Simple_Unsupervised_Summarization_by_Contextual_Matching.pdf

Transcript

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   ྲྀெੑ 'MVFODZ 
   จ๏తʹਖ਼͘͠ཧղͰ͖Δ P(y|x) ∝

   pcm (y|x)pfm (y|x)λ 
   ೖྗจॻ x 
   ཁ໿จ y 
   ਖ਼֬ੑ pcm (y|x) 
   ྲྀெੑ pfm (y|x)

6. $POUFYUVBM
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   ਖ਼֬ੑ
   ೖྗςΩετͱग़ྗ୯ޠͷίαΠϯྨࣅ౓ pcm (y|x) = N ∏ n=1 qcm (yn

   |y<n , x) ͱͨ͠ͱ͖
   sω = maxj≥1 Sim(x1:j , ω) ͜͜Ͱ
   ग़ྗީิޠ
   
   
   
   ͱೖྗςΩετ
   
   
   
   
   ͱͷྨࣅ౓Λ ω x1:j qcm (y1 = ω|x) = softmax(s)

7. $POUFYUVBM
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   ॲཧखॱ sω = maxj≥zn−1 Sim(x1:j , ω) 
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   ྨࣅ౓Λܭࢉ

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   Λܭࢉ qcm zn 
   
   
   
   ͕ೖྗจॻ຤ඌͱͳΔ·Ͱ܁Γฦ͠ zn

8. %PNBJO
   'MVFODZ
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   ⾣
   ྲྀெੑ
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9. %PNBJO
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   ⾣
   ྲྀெੑ
   ݴޠϞσϧ֬཰ pfm (y|x) = N ∏ n=1 ∑ ω′∈N(yn

   ) lm(ω′|y<n ) ϘϊϩΠ෼ׂͷ฼఺ʹ͸
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    ྲྀெੑ 'MVFODZ 
    จ๏తʹਖ਼͘͠ཧղͰ͖Δ P(y|x) ∝

    pcm (y|x)pfm (y|x)λ 
    ೖྗจॻ x 
    ཁ໿จ y 
    ਖ਼֬ੑ pcm (y|x) 
    ྲྀெੑ pfm (y|x)

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15. None