*,*,*, , ,*,* EOS
  • 20. 2009 20 000004 000004 , ,*,*,*,*,* , ,*,*,*,*, , ,*,* , ,*,*,*,*, , ,*,* , ,*,*,*,*, , ,*,* , ,*,*,*, , , , , , ,*,*,*,*, , ,*,* , ,*,*,*,*, , ,*,* , ,*,*,*,*, , ,*,* , ,*,*,*,*, , ,*,* , ,*,*,*, , , , , ,*,*,*, , , , , , , ,*,*,*,*, , ,*,* , , ,*,*,*, , ,*,* EOS
  • 21. 2009 21 • 99 • • • •