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

69a58cd8d6859519604c54ee656f0b66?s=47 Koji Matsuda
September 27, 2019

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

69a58cd8d6859519604c54ee656f0b66?s=128

Koji Matsuda

September 27, 2019
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  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