Neural Relation Extraction forKnowledge Base EnrichmentBayu Distiawan Trisedya, Gerhard Weikum,Jianzhong Qi, Rui ZhangACL 2019հऀ: দాߞ࢙ (ཧݚAIP/౦େ)ୈ11ճ࠷ઌ NLP ษڧձ (γϣʔτ)εϥΠυதͷਤදಛʹऍ͕ͳ͍ݶΓจ͔ΒͷҾ༻Ͱ͢1YAGOͷ։ൃऀ
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• MEKG'"$) >9GD– KG Enrichment• =1 (: Seq2Seq 2• @C– ?F#-*>986IB!0''34L<– K7IB JA;",+&,n-gram Attention– ?F#-*5).+/*/% Precision:H2
: (Wikidata)3
KG Enrichment InformationExtractionΤϯςΟςΟͱؔΛ WikidataͷIDʹਖ਼نԽ͍ͨ͠NED => ؔநग़ ͳύΠϓϥΠϯ͕ϕʔεϥΠϯ4
: New York University is a private university in Manhattan.Encoder (LSTM)N-gram AttentionDecoder (LSTM)Triple Classifier ᶄᶅJoint Embeddingᶃೖྗจग़ྗ5ೖग़ྗͷϖΞ Distant SupervisionͰੜ
: KG • TransE + Skip-gram– Anchor Context Model [Yamada 16]6New York University is a privateuniversity in ManhattanQ49210 is a Q902104 in Q11299J = +
: N-gram Attention• Entity-mention – ”New York University”• “New York”, “York University” …73-gram·Ͱͷn-gram
: Triple Classifier• 5<"+(/ 5<(-%– 9: Manhattan>• TransE '- 04&,)-=7@23$#*!&- 6;.>– (h + r – t)– .>: Negative Sample 81?8
• ;87/! Distant Supervision – Co-reference– -4#(6#'32• ;8!*) .,&!'1– $;8!9 • ) .,0:"%+ (533.5)9
10ύΠϓϥΠϯμϝN-gramAttentionޮՌൃشClassifierͰPrecisionվળ
New York University is a private university in Manhattan.Encoder (LSTM)N-gram AttentionDecoder (LSTM)Triple Classifier ᶄᶅJoint Embeddingᶃೖྗจग़ྗ11ೖग़ྗͷϖΞ Distant SupervisionͰੜ
• !• – DS train/test test 12