クックパッドにおける研究の活用と支援

Transcript

1. ΫοΫύουʹ͓͚Δݚڀͷ׆༻ͱࢧԉ
   ΫοΫύουגࣜձࣾ
   ݪౡ७
   

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2. ൃද֓ཁ
   ΫοΫύουͰ͸ɺ࠷৽ͷݚڀΛΩϟονΞοϓͯ͠ϓϩμΫτʹ׆༻͢Δ
   ͱͱ΋ʹɺֶज़తͳݚڀΛαϙʔτͯ͠ΞΧσϛΞʹߩݙ͢Δ͜ͱʹ΋ྗΛ
   ೖΕ͍ͯ·͢ɻຊൃදͰ͸ɺΫοΫύουʹ͓͚Δ࠷৽ͷݚڀͷ׆༻ࣄྫͱ
   ֶज़తͳݚڀΛࢧԉ͢ΔͨΊͷऔΓ૊Έʹ͍ͭͯ঺հ͠·͢ɻ
   ΫοΫύου ݚڀ
   

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3. ݪౡ७
   ɾΤϯδχΞʢݕࡧɾฤ੒෦ʣ
   ɹɾZFBSTPGEFWFMPQNFOUFYQFSJFODF
   ɾത࢜ʢ৘ใֶʣ
   ɹɾZFBSTPGSFTFBSDIFYQFSJFODF
   ɾઐ໳
   ɹɾࣗવݴޠॲཧɺ৘ใݕࡧ
   

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4. ΫοΫύου
   

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5. ར༻ঢ়گ
   IUUQTJOGPDPPLQBEDPNpOBODJBM@IJHIMJHIU
   

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6. Ϩγϐ਺
   IUUQTJOGPDPPLQBEDPNpOBODJBM@IJHIMJHIU
   

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7. ΫοΫύουʹ͓͚Δݚڀͷ׆༻ࣄྫ
   

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8. ΫοΫύουʁ
   ʮ3VCZPO3BJMTͱ͔ɺΤϯδχΞϦϯά͕Μ͹ͬͯͦ͏ɻ
   ɹ͚Ͳɺݚڀʹ͸ڵຯͳ͍Ͱ͠ΐʁʯ
   

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9. ΫοΫύουͷݚڀࣄ৘
   ɾࠓ݄ɺݚڀྖҬΛઐ໳ʹѻ͏νʔϜ͕ൃ଍͠·ͨ͠
   ɹɾ੒Ռ͸͜Ε͔Β
   
   ɾ༷ʑͳݚڀΛϓϩμΫτʹ׆༻͍ͯ͠·͢
   ɹɾϨγϐͷࣗಈ෼ྨ
   ɹɾ঎඼ͷݻ༗දݱೝࣝ
   ɹɾίϯςϯπͷϨίϝϯσʔγϣϯ
   

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10. Ϩγϐͷࣗಈ෼ྨ
    

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11. Ϩγϐͷࣗಈ෼ྨ
    

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12. ɾ47.ʹΑΔ෼ྨ
    ɹɾ-*#-*/&"3Λར༻
    ɹɾૉੑ͸ൿີ
    
    ɾϢʔβʹΑΔਪન݁ՌΛ׆༻
    ɹɾਖ਼ղσʔλΛߏங͢ΔखؒΛলུ
    ɾຖ೔શϨγϐʢ໿ສ඼ʣΛ෼ྨ FHεʔϓͱͯ͠ਪન͞ΕͨϨγϐΛɹ
    ɹ
    ɹ
    εʔϓͷਖ਼ղσʔλͱͯ͠ར༻
    Ϩγϐͷࣗಈ෼ྨ
    

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13. Ϩγϐͷࣗಈ෼ྨ
    

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14. ϖʔδԼʹ
    ϑΟϧλʔ
    Ϩγϐͷࣗಈ෼ྨ
    

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15. ঎඼ͷݻ༗දݱೝࣝ
    

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16. ಛച৘ใʢళฮ͔Β౤ߘʣ
    ݻ༗දݱೝࣝ
    ঎඼ͷݻ༗දݱೝࣝ
    ͨ·Ͷ͗ݸ ԁ
    ͨ·Ͷ͗υϨογϯά ԁ
    
    ͨ·Ͷ͗ݸ
    ਺ྔ
    ঎඼໊
    ͨ·Ͷ͗υϨογϯά
    ঎඼໊
    ʮͨ·Ͷ͗ʯͰΠϯσΩγϯά
    ʮͨ·Ͷ͗υϨογϯάʯͰΠϯσΩγϯά
    0OMJOF
    Ϣʔβͷۙลͷళฮ͔Β
    ঎඼໊ʮͨ·Ͷ͗ʯΛݕࡧ
    

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17. ɾ$3'ʹΑΔݻ༗දݱೝࣝ
    ɹɾ$3'TVJUFΛར༻
    ɾ໿छྨͷϥϕϧΛఆٛ
    ɹɾFH঎඼໊ɺ࢈஍ɺ਺ྔɺ෦Ґ
    ɾਓखͰਖ਼ղσʔλΛߏங
    ɹɾܗଶૉղੳͱݻ༗දݱೝࣝͷਖ਼ղσʔλΛߏங
    ɹɾ֤ϞσϧΛ঎඼ʹ࠷దԽ
    ঎඼ͷݻ༗දݱೝࣝ
    

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18. ݻ༗දݱೝࣝͷਖ਼ղ ܗଶૉղੳͷਖ਼ղ
    ঎඼ͷݻ༗දݱೝࣝ
    

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19. ઍ༿࢈ʹΜ͡Μຊ
    ࠃ࢈ಲ೑ʢϞϞɾΧλʣ
    ࢈஍ ਺ྔ
    ઍ༿࢈ʹΜ͡Μຊ
    ࠃ࢈ಲ೑ʢϞϞɾΧλʣ
    ෦Ґ
    ঎඼໊
    ෦Ґ
    ࢈஍ ঎඼໊
    ঎඼ͷݻ༗දݱೝࣝ
    ͚ͨͷ͜ͷཬ ͚ͨͷ͜ͷཬ
    ঎඼໊
    

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20. ΫΤϦʹԠͯ͡࠷దͳίϯςϯπΛදࣔ
    ίϯςϯπͷ࠷దԽ
    

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21. ίϯςϯπͷ࠷దԽ
    ݙཱΛग़ͨ͠Βศརʁ
    Ϣʔβ͞ΜʹΑΔ
    ͓͢͢ΊϨγϐͱ͔
    ྉཧͷίπͳΜͯͲ͏ʁ
    6*͕ෳࡶԽ
    ৽͍͠ίϯςϯπΛग़ͦ͏ʂ
    χϡʔεɺಈըɺ
    

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22. ɾଟ࿹όϯσΟοτ
    ɹɾ୳ࡧͱ׆༻Λ࢖͍෼͚ͯใुΛ࠷େԽ
    ɹɹɾ୳ࡧɿ৘ใΛऩू͢ΔͨΊʹ࿹Λબ୒
    ɹɹɾ׆༻ɿऩूͨ͠࿹ʹج͍ͮͯ࿹Λબ୒
    ɹɾ୳ࡧͱ׆༻͸τϨʔυΦϑ
    ɾίϯςΩετ෇͖ଟ࿹όϯσΟοτ
    ɹɾ࿹ͷใु͕ίϯςΩετʹΑͬͯҧ͏ʢFH޿ࠂͷ$53ʣ
    ɹɾίϯςΩετΛૉੑͰදݱͯ͠ɺใु͕࠷େͱͳΔΑ͏ʹॏΈΛֶश
    ɹɾίϯςΩετ͝ͱʹ࿹Λબ୒
    ࿹
    ίϯςϯπͷ࠷దԽ
    

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23. ɾίϯςΩετ෇͖ଟ࿹όϯσΟοτʹΑΔίϯςϯπ࠷దԽ
    ɹɾ7PXQBM8BCCJUΛར༻
    ɾ࿹ʹίϯςϯπ
    ɹɾFHݙཱɺهࣄɺྉཧಈը
    ɾใुʹ$53
    ɹɾϢʔβʹظ଴͞ΕΔ࿹͕׆༻࣌ʹબ୒͞ΕΔ
    ɾ࿹ͷબ୒
    ɹɾ୳ࡧ࣌ɿҰ෦17ͰϥϯμϜʹબ୒
    ɹɾ׆༻࣌ɿ$53࠷େͱظ଴͞ΕΔ΋ͷΛબ୒
    10/9
    10/10%
    10/11%
    10/9
    10/10%
    10/11%
    m/d
    m/d md%
    
    %
    md%
    
    %
    construct%training%
    and%test%data
    m/d%
    %
    %m’/d’%
    
    mdm’d’%
    % Amazon%S3
    
    10/9%
    %
    10/11%
    
    …
    …
    predict%ac:ons learn%model%
    
    
    
    %
    
    %
    
    Offline
    
    explore
    exploit
    log*show/click*events
    
    Treasure*Data
    
    
    
    
    
    
    
    
    
    
    Online
    ίϯςϯπͷ࠷దԽ
    

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24. ɾ$53ഒ
    ɹɾ ׆༻࣌ͷ$53
    ୳ࡧ࣌ͷ$53
    
    ɾબ୒͞Εͨίϯςϯπʢׅހ಺͸֤ΫϦΤΠςΟϒͷ$53ʣ
    ྫྷౚཛ هࣄʢʣ
    ͚ͨͷ͜
    ๐ཱͯੜΫϦʔϜ؆୯
    جຊ஌ࣝʢʣ
    ྉཧಈըʢʣ
    ίϯςϯπͷ࠷దԽ
    

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25. ɾΫοΫύουʹ͓͚Δݚڀͷ׆༻ࣄྫ
    ɹɾϨγϐͷࣗಈ෼ྨ
    ɹɾ঎඼ͷݻ༗දݱೝࣝ
    ɹɾίϯςϯπͷ࠷దԽ
    ɾࠓޙͷల๬
    ɹɾػց຋༁ XFBSFIJSJOH
    
    ɹɾը૾ೝࣝʁ
    લ൒ͷ·ͱΊ
    IUUQSFDSVJUDPPLQBEDPN
    

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26. ֶज़తͳݚڀΛࢧԉ͢ΔऔΓ૊Έ
    

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27. Α͋͘Δ૬ஊ
    ʮϨγϐͷσʔλΛ࢖͍͍ͨʂݚڀ͕ਐ·ͳ͍ʂʂʂʯ
    

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28. ૬ஊ͝ͱʹఏڙɻ͚Ͳ
    ɾݸผରԠ͕େม
    ɹɾඞཁͳσʔλͷฉ͖औΓ
    ɹɾར༻ܖ໿ͷࡦఆɾక݁
    ɹɾσʔλͷ४උɾૹ෇
    ɾྉཧʹؔ͢Δݚڀ͕޿͕Βͳ͍
    ɹɾ૬ஊ͕͋Ε͹σʔλΛఏڙ͍ͯ͠Δ͜ͱΛ୭΋஌Βͳ͍
    ɹɾ݁ՌɺϓϩμΫτʹ׆༻Ͱ͖Δݚڀ੒Ռ͕ࣦΘΕΔ
    

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29. σʔλެ։
    

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30. ɾݚڀऀ
    ɹɾϨγϐσʔλ͕ར༻Մೳ
    ɹɾڞ௨ͷσʔληοτΛ௨ͯ͠ɺઌߦݚڀͱͷൺֱ͕༰қʹ
    ɾΫοΫύου
    ɹɾݸผରԠͷख͕ؒݮগʢσʔλɾར༻ܖ໿ͷҰຊԽʣ
    ɹɾྉཧʹؔ͢Δݚڀ͕૿Ճ
    8JO8JO
    

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31. ެ։σʔλʢϨγϐʣ
    ɾλΠτϧ
    ɾ֓ཁ
    ɾࡐྉ
    ɾखॱ
    ɾίπɾϙΠϯτ
    ɾ͜ͷϨγϐͷੜཱ͍ͪ
    ɾͭ͘ΕΆ
    ɾFUD
    

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32. ެ։σʔλʢݙཱʣ
    ɾλΠτϧ
    ɾ͜ͷݙཱͷϙΠϯτ
    ɾௐཧ࣌ؒ
    ɾஈऔΓͷίπ
    ɾओࡊ
    ɾ෭ࡊ
    ɾࢀߟʹͳͬͨʂ
    ɾ͜ͷݙཱͷओͳ৯ࡐδϟϯϧγʔϯ
    

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33. ར༻ํ๏
    ɾ/**Λ௨ͯ͡ར༻Մೳ
    ɹɾIUUQXXXOJJBDKQDTDFOUFSJESDPPLQBEDPPLQBEIUNM
    ɾެతͳݚڀػؔͷํ͕ར༻Մೳ
    ɹɾاۀͷݚڀػؔͷํ͸ผ్͝૬ஊ͍ͩ͘͞
    ɾར༻ن໿͸ҎԼͷϖʔδ
    ɹɾIUUQTDPPLQBEDPNUFSNTDPPLQBE@EBUB
    

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34. ਃ੥खॱ
    

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35. ਃ੥खॱ
    

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36. ίϯτϦϏϡʔγϣϯ
    ɾެ։͔Β࢛ϲ݄Ͱݚڀࣨʹఏڙ
    ɹɾجຊతʹ͸େֶ͔Βͷਃ੥ʢͨ·ʹߴઐͳͲ͔Β΋ʣ
    ɾاۀ͔Β΋ෳ਺ͷਃ੥
    ɹɾఏڙՄೳ͔͸Ҋ݅࣍ୈʢݚڀ໨తͰͳ͍Ҋ݅͸μϝʣ
    ɾࠓޙɺڞ௨ͷσʔληοτͱͯ͠ར༻Մೳ
    ɹɾઌߦݚڀͱͷൺֱ͕༰қʹ
    

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37. ϋοΧιϯʢ༨ஊʣ
    ४උͷख͕ؒল͚ͨ
    
    

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38. ɾֶज़తͳݚڀΛࢧԉ͢ΔऔΓ૊Έ
    ɹɾΫοΫύουσʔλͷެ։
    ɹɾݚڀࣨʹఏڙࡁΈ
    ɾࠓޙͷల๬
    ɹɾը૾ެ։ʢ༧ఆʣ
    ɹɾ৯ϝσΟΞݚڀձͷ։࠵ʢ݄ʣ
    ޙ൒ͷ·ͱΊ
    

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39. ·ͱΊ
    

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40. ·ͱΊ
    ຊൃදͰ͸ɺΫοΫύουʹ͓͚Δ࠷৽ͷݚڀͷ׆༻ࣄྫͱֶज़తͳݚڀΛ
    ࢧԉ͢ΔͨΊͷऔΓ૊Έʹ͍ͭͯ঺հ͠·ͨ͠ɻΫοΫύουͰ͸ɺࠓ݄ɺ
    ݚڀྖҬΛઐ໳ʹѻ͏νʔϜ΋ൃ଍͠·ͨ͠ɻࠓޙɺΑΓҰ૚ݚڀྖҬʹྗ
    ΛೖΕ͍ͯ͘༧ఆͰ͢ɻ
    ΫοΫύου ݚڀ
    

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