論文紹介: Neural Relation Extraction for Knowledge Base Enrichment (ACL2019)

Transcript

1. Neural Relation Extraction for Knowledge Base Enrichment Bayu Distiawan Trisedya,

   Gerhard Weikum, Jianzhong Qi, Rui Zhang ACL 2019 ঺հऀ: দాߞ࢙ (ཧݚAIP/౦๺େ) ୈ11ճ࠷ઌ୺ NLP ษڧձ (γϣʔτ࿮) εϥΠυதͷਤද͸ಛʹ஫ऍ͕ͳ͍ݶΓ࿦จ͔ΒͷҾ༻Ͱ͢ 1 YAGOͷ։ൃऀ

2.   • MEKG'"$) >9 GD  – KG Enrichment

   • =1 (: Seq2Seq    2 • @C – ?F#-*>986 IB!0' '34L< – K7IB JA;",+&,  n-gram Attention – ?F#-*5).+/*/ %  Precision:H 2

3. : 
   (Wikidata) 3

4. KG Enrichment
   Information Extraction ΤϯςΟςΟͱؔ܎Λ WikidataͷIDʹਖ਼نԽ͍ͨ͠ NED => ؔ܎நग़

   ͳύΠϓϥΠϯ͕ϕʔεϥΠϯ 4

5.  : 
        New York University

   is a private university in Manhattan. Encoder (LSTM) N-gram Attention Decoder (LSTM) Triple Classifier <Q49210 P31 Q902104> <Q49210 P131 Q11299> ޻෉ᶄ ޻෉ᶅ Joint Embedding ޻෉ᶃ ೖྗจ ग़ྗ 5 ೖग़ྗͷϖΞ͸ Distant SupervisionͰੜ੒

6. : KG  
       • TransE +

   Skip-gram – 
    Anchor Context Model [Yamada 16] 6 New York University is a private university in Manhattan Q49210 is a Q902104 in Q11299 J = +

7. 
   : N-gram Attention •   Entity-mention   
   

   – ”New York University” • “New York”, “York University” … 7 3-gram·Ͱͷn-gram

8. 
   : Triple Classifier • 5<"+(/   5< (-% –

   9: <New York University, capital of, Manhattan> • TransE  '- 04&,)-= 7@23$#*!&-   6;.> – (h + r – t) – .>: Negative Sample 81? 8

9. 
    • ;87/!
    Distant Supervision – Co-reference  – -4#(
   6#'

   3 2  • ;8!
   * )  ., &!'1 – <New York University, Q49210>$ ;8!
   9  • )  .,0: "
   %
    +  (533.5) 9

10. 
     10 ύΠϓϥΠ ϯ͸μϝ N-gram Attention͸ ޮՌൃش ClassifierͰ Precisionվળ

11. 
     New York University is a private university in Manhattan.

    Encoder (LSTM) N-gram Attention Decoder (LSTM) Triple Classifier <Q49210 P31 Q902104> <Q49210 P131 Q11299> ޻෉ᶄ ޻෉ᶅ Joint Embedding ޻෉ᶃ ೖྗจ ग़ྗ 11 ೖग़ྗͷϖΞ͸ Distant SupervisionͰੜ੒

12. 
     • ! •   – DS  

    train/test    test  12