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Hubness and Pollution: Delving into Cross-Space...

Hubness and Pollution: Delving into Cross-Space Mapping for Zero-Shot Learning

Angeliki Lazaridou, Georgiana Dinu, Marco Baroni. Hubness and Pollution: Delving into Cross-Space Mapping for Zero-Shot Learning. ACL-IJCNLP 2015.

を第7回最先端 NLP 勉強会で発表したときのスライドです。

http://www.logos.t.u-tokyo.ac.jp/snlp7/

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Mamoru Komachi

August 29, 2015
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  1. ෼෍ྨࣅ౓Λ༻͍ͨ ;FSPTIPU-FBSOJOHλεΫ w ೴৴߸ͷσίʔυʢ;4-ͷ࠷ॳͷݚڀʣ
 .JUDIFMMFUBM   w ը૾ϥϕϦϯάʢΫϩεϞʔμϧʣ
 'SPNFFUBM

    -B[BSJEPVFUBM  4PDIFSFUBM   w ର༁ࣙॻɾϑϨʔζςʔϒϧߏஙʢݴޠԣஅʣ
 %JOVBOE#BSPOJ .JLPMPWFUBM  
  2. ࠷େϚʔδϯ๏ʹΑͬͯ ϋϒͷ໰୊͸ܰݮͰ͖Δ  දϦοδճؼͱ࠷େϚʔδϯ๏ͷൺֱ ݴޠԣஅ ΫϩεϞʔμϧ Ϧοδ ࠷େϚʔδϯ Ϧοδ ࠷େϚʔδϯ

    1!     1!     1!     දςετࣄྫ͕࠷ۙ๣ͱͳ͍ͬͯΔׂ߹ ݴޠԣஅ ΫϩεϞʔμϧ Ϧοδ ࠷େϚʔδϯ ΰʔϧυ Ϧοδ ࠷େϚʔδϯ ΰʔϧυ      
  3. ࠷େϚʔδϯ๏Ͱ͸ ෛྫͷબͼํ͕ੑೳʹӨڹ͢Δ w ϩε࠷খԽ $SBNNFSFUBM  
 ˠ΋ͬͱ΋ੑೳʹӨڹΛ༩͑ͦ͏ͳࣄྫΛෛྫ ͱͯ͠બ୒͢Δ w

    TKDPT ŷJ ZK DPT ZJ ZK 
 ͕΋ͬͱ΋ߴ͍TKΛ΋ͭࣄྫΛෛྫʹ༻͍Δ w ਤʢӈਤʣʹ͓͍ͯɺDBU͕ਖ਼ղͩͱ͢Δͱɺ EPHͰ͸ͳ͘USVDLΛෛྫʹ༻͍Δ 
  4. ෛྫΛݡ͘બ୒͢Δͱ [FSPTIPUMFBSOJOHͷੑೳ޲্  දෛྫͷબ୒ํ๏ʢϥϯμϜWTϩε࠷খʣͷൺֱ ݴޠԣஅ ΫϩεϞʔμϧ ϥϯμϜ ෛྫબ୒ ϥϯμϜ ෛྫબ୒

    1!     1!     1!     ʢ࠷େϚʔδϯ๏ɺը૾Ωϝϥʣ ʢਤӈਤʣগͳ͍ FQPDI਺Ͱ΋ߴ͍ੑೳΛ ಘΔ͜ͱ͕Ͱ͖Δ