Universal Decompositional Semantics on Universal Dependencies

Universal Decompositional Semantics on Universal Dependenciesと、情報抽出周りの研究に関する紹介です。自然言語処理
発表日は思い出せないので適当です

Transcript

1. Universal Decompositional Semantics on Universal Dependencies
     
2. TL; DR #Universal Dependency+OpenIE08 #PredPatt
   UD+.OpenIE E; #?3AC /)1'  =B #%($!"48
   26F >& <: #*@7$+ D9 SOTA(2017,-5)
3. e&=V 3T>b6ZL_<k ",)8 %`" 3,),)k9K%a 3,)jk9KfH#,)8 ]IOD,)\o%F " rZL_<k9K/4,"
   C5b6:g #+*'%qcG "
   [J #"pB$ ^B$ _<:g 
   pB$ ,)% "s 3Am"MEl!" 3ME$ 
   Ui? # r_<W8PR
   (0+14 *2.2-s 3@d7nk9%N; "OpenIE QSdX 3UD QSdhY"t
4. Universal DependenciesCUDD :<A' %;E#1> (7-35 predictive-argument(=<B1>) @ #1>94 relations(x,y)  "<?=< 61>  )<⇨ )<
   28<⇨ )<  6 $1>"<? '@ 94 .0< *UD (7 /! 2016+
   ver.22018+ ,&
5. https://pj.ninjal.ac.jp/corpus_center/pdf/2018-06-16-masayu-a-2.pdf
6. !'  & Universal Dependencies % https://www.anlp.jp/proceedings/annual_meeting/2015/pdf_dir/E3-4.pdf Universal Dependencies" https://pj.ninjal.ac.jp/corpus_center/pdf/2018-06-16-masayu-a-2.pdf GiNZA( # ) https://github.com/megagonlabs/ginza $#
   #UD  SudachiPyspaCy  Google Natural Language API https://cloud.google.com/natural-language/docs/morphology &UDParsePOS 
7. OpenIE Open Information Extraction *83GB=C4(Information Extraction))#'+!/ : 7MC4L
   )#'+!<  *)#'+!?20>S.,F5%+&.
   OI
   AJT *OpenIE-RP1Q@ C4  ; "'+$(+E +DN69K HG 
8. relation 
   https://courses.cs.washington.edu/courses/cse517/13wi/slides/cse517wi13-RelationExtraction.pdf
9. PredPatt #% OpenIE Post-processing!"$   
   
10. Predicate and argument root identification #:9
    05.=+- #UD!$ "$7':9=2; 
    :9%1431 <(/) , /)8 >nsubj:9%1
    dobj:94316& *) 8?
11. Argument resolution   ‘Chris likes to sing and dance.’
          [Chris] likes to [sing] [Chris] likes to [dance]
12. Predicate extraction )($ ex. ,+)(%* [PredPatt] finds [structure] in [text]  (1) (UD )'& ’in’ +   )(%*#
    (2) "!
    ' 
13. 2F 8 =>B OpenIE(UD banks ") #) (#sent54
    #output3- *DC+4
    '(95H,E.B) <>7@9GUD:;A   
    PredPatt<>0  I? %(>6UD$!)&( />1J
14. %60 &9;Zhang et al. 2017) English web treebank (EWT)  Wall Street Journal(WST) EWT " 
    WST4#  UD (v1-8 )/
    v27!,8+ )/ *52) PredPatt'.1(3: 
    4# OpenIE4 %$