狠狠撸

狠狠撸Share a Scribd company logo
ACL2011
               EXPLOITING WEB-DERIVED
              SELECTIONAL PREFERENCE TO
           IMPROVE STATISTICAL DEPENDENCY
                      PARSING (1156)

       GUANGYOU ZHOU, JUN ZHAO, KANG LIU, AND LI CAI

                         2011/09/03
                   Yuya Unno (@unnonouno)


2011   9   3
?                               (selectional preference)   web



   ? Higher-order   Eisner                              N           PMI



   ?                         :-)


2011   9   3
?


   ?


   ?

2011   9   3
?


           ?   …

           ?




   ? http://d.hatena.ne.jp/usata3/20070416/p2


2011   9   3
?


   ?




   ?           Web



2011   9   3
PMI

   ?                            (Point-wise Mutual Information)

           ?


           ? PMI(x, y)   = log (P(x, y) / P(x)P(y))

           ?


   ?


2011   9   3
? Google V1


           ? Web


   ? Google API

           ?



2011   9   3
?


   ? PMI(x, y, z)   = log ( P(x, y, z) / P(x, y)P(y, z) )

   ? x, y      y, z PMI




2011   9   3
PP-ATACHEMENT

   ?


   ? PMIIN(x, z)   = P(x, IN, z) / P(x)

   ?           PMI

   ?           3


2011   9   3
EISNER       LOG-
                                         LINEAR

                                                                      ρ    →

   ?       Eisner

           ?


           ?    CKY

           ?


                 ?   http://www.slideshare.net/unnonouno/ss-5724050

   ?       PMI                                                                 (PMI - μ) / σ


2011   9    3
?   dep1: 1 Eisner, dep2: 2   Eisner, +hits: Google API, +V1: Google V1 Corpus


   ?


   ? Google API


2011   9   3
?




               ?




2011   9   3
?             Gigword
                                 (NEWS)



               ?   Unigram



               ?




2011   9   3
?




2011   9   3
WEB
               NGRAM
                       ?




                       ? Bio


                       ?




2011   9   3
?




   ?




   ?




2011   9   3
?           Web

   ?                 PMI



   ?




           ?


2011   9   3

More Related Content

ACL2011読み会 Exploiting Web-Derived Selectional Preference to Improve Statistical Dependency Parsing

  • 1. ACL2011 EXPLOITING WEB-DERIVED SELECTIONAL PREFERENCE TO IMPROVE STATISTICAL DEPENDENCY PARSING (1156) GUANGYOU ZHOU, JUN ZHAO, KANG LIU, AND LI CAI 2011/09/03 Yuya Unno (@unnonouno) 2011 9 3
  • 2. ? (selectional preference) web ? Higher-order Eisner N PMI ? :-) 2011 9 3
  • 3. ? ? ? 2011 9 3
  • 4. ? ? … ? ? http://d.hatena.ne.jp/usata3/20070416/p2 2011 9 3
  • 5. ? ? ? Web 2011 9 3
  • 6. PMI ? (Point-wise Mutual Information) ? ? PMI(x, y) = log (P(x, y) / P(x)P(y)) ? ? 2011 9 3
  • 7. ? Google V1 ? Web ? Google API ? 2011 9 3
  • 8. ? ? PMI(x, y, z) = log ( P(x, y, z) / P(x, y)P(y, z) ) ? x, y y, z PMI 2011 9 3
  • 9. PP-ATACHEMENT ? ? PMIIN(x, z) = P(x, IN, z) / P(x) ? PMI ? 3 2011 9 3
  • 10. EISNER LOG- LINEAR ρ → ? Eisner ? ? CKY ? ? http://www.slideshare.net/unnonouno/ss-5724050 ? PMI (PMI - μ) / σ 2011 9 3
  • 11. ? dep1: 1 Eisner, dep2: 2 Eisner, +hits: Google API, +V1: Google V1 Corpus ? ? Google API 2011 9 3
  • 12. ? ? 2011 9 3
  • 13. ? Gigword (NEWS) ? Unigram ? 2011 9 3
  • 14. ? 2011 9 3
  • 15. WEB NGRAM ? ? Bio ? 2011 9 3
  • 16. ? ? ? 2011 9 3
  • 17. ? Web ? PMI ? ? 2011 9 3