Slide 1

Slide 1 text

࿦จ঺հ Bidding Machine: Learning to Bid for Directly Optimizing Profits in Display Advertising Ren, Kan, et al. "Bidding machine: Learning to bid for directly optimizing profits in display advertising." IEEE Transactions on Knowledge and Data Engineering 30.4 (2017): 645-659. https://arxiv.org/abs/1803.02194 %4࿦จಡΈձ ੢ྛ޹ 5BLBTIJ/JTIJCBZBTIJ

Slide 2

Slide 2 text

֓ཁ ● 35#ೖࡳϑϨʔϜϫʔΫ#JEEJOH.BDIJOF Ҏ߱#.ͱදه ΛఏҊ ● #.͸ΠϯϓϨογϣϯͷޮ༻ਪఆɾ#JE-BOETDBQF༧ଌɾೖࡳֹۚ࠷ దԽͷͭͷ໰୊ΛҰॹʹղ͘ॴʹ৽نੑ͕͋Δ ● ্هͭͷ໰୊͸૬ޓʹӨڹΛ༩͑Δ͕ैདྷ͸ͦΕͧΕݸผʹղ͔Ε͍ͯ ͨࣄΛαʔϕΠʹΑΓࣔͨ͠ ● ΦϑϥΠϯݕূ͓ΑͼΦϯϥΠϯ"#5FTUͰఏҊख๏Λݕূͨ͠

Slide 3

Slide 3 text

ϝλ৘ใ ● 5,%& 5SBOTBDUJPOTPO,OPXMFEHFBOE%BUB&OHJOFFSJOH ʹ౤ߘ͞Ε ͨ΋ͷɻ5,%&͸*&&&*$%& *OUFSOBUJPOBM$POGFSFODFPG%BUB&OHJOFFSJOH ͷ࿦จ౤ߘτϥοΫͷͭɻ ○ IUUQTXXXVUEBMMBTFEVJDEFJOEFYIUNM ● TUBVUIPSͷ3FO,BOࢯ͸౤ߘ࣌఺Ͱ͸ത࢜՝ఔɺ೥ݱࡏ͸.JDSPTPGU 3FTFBSDIॴଐ ○ IUUQXXXTBZJOHSFO ○ #JE-BOETDBQF'PSFDBTUJOH౳ɺ%41ͷλεΫʹؔ͢Δ࿦จΛଞʹ΋౤ߘ͠ ͍ͯΔ ● :0:*%41ͱڞಉͰ΍͍ͬͯΔ

Slide 4

Slide 4 text

എܠ ● %41ͷղઆ ○ ఏҊख๏ΛσϓϩΠͨ͠ͷ͸:0:*%41 ○ IUUQTXXXZPZJDPNDOFO"#065 ● %41ͷΑ͋͘Δೖࡳֹۚ࠷దԽͷखॱ͕·ͱ·͍ͬͯΔ

Slide 5

Slide 5 text

No content

Slide 6

Slide 6 text

എܠ ଓ͖ ● ϢʔβʔϨεϙϯε༧ଌ ○ $53ɾ$73༧ଌ ○ όΠφϦճؼ໰୊ͱͯ͠ఆࣜԽͯ͠Ͱ͖ɺػցֶशϞσϧͰղ͘ࣄ͕Ͱ͖ Δ ● ίετਪఆ ○ ࢢ৔Ձ֨෼෍Λ༧ଌ͢ΔλεΫ #JE-BOETDBQF༧ଌ ● ೖࡳֹۚ࠷దԽ ○ $53ͱίετʹج͍ͮͯɺΩϟϯϖʔϯ༧ࢉɾΦʔΫγϣϯϘϦϡʔϜ౳ Λߟྀͯ͠࠷దͳೖࡳؔ਺ΛٻΊΔ

Slide 7

Slide 7 text

എܠ ଓ͖ ● ͭͷλεΫΛݸผʹ࠷దԽ͢Δͷ͸্ख͍͔͘ͳ͍ ● $53༧ଌɾίετ༧ଌ͸࠷ऴతͳ35#ೖࡳͷޮ༻Ͱֶश͞ΕΔ΂͖ ● $53༧ଌͩͱΫϦοΫ͕ಘΒΕͳ͔ͬͨ࣌ͷίετ͸ൃੜ͢Δ͕ɺΠϯϓϨο γϣϯΛࣦͳ͏ίετ͸ແ͍ͨΊ$53༧ଌͷඞཁͳਫ਼౓͸< >ͷൣғͰಉ͡ Ͱ͸ͳ͍ ● ڝ૪ͷܹ͍͠Ωϟϯϖʔϯʹ͓͍ͯ͸མࡳͰ͖Δ͔Ͳ͏͔ͷ༧ଌͷ৴པ౓͸௿ ͍ OEQSJDFBVDUJPOͳͷͰ ● ༧ࢉ੍໿Լʹ͓͍ͯ$53༧ଌͱམࡳՁ֨ͷ྆ํʹ͍ͭͯͭͷ࠷దԽϞσϧΛ ૊Έ͋ΘͤΔͱ༗ޮͰ͋ΔࣄΛஶऀ͸֬ೝ͍ͯ͠Δ

Slide 8

Slide 8 text

ఏҊख๏ ● Ϩεϙϯε༧ଌɾίετ༧ଌɾೖࡳֹۚ࠷దԽͷͭͷλεΫΛҰॹ ʹղ͍ͯརӹΛ௚઀૿Ճͤ͞ΔแׅతͳೖࡳϑϨʔϜϫʔΫ ○ #JEEJOH.BDIJOF Ҏ߱#.ͱදه ● ೖࡳͷޮ༻͔Β$53༧ଌϞσϧͷ܇࿅ʹ࢖͏ϩεؔ਺Λಋग़ͯ͠ ར༻͢Δ ○ 㱠$SPTT&OUSPQZ࠷খԽ

Slide 9

Slide 9 text

ؔ࿈ݚڀ ● ͔ͬ͠ΓαʔϕΠͯ͋ͬͯ͠ಡΈԠ͕͑͋Δ ● 3FTQPOTF1SFEJDUJPO $53ɾ$73༧ଌ ○ -PHJTUJD3FHSFTTJPO 5SFFCBTFENPEFM (#%5 'BDUPSJ[BUJPO.BDIJOFTͳͲ͕࢖ΘΕΔ ○ ଞʹ͸'53- #BZFTJBO1SPCJUSFHSFTTJPOʜ ○ ධՁࢦඪ͸"6$΍3FMBUJWF*OGPSNBUJPO(BJO 3*( ͕࢖ΘΕΔ ● #JE-BOETDBQF༧ଌ ○ ޿ࠂͷΠϯϕϯτϦຖʹ༧ଌͨ͠ΓɺπϦʔϞσϧΛ࢖ͬͨΓ

Slide 10

Slide 10 text

ؔ࿈ݚڀ ଓ͖ ● ೖࡳֹۚ࠷దԽ ○ ͜ͷ࿦จͰ͸ओʹηΧϯυϓϥΠεΦʔΫγϣϯલఏ ○ ΦʔΫγϣϯཧ࿦ʹΑΓ5SVUIGVM#JEEJOH͕࠷దͱূ໌͞Ε͍ͯΔ ○ ͔͠͠༧ࢉ੍໿ͳͲ͕͋Δ࣌ʹ͸࠷దͰ͸ͳ͘ͳΔ ○ MJOFBSCJEEJOHTUSBUFHZ͸޿͘࢖ΘΕ͍ͯΔ ■ $53΍$73ʹఆ਺஋Λ৐ࢉͨ͠΋ͷ ○ $73ϦϑτʹΑͬͯೖࡳՁ֨Λܾఆ͢ΔϦϑτϕʔεͷೖࡳઓུͷఏҊ΋ ͋Δ ● ࢢ৔Ձ֨ͷ෼෍ͷӨڹ͸ͦΕ΄Ͳߟྀ͞Ε͍ͯͳ͍͠࠷ऴతͳΩϟϯϖʔϯͷ ޮ༻͸໨తؔ਺ʹ൓ө͞Ε͍ͯͳ͍ͷͰ๬·͘͠ͳ͍݁ՌʹͳΓ͏Δ

Slide 11

Slide 11 text

3FMBUJWF*OGPSNBUJPO(BJO 3*( ● ฏۉ஋Λ༧ଌ஋ͱͨ͠ͱ͖ͱൺֱͯ͠૬ରతʹMPHMPTT͕ͲΕ͚ͩݮ͔ͬͨ ● -PHMPTT3FEVDUJPOͱ΋ ● զʑͷ؀ڥͰ͸%BUBEPHͰϝτϦΫεΛऔಘ͍ͯ͠Δ

Slide 12

Slide 12 text

1SPCMFN%FGJOJUJPOPG#JEEJOH.BDIJOF ● OPUBUJPOʹ͍ͭͯ΋αʔϕΠͨ݁͠Ռ͕ॻ͍ͯ͋ͬͯɺΑ͋͘Δه๏ ͕஌ΕͯͨΊʹͳΔ

Slide 13

Slide 13 text

উ཰ͱ໿ఆֹۚͷظ଴஋ Q[ [ Λ࠷ߴೖࡳֹۚͷ֬཰ີ౓ؔ਺ͱͯ͠ উͬͨ࣌ͷظ଴ίετ

Slide 14

Slide 14 text

ఆࣜԽ ޮ༻Λ࠷େʹ͢Δ ೖࡳֹܾۚఆؔ਺C *NQՁ஋ධՁύϥϝʔλВ ࢢ৔Ձ֨෼෍ύϥϝʔλЇΛٻΊΔ ೖࡳޮ༻͸͢΂ͯͷ #JE3FRVFTUYͱೖࡳ݁ՌZ FHDMJDL ʹ͍ͭͯ Є ಘͨՁ஋ࢢ৔Ձ֨ ºউ཰

Slide 15

Slide 15 text

6TFS3FTQPOTFͷֶश ● #JOBSZ3FHSFTTJPO͔ͩΒΑ͋͘Δखͱͯ͠͸$SPTT&OUSPQZ࠷খԽͳΜ ͚ͩͲɺ͜͜Ͱ͸ఏҊख๏Ͱ͋Δೖࡳޮ༻ΛμΠϨΫτʹԡ͋͛͠Δ༷ʹ ֶश͍ͯ͠Δ ● #JE3FRVFTUͱϨεϙϯε݅ʹ͍ͭͯύϥϝʔλВͷޮ༻Λ3&6 ͱ͢Δͱσʔληοτશମ͸ ηΧϯυϓϥΠεΦʔΫγϣ ϯͳͷͰಘͨՁ஋ͱࢢ৔Ձ֨ ͷࠩʹͳ͍ͬͯΔ

Slide 16

Slide 16 text

6TFS3FTQPOTFͷֶश ଓ͖ ● σʔληοτશମͰΈͨͱ͖ͷޮ༻Λ࠷େʹ͢ΔύϥϝʔλВ͸ В͸-PHJTUJDճؼͳΒXFJHIUͩͱࢥ͑͹ྑ͍

Slide 17

Slide 17 text

.PEFM3FBMJ[BUJPO ● $53༧ଌϞσϧͷ໨తؔ਺ʹC GВ Y ͕ೖ͍ͬͯΔͷͰCJEEJOHGVODUJPO ೖࡳֹܾۚఆؔ਺ ͕ඞཁ ● 4DBMJOHQBSBNFUFSЛΛ෇Ճͨ͠-JOFBS.PEFMΛ࠾༻

Slide 18

Slide 18 text

-JOLTUP1SFWJPVT8PSL ● ࣮ݧͰൺֱର৅ʹͳΔ$53༧ଌثɺͲͪΒ΋Կނ͔ਖ਼ଇԽ߲ͳ͠ ● ೋ৐ޡࠩଛࣦؔ਺Λ࢖ͬͨϩδεςΟοΫճؼ ● Α͋͘Δ$SPTTFOUSPQZଛࣦؔ਺Λ࢖ͬͨϩδεςΟοΫճؼ

Slide 19

Slide 19 text

$PTU.BSLFU$PNQFUJUJPO.PEFMJOH ● ࠷ߴೖࡳֹۚͷ෼෍ͷϞσϦϯά ● ύϥϝτϦοΫͳ෼෍Λߟ͑Δ ● ෼෍ͷύϥϝʔλΛЇͱͯ͠ɺ΍͸ΓརӹΛԡ͋͛͠ΔΑ͏ʹЇΛֶशͨ͠ ͍ͷͰɺ޿ࠂओརӹͷ͔ࣜΒޯ഑Λಋग़͍ͯ͘͠ɻ

Slide 20

Slide 20 text

ʙ ύλʔϯʹ͍ͭͯEJTDVTTͯ͠Δ͚ͲɺͲΕΛ࠾༻ͨ͠ͷ͔Θ͔Βͳ͍ʜʜ ● Ұ༷෼෍ ● ઢܗϞσϧ ● ೋ࣍ܗࣜ

Slide 21

Slide 21 text

#JE0QUJNJ[BUJPO ೖࡳֹܾۚఆؔ਺ͷνϡʔχϯά ● ʮUIFMJOFBSCJEEJOHGVODUJPOC V XSUUIFVUJMJUZVJTUIFPQUJNBM CJEEJOHTUSBUFHZVOEFSUIFTFDPOEQSJDFBVDUJPOʯ ● 5SVUIGVM#JEEJOH͕༧ࢉ੍໿ਚ͖܁Γฦ͠ΦʔΫγϣϯʹ͓͍ͯ͸0QUJNBM ͡Όͳ͍ͱ͍͏ͷ͸ྑ͘ग़ͯ͘Δ࿩͚ͩͲɺ-JOFBS'VODUJPO͕0QUJNBMͩͱ ূ໌͍ͯ͠Δˠ"QQFOEJY# ͜͜Ͱ͸ύϥϝʔλ Ѝ ΨϯϚ ΛٻΊ͍ͨ

Slide 22

Slide 22 text

#JE0QUJNJ[BUJPO ଓ͖ ༧ࢉ੍໿Λϥάϥϯδϡ؇࿨͢Δͱ

Slide 23

Slide 23 text

#JE0QUJNJ[BUJPO ଓ͖ ϥάϥϯδϡؔ਺ͷภඍ෼͸θϩͳͷͰ ͋ͱ͸γʹ͍ͭͯղ͘ɻղੳղ͸ٻ·Βͳ͍͚Ͳɺγʹରͯ͠୯ௐݮগͳͷ ͰγΛಈ͔͍͚ͯ͠͹؆୯ʹٻ·Δɻ

Slide 24

Slide 24 text

࣮ݧσʔλͱઃఆ ● %BUBTFU ○ ΦϑϥΠϯ ■ J1JO:PV ■ :0:* ■ ͦΕͧΕOFHBUJWFEPXOTBNQMJOHͯ͠࢖ͬͨ ○ ΦϯϥΠϯ ■ "#5FTUBU:0:*%41 ● ઃఆ ○ $53༧ଌͱ#JE-BOETDBQF༧ଌ͸༧ࢉ੍໿ͳ͠ ○ #JEEJOH'VODUJPO͸༧ࢉ੍໿͋Γ

Slide 25

Slide 25 text

ධՁࢦඪ ● DBNQBJHOQFSGPSNBODF ○ ޿ࠂओརӹ 30* F$1$ $1. $53 উ཰ ● $53༧ଌϞσϧ ○ "6$ 3.4& ● #JE-BOETDBQF༧ଌ ○ "/-1 BWFSBHFEOFHBUJWFMPHQSPCBCJMJUZ

Slide 26

Slide 26 text

ൺֱର৅ ● $53༧ଌ ○ $&$SPTT&OUSPQZϩεؔ਺Ͱ܇࿅ͨ͠ϩδεςΟοΫճؼ ○ 4&ฏۉೋ৐ޡࠩؔ਺Ͱ܇࿅ͨ͠ϩδεςΟοΫճؼ ○ &6ఏҊख๏&YQFDUFE6UJMJUZ ○ 33ఏҊख๏3JTL3FUVSONPEFM ○ #.ఏҊख๏$53FTUJNBUJPONPEFMXJUINBSLFUNPEFMJOH ● '53-Ͱ܇࿅͍ͯ͠ΔͬΆ͍ USBJOJOHSPVOE͕Մೳ

Slide 27

Slide 27 text

ൺֱର৅ ● CJEEJOHGVODUJPO ○ $&-*/ ■ $SPTT&OUSPQZϩεؔ਺Ͱ܇࿅ͨ͠ϩδεςΟοΫճؼ $53༧ଌϞσϧ-JOFBS.PEFM ○ 035# ■ ஶऀͷલͷ࿦จ ○ 1306%QSVEFOUCJEEFS ଞͷਓͷ ○ #. ఏҊख๏

Slide 28

Slide 28 text

$BNQBJHO1SPGJU0QUJNJ[BUJPO

Slide 29

Slide 29 text

$BNQBJHO1SPGJU0QUJNJ[BUJPO l0VSNPEFMT CPUI&6BOE33 PVUQFSGPSNUIFCBTFMJOFTJOUFSNTPG$53 BOEF$1$XJUIDPNQBSBCMF$1.BOEBSFMBUJWFMZMPXXJOOJOHSBUF5IJT JOEJDBUFTEU and RR successfully allocate the budget to high quality cost- effective ad inventories and avoid on the low quality onesz

Slide 30

Slide 30 text

#JEEJOH%BUB"OBMZTJT ໿ఆֹۚʹ͍ۙॴͰೖࡳͰ͖ͯ ͍Δɻ ߴֹೖࡳʹΑΔ༧ࢉফԽͷׂ߹ ͕ˠ

Slide 31

Slide 31 text

#JEEJOH.BDIJOFT

Slide 32

Slide 32 text

0OMJOF"#5FTU ● :0:*1-64QMBUGPSNʹࡌͤͯςετͨ͠ɺ͜Ε͸தࠃͷNBJO %41 NBJOͱ͸ ● 5FTU͸QIBTF ● $53༧ଌϞσϧͷςετΛσεΫτοϓτϥϑΟοΫͰ ● ϞόΠϧΠϯϕϯτϦݶఆΩϟϯϖʔϯͰೖࡳετϥςδͷൺֱ ● ൺֱ͢ΔͷʹϞσϧຖͷ༧ࢉ͸ಉ͡ʹઃఆͨ͠ ● ௨՟͸ਓຽݩ

Slide 33

Slide 33 text

0OMJOF"#5FTU1IBTF

Slide 34

Slide 34 text

0OMJOF"#5FTU1IBTF ● l8FUFTUPWFSDBNQBJHOTEVSJOH+BOVBSZ z ● $53༧ଌثൺֱ ○ &6 &YQFDUFE6UJMJUZ 33 3JTL3FUVSO $& ○ '. 'BDUPSJ[BUJPO.BDIJOF ● l.BVDUJPOTJODMVEJOH.JNQSFTTJPOT DMJDLTBOE $/: CVEHFUDPTUz ● &6ͷ30*͕ߴͯ͘1SPGJU΋େ͖͍ɺ&6͸F$1$͕௿͍ͷͰΫϦοΫ͕҆͘ม͑ ͍ͯΔ ● ͔͠΋$53͕ߴ͍

Slide 35

Slide 35 text

0OMJOF"#5FTU1IBTF

Slide 36

Slide 36 text

0OMJOF"#5FTU1IBTF ● l8FUFTUPWFSDBNQBJHOTPOUIFNPCJMFQMBUGPSN EVSJOHEBZTJO"QSJM z ● l5IFXIPMFUFTUFECJEGMPXJOWPMWFT.BVDUJPOT JODMVEJOH.JNQSFTTJPOTBOE,DMJDLTBOE UPUBMMZ,$/:CVEHFUDPTUz ● #.͕Ұ൪རӹ͕େ͖͍ ● ΦϑϥΠϯςετͱ݁Ռҧ͏͚Ͳɺͦ͏͍͏͜ͱ΋͋Δ

Slide 37

Slide 37 text

·ͱΊ ● ఏҊख๏ͷ༗ޮੑΛ֬ೝͨ͠ ͍ͭ΋ͷ΍ͭ

Slide 38

Slide 38 text

ֶͼ ● ηΧϯυϓϥΠεΦʔΫγϣϯͰ΋#JE-BOETDBQF͸࢖͓͏ ● ޿ࠂओརӹΛ࠷େԽ͢Δ$53༧ଌثͷ܇࿅͕Մೳ ͨͩ͠π ϦʔܥΞϧΰϦζϜ͸ෆՄ ● ϑϦΫΤϯγʔճ਺ௐ੔ύϥϝʔλ΋͜Εͱಉ༷ʹֶशͰ͖ Δ͸ͣ ● #JE-BOETDBQFͷ෼෍ϑΥʔϜ͸݁ہͲΕΛ࢖ͬͨͷ͔Θ͔ Βͳ͔ͬͨ