Netflix Personalization Trends in 40 Characters
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우리는 지금 무엇을 하고있는지를 고민하나요? 아니면 무엇이 되어가고 있는지를 고민하나요? 네 맞습니다. 우리는 매년 무엇을 할지 고민합니다. 그런데 중요한것은 방향 즉 어디를 가고 있는지 입니다. 그래서 넷플릭스의 추천 시스템이 어디를 향해 가고 있는지를 살펴보고 추천시스템의 향해 가야할 Goal에 대하여 같이 이야기를 해보고자 합니다
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Netflix Personalization Trends in 40 Characters
- 2. QJ ୭ӏ • ೞੌח • ୶ୌؘఠ࠙ࢳ • ࢚ਤ୶ୌҗઁۚࣻ݀ࢶࣽਤࢸ • ஂؘ۽ఠ࠙ࢳਸૌѹ೮ ؘח ੋݫ+PCפغjஂܳणפ https://brunch.co.kr/@goodvc78
- 3. • աח ח Ҕ ইצ, ਸ Ҕਵ۽ ੋ. ݺਵ۽दೞҊפ झ౭࠳झJ1IPOFߊীࢲ
- 4. • աח ח Ҕ ইצ, ਸ Ҕਵ۽ ੋ. • ա ࢿݺ ࠁ যڃ ࢎۈ ؼܳ ݢ ࢤпೞۄ ݺਵ۽दೞҊפ ইझզਬझযڃъোীࢲ
- 5. • աח ח Ҕ ইצ, ਸ Ҕਵ۽ ੋ. • ա ࢿݺ ࠁ যڃ ࢎۈ ؼܳ ݢ ࢤпೞۄ • Ә ޖਸ ೞҊ חоܳ Ҋೞभפ ө? ইݶפ, Ә ޖ غযоҊ חоܳ Ҋೞभפө? ݺਵ۽दೞҊפ -ইझզ ਬझ যڃ ъো ীࢲ- ౿ীࢲߓହসೞ־ݶҳաೞӝएоपࣻ౿ӣߧࢳ
- 6. • աח ח Ҕ ইצ, ਸ Ҕਵ۽ ੋ. • ա ࢿݺ ࠁ যڃ ࢎۈ ؼܳ ݢ ࢤпೞۄ • Ә ޖਸ ೞҊ חоܳ Ҋೞभפ ө? ইݶפ, Ә ޖ غযоҊ חоܳ Ҋೞभפө? • “৵”۽ दೞۄ ݺਵ۽दೞҊפ -ইझզ ਬझ যڃ ъো ীࢲ- 4UBSUXJUIXIZ4JNPO4JOFL5%UBML
- 7. • աח ח Ҕ ইצ, ਸ Ҕਵ۽ ੋ. • ա ࢿݺ ࠁ যڃ ࢎۈ ؼܳ ݢ ࢤпೞۄ • Ә ޖਸ ೞҊ חоܳ Ҋೞभפ ө? ইݶפ, Ә ޖ غযоҊ חоܳ Ҋೞभפө? • “৵”ীࢲ दೞ ۄ • ੋࢤ ࣘ۱ ইצ ߑೱ. ݺਵ۽दೞҊפ -ইझզ ਬझ যڃ ъো ীࢲ- 4UBSUXJUIXIZ4JNPO4JOFL5%UBML
- 8. • աח ח Ҕ ইצ, ਸ Ҕਵ۽ ੋ. • /ࠁࢿݺ ղо যڃ ࢎۈ ؼ ܳ ݢ ࢤпೞ ۄ • Ә ޖਸ ೞҊ חоܳ Ҋೞभפ ө? ইݶפ, Ә ޖ غযоҊ חоܳ Ҋೞभפө? • “৵”ীࢲ दೞ ۄ • ੋࢤ ࣘ۱ ইצ ߑೱ. ݺਵ۽दೞҊפ ޖоܳܖҊೡٸ ߑೱҗݾਃೞ
- 10. /FUGMJY)JTUPSZ • %7%ಞߓ࠺ࢲ׳झ • झܻ߁ࢲ࠺झद • _Ә %7%ಞߓ࠺ࢲ׳झ 1997 2017 1997 2000 2003 2006 2009 2012 2015 Netflix is founded Aug 29 '97 Jul 1999 Introduces personalized movie recommendations Jun 2000 Netflix delivers its billionth DVD Feb 2007 Starts expansion in Europe, launching in the UK and Ireland Jan 2012 Starts streaming House of Cards Feb 2013 Announces Profiles feature Aug 2013 Participates in the Internet Slowdown Day protest Sep 2014 Partners with Univision to broadcast the first season of “Narcos” May 2016 20-year anniversary Aug 29, 2017 Launches its monthly subscription concept Sep 1999 Introduces streaming Jan 2007 Starts expanding internationally Sep 2010 Massive Xmas Eve outage Dec 2012 Launches Orange Is the New Black Jul 2013 Announces a growth of 574% over the past five years Jul 2014 Launches streaming service in Japan Sep 2015 Announces that it will launch originals targeting kids Jan 2016 Rolls out offline playback feature Nov 2016 Company Product IUUQTXXXPGGJDFUJNFMJOFDPNCMPHOFUGMJYIJTUPSZUJNFMJOF
- 15. Spotify 추천 시스템 목표는? - Netflix : Member satisfaction and retention - Spotify : Match fans and artist, Enjoy listening https://www.slideshare.net/mounialalmas/personalizing-the-listening-experience 15
- 16. Youtube 추천 시스템 목표는? - Netflix : Member satisfaction and retention - Spotify : Match fans and artist, Enjoy listening - Youtube : Keep Users Entertained and Engaged https://www.inf.unibz.it/~ricci/ISR/papers/p293-davidson.pdf 16
- 17. 다른 서비스의 추천 시스템 목표는? help members find content to watch and enjoy match fan and artist help users find high quality video 17
- 18. 다른 서비스의 추천 시스템 목표는? help members find content to watch and enjoy match fan and artist help users find high quality video member satisfaction retention enjoy listening keep Users Entertained and Engaged 18
- 19. 다른 서비스의 추천 시스템 목표는? help members find content to watch and enjoy match fan and artist help users find high quality video member satisfaction retention enjoy listening keep Users Entertained and Engaged 19 member satisfaction retention
- 23. ѐੋച҃ച 3FDFOU5SFOETJO1FSTPOBMJ[BUJPOBU/FUGMJYQ ച߹ஏ ѐੋചۘఊ୶ୌ ѐੋചಕࢤࢿ ࣁ࣌рѐੋച҃ 서비스 Goal에 더 가까워지기 위한 개선
- 24. ѐੋച୶ୌಣо߸ച • MJTUMFWFMªQBHFMFWFMªTFTTJPOMFWFM۽ಣо߸ച 8JUIJOBSBOLJOH 8JUIJOBQBHF 8JUIJOBTFTTJPO DSPTTTFTTJPOT
- 25. ࢶഐঘ࣌ചٜ ѐੋച୶ୌಣо߸ച • tঘ࣌ҕನ٘݃ۄuܳࢶഐೞחҊёীѱ 8JUIJOBSBOLJOH 8JUIJOBQBHF 8JUIJOBTFTTJPO DSPTTTFTTJPOT ࢶഐঘ࣌ചٜ ࢶഐҕನചٜ ୭Ӕے٬ച ࢜۽ীೖࣗ٘ച োࣘਵ۽दೡച Ѩ࢝ೠച৬ ਬࢎೠച ߑӘदೠച৬ ਬࢎೠച 개인화 추천을 평가하는 기준
- 26. ѐੋച୶ୌಣо߸ച • tঘ࣌ҕನ٘݃ۄuܳࢶഐೞחҊёীѱ 8JUIJOBSBLJOH 8JUIJOBQBHF 8JUIJOBTFTTJPO DSPTTTFTTJPOT ಣоӝળҗ҃ߧਤ৬࠺त೧ ࢲ࠺झ(PBMҗоөਕ ࢶഐঘ࣌ചٜ ࢶഐܰ৬ܰചٜ ࢶഐਗঘ࣌ചٜ ࢶഐঘ࣌ചٜ ࢶഐҕನചٜ ୭Ӕے٬ച ୭Ӕے٬ച োࣘਵ۽दೡച ࢶഐೞחചٜ ߑӘदೠച৬ ਬࢎೠച ࢶഐঘ࣌ചٜ ࢶഐܰ৬ܰചٜ ࢶഐਗঘ࣌ചٜ ࢶഐঘ࣌ചٜ ࢶഐܰ৬ܰചٜ ࢶഐਗঘ࣌ചٜ 사용자 서비스를 경험하는 범위
- 27. 3BUJOHQSFEJDUJPO • ߓ࣠ӝрӟ%7%۪ఎࢲ࠺झ • ࣗ࠺غঋ܄חపੌஶబஎࣗ࠺ • YQMJDJU%BUBTUBSSBUJOH • ஏ߹֫ച୶ୌ • _/FUGMJYQSJ[F • $JOFNBUDI3.4 • ݾ$JOFNBUDI࠺ѐࢶ • ֙3.4 ѐࢶࢿ׳ • थঌҊ્ܻࢲ࠺झਊ
- 28. • ߓ࣠ӝрӟ%7%۪ఎࢲ࠺झ • ࣗ࠺غঋ܄חపੌஶబஎࣗ࠺ • YQMJDJU%BUBTUBSSBUJOH • ஏ߹֫ച୶ୌ • _/FUGMJYQSJ[F • $JOFNBUDI3.4 • ݾ$JOFNBUDI࠺ѐࢶ • ֙3.4 ѐࢶࢿ׳ • थঌҊ્ܻࢲ࠺झਊ 3BUJOHQSFEJDUJPO 왜 적용하지 않았을까? 1. 별점 예측 정확도 10% 개선이 서비스 Goal의 10% 개선으로 이루어 지지 않는다. 2. 별점 예측 정확도 10%개선을 통해 기대되는 서비 스 Goal의 개선 정도보다 Engineering effort 가 높기 때문에 적용하지 않음 고퀄보다는 쓸모있게 라는 생각이…
- 29. 1FSTPOBMJ[FE3BOLJOH • झܻ߁ࢲ࠺झ۽ജ • .PSF%BUB • 3BUJOHT FYQMJDJUGFFECBDL • 1MBZT EVSBUJPO UJNF CPPLNBSL EFWJDFj • .FUBEBUB UBHT TZOPQTJT DBTU • *NQSFTTJPOT *OUFSBDUJPOT TFBSDI TDSPMMj • .PSF*OUFSBDUJPO ઁ য٣ࢲٚ • 1FSTPOBMJ[FESBOLJOHਸৌױਤઁҕ • 5PQQJDLT 1FSTPOBMJ[FEHFOSF $POUJOVF XBUDIJOH 4JNJMBSTj First: Continue Watching (if any) Next: Top picks Next: Popular on Netflix Next 3: Because you watched Next 4: Genres …. Next: Recently added
- 40. /FUGMJYTDBMF
- 42. • оѐੋച୶ୌী೧द • ষդ/FUGMJY4DBMF • ؘఠࣻण୶ୌઁҕөӟ.-ੋۄઓࢿ (SBDFGVMEFHSBEBUJPOইೠӝמೞ 장애가 발생할 확률이 매우 높은 시스템
- 43. • ց.PEFMաJOQVUEBUBੜݶغޅ • .PEFMਸࢎਊೞҊ • ୶ୌѾҗܳࢎਊೞҊ • 4JNQMF.PEFMחژIFVSJTUJDਸࢎਊೞҊ • ೱ߉࠳ࢲחदझమ݅ઙܐೠ (SBDFGVMEFHSBEBUJPO3FTJMJFOU SFTQPOTJWF GBMMCBDL GBMMCBDL PGGBMMCBDL … GBMMCBDL PGGBMMCBDL PGGBMMCBDL ইೠӝמೞ +#BTJMJDP VH .BLJOH/FUGMJY.BDIJOF-FBSOJOHMHPSJUINT3FMJBCMF*$.1XPSLTIPQMJOL
- 44. 1SFWFOUJPO'BJMVSFJOKFDUJPO +#BTJMJDP VH .BLJOH/FUGMJY.BDIJOF-FBSOJOHMHPSJUINT3FMJBCMF*$.1XPSLTIPQMJOL /FUGMJY 4JNJBOBSNZ(JU)VC MJOL • ؒےೞѱੋझఠझܳઙܐೞҊ $IBPT.POLFZ • 84ܻܳઁೞҊ $IBPT,POH • ؛ݽणؘఠী࠺ؘ࢚ఠܳੑ • OPJTZ DPSSVQU EFMBZFE JODPNQMFUF NJTTJOH VOLOPXO • ۠పझܳా೧ъѤೠदझమҳ୷
- 48. • #PPTUJOHחغगܳѐੋച୶ୌী߈ • ߊ۪ఋੋؘীח3PNBOUJD.PWJF݆ܳࠁחѪҗэਘ ֙ױਤӝਵࢤߊ۽ೞח #PPTUJOH5SFOE • ӝ࢚߸ਵ۽ೲܻாੋ࢚ܩೞݶೲܻாੋҙ۲ݭ௸ఠܻա.PWJFо݆दೞѪҗэ ੌഥࢿ ױӝࢿ#PPTUJOH5SFOE 5SFOEJOH3BOLFS UIF5SFOEJOH/PXSPX $BSMPT %FD 5IF/FUGMJY3FDPNNFOEFS4ZTUFNMHPSJUINT #VTJOFTT7BMVF BOE*OOPWBUJPO QBQFS
- 49. $POUJOVF8BUDIJOH3BOLFS • ೠߣࠁݶөࠁѱ݅٘חѐੋച୶ୌ • ࣘदоࢎױחژࢿמਬஏೞৈ୶ୌ • নೠஶఫझܳҊ۰ೣ • UJNFFMBQTFETJODFWJFXJOH QPJOUPGBCBOEPONFOU EFWJDFXBUDIFEPO $POUJOVF8BUDIJOHTFTTJPOXJUIB$POUJOVF8BUDIJOHSPX $BSMPT %FD 5IF/FUGMJY3FDPNNFOEFS4ZTUFNMHPSJUINT #VTJOFTT7BMVF BOE*OOPWBUJPO QBQFS
- 53. ѐੋച୶ୌয٣ܳೱ೧оҊաਃ
- 55. ࢲ࠺झ (PBM ѐੋച ୶ୌחۄ જ بҳܳ ੜ ഝਊೞৈ ৈ۞࠙ ࢲ࠺झ Goalী ׳بೞӝ ߄פۉ.
- 56. хࢎפ