$30 off During Our Annual Pro Sale. View Details »

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

Koji Matsuda
September 27, 2019

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

Koji Matsuda

September 27, 2019
Tweet

More Decks by Koji Matsuda

Other Decks in Research

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