#BTFMJOFಛྔΛͯ͢DPODBUFOBUF w -BUFOU$SPTT2VFSZ2VFSZ͚ͩ-BUFOU$SPTT w .VMUJQMJDBUJPO'JSTU-BUFOU$SPTTΛDPODBUFOBUFʹ w ,FSOFM.$/.$/ΛҰ෦มߋɹ Offline Experimental Results հจ̍ Matching Cross Network for Learning to Rank in Personal Search &NCFEEJOHཁૉੵͱ-BUFOU$SPTTΛ Έ߹ΘͤΔ͜ͱ͕ޮՌతͰ͋Δ͜ͱ͕Θ͔Δ 1୯Ґߦྻ
"$1 ɹɹɹɹɹɹɹɹɹɹɹɹɹɹɹ .ΫϦοΫ͞Εͨηογϣϯ w "CBOEPO3BUF w -POH$MJDLQFS4FTTJPOυΩϡϝϯτΛඵҎ্Ӿཡ w 5JNFUP$MJDLΫϦοΫʹ͔͔Δ࣌ؒɹ հจ̍ Matching Cross Network for Learning to Rank in Personal Search Online Experimental Results ͯ͢ͷࢦඪ͕༗ҙʹվળ͞ΕͨͨΊ (PPHMF%SJWFͷݕࡧͷϞσϧΛϦϓϨʔε ˣ͕͍ํ͕ྑ͍ࢦඪ
(PPHMF%SJWFͷݕࡧʹ͍ͭͯΕͯ໘ന͔ͬͨ ୯ʹpMUFSJOHͩͱࢥͬͯͨ w ηϚϯςΟοΫϚονϯάͷ෦Λͬͱෳࡶͳͷʹ͢ΔͳͲɺԠ༻͕Ͱ͖ͦ͏ հจ̍ Matching Cross Network for Learning to Rank in Personal Search
తϥϕϧूͱ͍͏ΞϓϩʔνΛࢼΈͨɻ Amazon, Echo, Alexa and all related logos are trademarks of Amazon.com, Inc. or its affiliates. Motivation հจ̎ Multi-Objective Ranking Optimization for Product Search Using Stochastic Label Aggregation
Using Stochastic Label Aggregation ·ͱΊ w ԻʹΑΔݕࡧͰଟతϥϯΩϯά࠷దԽΛߦͬͨݚڀ w ֬తϥϕϧूͱ1IBTFNPEFMޮՌతͰ͋ͬͨ ײ w 8BOUFEMZ7JTJUͷਪનଟత࠷దԽͱ͍͏ଆ໘͋ΔͷͰɺ࣮ʹΞΠσΟΞΛར༻Ͱ͖ͦ͏ w ཧతੳͱղઆ͕ৄ͘͠ॻ͔Ε͍ͯͯྑ͍ͱࢥͬͨ
͏ɻ 8FC"MMجௐߨԋ Bias on the Web and Beyond Bias on the web. Ricardo Baeza-Yates https://doi.org/10.1145/3209581 Motivation όΠΞεʹؾ͚ͮͣʹγεςϜ։ൃΛ͢Δͱ ϢʔβɾαʔϏεʹѱӨڹΛٴ΅͢Մೳੑ
ݱࡏɺੈքͰΘΕ͍ͯΔݴޠ7100छྨ͋ΔͷʹɺWikipediaͰΘΕ͍ͯΔͷ299ݴޠ͚ͩɻ 8FC"MMجௐߨԋ Bias on the Web and Beyond ڭҭɾܦࡁɾٕज़తόΠΞεʹΑͬͯ ΠϯλʔωοτʹΞΫηε͍ͯ͠Δਓภ͍ͬͯΔ https://upload.wikimedia.org/wikipedia/commons/1/1d/ Www.wikipedia.org_screenshot_2018.png
8FC"MMجௐߨԋ Bias on the Web and Beyond ͜ΕҎ֎ʹਓछ ྸ फڭ ࣏ ཧʜ ༷ʑͳཁҼͰσʔλʹόΠΞε͕͔͔Δ ੑผόΠΞε Bias on the web. Ricardo Baeza-Yates https://doi.org/10.1145/3209581
8FC"MMجௐߨԋ Bias on the Web and Beyond ωοτ্ͰΈΜͳͷҙݟͩͱࢥΘΕ͍ͯΔ͜ͱ ͦ͏Ͱͳ͍ͱ͍͏͜ͱ͋Δ Amazon༗ྉͷِϨϏϡʔࢭΩϟϯϖʔϯͰ1000ਓ ͷϑΣΠΫϨϏϡΞʔΛఠൃͨ͜͠ͱ͋Δ ϑΣΠΫϨϏϡʔ https://www.theguardian.com/international
w ϙδγϣϯόΠΞεࠨ্ΫϦοΫ͞Ε͍͢ w ϥϯΩϯάόΠΞεϥϯΩϯά্͕Ґͷͷ΄ͲΫϦοΫ͞Ε͍͢ Bias on the web. Ricardo Baeza-Yates ɹhttps://dl.acm.org/doi/pdf/10.1145/3209581 8FC"MMجௐߨԋ Bias on the Web and Beyond ͜ΕΒ૬ޓʹ࡞༻͢ΔͨΊ όΠΞεͷඇৗʹࠔ The Evolution of Google's Search Results Pages & Effects on User Behaviour
ϯπΛࢀߟʹͯ͠ϦϯΫΛΔέʔε͋Δɻෳ͞Ε ͨใͱϦϯΫʹΑͬͯɺݕࡧΤϯδϯ͕͞ΒʹόΠΞ εΛ͔͚ͯ͠·͏߹͕͋Δɻ ·ͨɺաͳύʔιφϥΠζΞϧΰϦζϜดͨ͡ੈք Λ࡞Γग़ͯ͠͠·͏ɻ Degenerate Feedback Loops in Recommender Systems Ray Jiang, Silvia Chiappa, Tor Lattimore, Andras Agyorgy, and Pushmeet Kohli. 8FC"MMجௐߨԋ Bias on the Web and Beyond ଟ༷ੑɾηϨϯσΟϐςΟͷେ͞
·ͱΊ w όΠΞεͷରॲʹɺ·ͣόΠΞεΛೝ͢Δ͜ͱ͔Β࢝·Δ w όΠΞεΛߟྀ͠ɺ༏ΕͨγεςϜઃܭΛ͢Δඞཁ͕͋Δ ײ w ͜ͷεϥΠυʹهࡌग़དྷͳ͔͕ͬͨɺଞʹࢁͷࣄྫ͕͋ͬͯͱͯڵຯਂ͔ͬͨ w ଟ͘ฉ͍ͨ͜ͱ͕͋Δ͜ͱɾ૾͕༰қͳ͜ͱ͕ͩͬͨɺؾΛ͚͍ͭͯͳ͍ͱݟಀͯ͠͠·͏͜ͱͰ ͋Δͱࢥ͍ɺͱͯؾ͕࣋ͪҾ͖క·ͬͨ