KDD2018 ダイジェスト @ Data Ship Update Lecture #6

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1. KDD2018 μΠδΣετ ߴޱ ଠ࿕ Data Ship Update Lecture #6 2018/11/07 1
2. KDD 2018 • 2018/08/19 ~ 23 ։࠵ • ࢀՃొ࿥99Χࠃ͔Β3,377ਓ • اۀεϙϯαʔ120ສυϧ • ࿦จ౤ߘ1,480݅ • ʢ͍ͣΕ΋աڈ࠷ߴʣ • νϡʔτϦΞϧ29݅ʢ1೔໨ʣ • ϫʔΫγϣοϓ25݅ʢ2೔໨ʣ • ϋϯζΦϯ8݅ • 3~5ηογϣϯಉ࣌ฒߦ • ଞʹ΋Πϕϯτଟ਺ 2
4. ֶձظؒதͷاۀΠϕϯτ ৘ใަ׵ɺωοτϫʔΩϯάɺϦΫϧʔςΟϯά 4
5. ݸਓతͳࢀՃςʔϚɿʮղऍੑʯ • ʮͳͥ෼ੳ݁Ռ͔Βʓʓͱ͍͑Δͷ͔ʁʯ • ਓɾ૊৫ͷҙࢥܾఆΛόοΫΞοϓ͢Δ • ࠷ઌ୺ͷݚڀ͕ඞཁʁ
 ɹ৽͍͠ɺΑΓෳࡶͳσʔλˍλεΫ
 ɹղऍੑΛߴΊΔສೳͳํ๏͸ଘࡏ͠ͳ͍ ࢀߟʹͳΔ΢Σϒϖʔδ ݪ૱͞Μʢେࡕେʣ ʮࢲͷϒοΫϚʔΫɿػցֶशʹ͓͚Δղऍੑʯ https://www.ai-gakkai.or.jp/my-bookmark_vol33-no3/ 5
6. TUTORIAL ON CAUSAL INFERENCE AND COUNTERFACTUAL REASONING • A. Sharma & E. KicimanʢMicrosoft Researchʣ • ҼՌਪ࿦ɿ؍࡯σʔλ͔ΒҼՌؔ܎Λਪఆ͢Δ • ߨٛεϥΠυ https://causalinference.gitlab.io/kdd-tutorial/ ग़యɿߨٛεϥΠυ 6
7. ODD WORKSHOP ON OUTLIER DETECTION DE-CONSTRUCTED http://www.andrew.cmu.edu/user/lakoglu/odd/index.html 1. Ͳͷσʔλ͕֎Ε஋͔ʁ 2. ൑ఆ͞Εͨσʔλ͸Ͳ͏͍͏ҙຯͰʮ֎Ε஋ʯ͔ʁ • 'Making sense of unusual suspects - Finding and Characterizing Outliers' • 'The Outlier Description Problem - Complexity Results, Declarative Formulations and Applications ' • 'Outlier Description and Interpretation’ • 'Outlier Detection for Mining Social Misbehavior' ̐݅ͷট଴ߨԋ 7
8. OUTLIER DETECTION FOR MINING SOCIAL MISBEHAVIOR Neil ShahʢSnap Researchʣ 1. ϑΣΠΫΞΧ΢ϯτʹΑΔϑΥϩʔ਺ͷਫ૿͠ 2. ϘοτʹΑΔϥΠϒετϦʔϜࢹௌ਺ͷਫ૿͠ ग़యɿhttp://www.andrew.cmu.edu/user/lakoglu/odd/Shah-outlier-detection- misbehavior-keynote.pdf 8
9. APPLYING THE DELTA METHOD IN METRIC ANALYTICS: A PRACTICAL GUIDE WITH NOVEL IDEAS • A. Deng, U. Knoblich, & J. LuʢMicrosoftʣ • ෳࡶͳࢦඪͷ৴པ۠ؒΛۙࣅܭࢉ͢Δ • ฏۉ஋ͷൺ • ϥϯμϜׂΓ౰ͯ୯Ґͱूܭ୯Ґ͕ҟͳΔͱ͖
 ʢྫɿA/B ςετ֤܈ͷ΢Σϒηογϣϯ௕ͷฏۉʣ • ύʔηϯλΠϧ఺ ग़యɿhttps://dl.acm.org/citation.cfm?id=3219819.3219919 9
10. CUSTOMIZED REGRESSION MODEL FOR AIRBNB DYNAMIC PRICING • P. Ye, et al.ʢAirbnbʣ • Airbnb ͷϗετ޲͚Ձ֨ʢ೔෇ɾ෺݅ʣఏҊϞσϧ ग़యɿhttps://dl.acm.org/citation.cfm?id=3219830 10
11. ฐࣾͷαϙʔτ੍౓ • ΤϯδχΞ͸೥ʹ̍ճ޷͖ͳٕज़ΧϯϑΝϨϯεʹ ࢀՃ͢Δ͜ͱ͕Ͱ͖ͯɺձ͔ࣾΒࢀՃͷͨΊʹඞཁ ͳඅ༻ͳͲͷαϙʔτ΋ड͚ΒΕΔ • ͶΒ͍ʢݸਓతͳղऍʣɿطଘͷۀ຿ΛάϨʔυ Ξοϓ͢Δɺࠓ·ͰͰ͖ͳ͔ͬͨ͜ͱΛ࣮ݱ͢Δ • ࢀՃϨϙʔτΛॻ͖·ͨ͠ʢߴ༄ͱͷڞಉࣥචʣ https://engineering.linecorp.com/ja/blog/detail/364 11
12. DATA ANALYSIS νʔϜͷงғؾ • ത࢜ɾݚڀऀग़਎ͷϝϯόʔൺ཰͕ߴ͍ • ࿦จͳͲͷ৘ใڞ༗͸೔ৗతʹߦΘΕ͍ͯΔ • ࿦จΛಡΉ໨తɿۀ຿Λޮ཰Խ͢Δ
 ɹɹɹɹɹɹɹɹΞ΢τϓοτͷਫ਼౓ΛߴΊΔ
 ɹɹɹɹɹɹɹɹམͱ݀͠ʹ͸·Βͳ͍Α͏ʹ͢Δ • νʔϜͷڧΈɿ
 αΠΤϯε & ΤϯδχΞϦϯάͷ྆ྠ
 ݸʑਓͷಘͨ஌ݟ͕ϥΠϒϥϦ΍಺੡πʔϧʹ
 औΓࠐ·Εͯ࢓૊ΈԽ͞Ε͍ͯ͘ 12