개인화 추천은 어디로 가고 있는가?

1. QJ ѐੋച୶ୌয٣ܳೱ೧оҊ੓‫ח‬о

2. QJ ୭ӏ޹ • ೞ‫ੌח‬਷ • ୶ୌ‫੉ؘ‬ఠ࠙ࢳ • ࢚ਤ୶ୌҗઁ੹ۚࣻ݀਋ࢶࣽਤࢸ੿ • ஂ޷‫੉ؘ۽‬ఠ࠙ࢳਸૌѹ೮‫ ؘח‬ ‫ੋݫ‬+PC੉‫פغ‬jஂ޷ܳ੏঻ण‫׮פ‬ https://brunch.co.kr/@goodvc78

3. • ա‫ח‬ ಍੉ ੓‫ח‬ Ҕ੉ ই‫צ‬,   ੓ਸ Ҕਵ‫۽‬ ਑૒ੋ‫׮‬. ‫ݺ‬঱ਵ‫۽‬द੘ೞҊ੗೤‫׮פ‬ झ౭࠳੟झJ1IPOFߊ಴ীࢲ

4. • ա‫ח‬ ಍੉ ੓‫ח‬ Ҕ੉ ই‫צ‬,   ੓ਸ Ҕਵ‫۽‬ ਑૒ੋ‫׮‬. • ૒੢੉ա ‫ࢿݺ‬ ࠁ‫׮‬   য‫ڃ‬ ࢎ‫੉ۈ‬ ‫ؼ‬૑ܳ ‫੷ݢ‬ ࢤпೞ‫ۄ‬ ‫ݺ‬঱ਵ‫۽‬द੘ೞҊ੗೤‫׮פ‬ ইझզਬझ௏஖੄য‫ڃ‬ъো઺ীࢲ

5. • ա‫ח‬ ಍੉ ੓‫ח‬ Ҕ੉ ই‫צ‬,   ੓ਸ Ҕਵ‫۽‬ ਑૒ੋ‫׮‬. • ૒੢੉ա ‫ࢿݺ‬ ࠁ‫׮‬   য‫ڃ‬ ࢎ‫੉ۈ‬ ‫ؼ‬૑ܳ ‫੷ݢ‬ ࢤпೞ‫ۄ‬ • ૑Ә ‫঺ޖ‬ਸ ೞҊ ੓‫ח‬оܳ Ҋ޹ೞभ‫פ‬ ө? ই‫ݶפ‬, ૑Ә ‫੉঺ޖ‬ ‫غ‬যоҊ ੓ ‫ח‬оܳ Ҋ޹ೞभ‫פ‬ө? ‫ݺ‬঱ਵ‫۽‬द੘ೞҊ੗೤‫׮פ‬ -ইझզ ਬझ ௏஖੄ য‫ڃ‬ ъো ઺ীࢲ- ௢౿ীࢲߓ਍‫׮‬ହসೞ‫־ݶ‬ҳաೞӝए਍о૑पࣻ௢౿ӣߧࢳ‫؀‬಴

6. • ա‫ח‬ ಍੉ ੓‫ח‬ Ҕ੉ ই‫צ‬,   ੓ਸ Ҕਵ‫۽‬ ਑૒ੋ‫׮‬. • ૒੢੉ա ‫ࢿݺ‬ ࠁ‫׮‬   য‫ڃ‬ ࢎ‫੉ۈ‬ ‫ؼ‬૑ܳ ‫੷ݢ‬ ࢤпೞ‫ۄ‬ • ૑Ә ‫঺ޖ‬ਸ ೞҊ ੓‫ח‬оܳ Ҋ޹ೞभ‫פ‬ ө? ই‫ݶפ‬, ૑Ә ‫੉঺ޖ‬ ‫غ‬যоҊ ੓ ‫ח‬оܳ Ҋ޹ೞभ‫פ‬ө? • “৵”‫۽‬ द੘ೞ‫ۄ‬ ‫ݺ‬঱ਵ‫۽‬द੘ೞҊ੗೤‫׮פ‬ -ইझզ ਬझ ௏஖੄ য‫ڃ‬ ъো ઺ীࢲ- 4UBSUXJUIXIZ4JNPO4JOFL5%UBML

7. • ա‫ח‬ ಍੉ ੓‫ח‬ Ҕ੉ ই‫צ‬,   ੓ਸ Ҕਵ‫۽‬ ਑૒ੋ‫׮‬. • ૒੢੉ա ‫ࢿݺ‬ ࠁ‫׮‬   য‫ڃ‬ ࢎ‫੉ۈ‬ ‫ؼ‬૑ܳ ‫੷ݢ‬ ࢤпೞ‫ۄ‬ • ૑Ә ‫঺ޖ‬ਸ ೞҊ ੓‫ח‬оܳ Ҋ޹ೞभ‫פ‬ ө? ই‫ݶפ‬, ૑Ә ‫੉঺ޖ‬ ‫غ‬যоҊ ੓ ‫ח‬оܳ Ҋ޹ೞभ‫פ‬ө? • “৵”ীࢲ द੘ೞ‫ ۄ‬ • ੋࢤ਷ ࣘ۱੉ ই‫צ‬ ߑೱ੉‫׮‬. ‫ݺ‬঱ਵ‫۽‬द੘ೞҊ੗೤‫׮פ‬ -ইझզ ਬझ ௏஖੄ য‫ڃ‬ ъো ઺ীࢲ- 4UBSUXJUIXIZ4JNPO4JOFL5%UBML

8. • ա‫ח‬ ಍੉ ੓‫ח‬ Ҕ੉ ই‫צ‬,   ੓ਸ Ҕਵ‫۽‬ ਑૒ੋ‫׮‬. • ૒੢/‫׮ࠁࢿݺ‬ ղо য‫ڃ‬ ࢎ‫੉ۈ‬ ‫ؼ‬૑ ܳ ‫੷ݢ‬ ࢤпೞ‫ ۄ‬ • ૑Ә ‫঺ޖ‬ਸ ೞҊ ੓‫ח‬оܳ Ҋ޹ೞभ‫פ‬ ө? ই‫ݶפ‬, ૑Ә ‫੉঺ޖ‬ ‫غ‬যоҊ ੓ ‫ח‬оܳ Ҋ޹ೞभ‫פ‬ө? • “৵”ীࢲ द੘ೞ‫ ۄ‬ • ੋࢤ਷ ࣘ۱੉ ই‫צ‬ ߑೱ੉‫׮‬. ‫ݺ‬঱ਵ‫۽‬द੘ೞҊ੗೤‫׮פ‬ ‫ޖ‬঱оܳ੉‫ܖ‬Ҋ੗ೡ‫ٸ‬ ߑೱҗ‫઺੉੸ݾ‬ਃೞ‫׮‬

9. Ӓ‫ࢲې‬য়‫ט‬ೡ੉ঠӝ /FUGMJY୶ୌदझమ੄җѢ৬അ੤ܳా೧ ѐੋച୶ୌ੄ߑೱҗ‫੸ݾ‬ী‫؀‬ೞৈ

10. /FUGMJY)JTUPSZ • %7%਋ಞߓ‫࠺ࢲ׳‬झ • झ౟ܻ߁ࢲ࠺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

11. /FUGMJYূ૑‫פ‬যߊ಴੗‫۽ܐ‬ѐੋച୶ୌ੄җѢ৬അ੤ܳࠁ੗ +VTUJO#BTJMJDP!/FUGMJY3FTFBSDIOHJOFFSEJSFDUPS _֙ө૑ҕѐೠߊ಴੗‫ܐ‬ TMJEFTIBSFIUUQTXXXTMJEFTIBSFOFUKVTUJOCBTJMJDPQSFTFOUBUJPOT

12. ֏೒ܼझߊ಴੗‫߸חܐ‬ೞ૑ঋ‫(ח‬PBM‫۽‬द੘ೠ‫׮‬

13. ֏೒ܼझߊ಴੗‫߸חܐ‬ೞ૑ঋ‫(ח‬PBM‫۽‬द੘ೠ‫׮‬

14. ֏೒ܼझߊ಴੗‫߸חܐ‬ೞ૑ঋ‫(ח‬PBM‫۽‬द੘ೠ‫׮‬ ࢎਊ੗ҙ੼੄‫੸ݾ‬ ҕә੗ҙ੼੄‫੸ݾ‬

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

20. (PBMਸೱ೧֏೒ܼझ‫ח‬ ѐੋച҃೷਷য‫ڌ‬ѱ૓ചೞҊ੓‫ח‬о

21. ѐੋച҃೷੄૓ച 3FDFOU5SFOETJO1FSTPOBMJ[BUJPOBU/FUGMJYQ

22. ѐੋച҃೷੄૓ച 3FDFOU5SFOETJO1FSTPOBMJ[BUJPOBU/FUGMJYQ ৔ച߹੼৘ஏ ѐੋചۘఊ୶ୌ ѐੋചಕ੉૑ࢤࢿ ࣁ࣌р੄ѐੋച҃೷

23. ѐੋച҃೷੄૓ച 3FDFOU5SFOETJO1FSTPOBMJ[BUJPOBU/FUGMJYQ ৔ച߹੼৘ஏ ѐੋചۘఊ୶ୌ ѐੋചಕ੉૑ࢤࢿ ࣁ࣌р੄ѐੋച҃೷ 서비스 Goal에 더 가까워지기 위한 개선

24. ѐੋച୶ୌ੄ಣо૑಴߸ച • MJTUMFWFMªQBHFMFWFMªTFTTJPOMFWFM‫۽‬ಣо૑಴੄߸ച 8JUIJOBSBOLJOH 8JUIJOBQBHF 8JUIJOBTFTTJPO DSPTTTFTTJPOT

25. ࢶഐঘ࣌৔ചٜ ѐੋച୶ୌ੄ಣо૑಴߸ച • tঘ࣌ҕನ٘‫݃ۄ‬uܳࢶഐೞ‫ח‬Ҋёীѱ 8JUIJOBSBOLJOH 8JUIJOBQBHF 8JUIJOBTFTTJPO DSPTTTFTTJPOT ࢶഐঘ࣌৔ചٜ ࢶഐҕನ৔ചٜ ୭Ӕ౟‫ے‬٬৔ച ࢜‫۽‬਍ীೖࣗ٘৔ച োࣘ੸ਵ‫۽‬द୒ೡ৔ച Ѩ࢝ೠ৔ച৬ ਬࢎೠ৔ച ߑӘद୒ೠ৔ച৬ ਬࢎೠ৔ച 개인화 추천을 평가하는 기준

26. ѐੋച୶ୌ੄ಣо૑಴߸ച • tঘ࣌ҕನ٘‫݃ۄ‬uܳࢶഐೞ‫ח‬Ҋёীѱ 8JUIJOBSBLJOH 8JUIJOBQBHF 8JUIJOBTFTTJPO DSPTTTFTTJPOT ಣоӝળҗ҃೷੄ߧਤ৬࠺त೧૗ ૊ࢲ࠺झ(PBMҗоөਕ૗ ࢶഐঘ࣌৔ചٜ ࢶഐܰ৬ܰ৔ചٜ ࢶഐ೟ਗঘ࣌৔ചٜ ࢶഐঘ࣌৔ചٜ ࢶഐҕನ৔ചٜ ୭Ӕ౟‫ے‬٬৔ച ୭Ӕ౟‫ے‬٬৔ച োࣘ੸ਵ‫۽‬द୒ೡ৔ച ࢶഐೞ‫ח‬৔ചٜ ߑӘद୒ೠ৔ച৬ ਬࢎೠ৔ച ࢶഐঘ࣌৔ചٜ ࢶഐܰ৬ܰ৔ചٜ ࢶഐ೟ਗঘ࣌৔ചٜ ࢶഐঘ࣌৔ചٜ ࢶഐܰ৬ܰ৔ചٜ ࢶഐ೟ਗঘ࣌৔ചٜ 사용자 서비스를 경험하는 범위

27. 3BUJOHQSFEJDUJPO • ߓ࣠ӝр੉ӟ%7%۪ఎࢲ࠺झ • ࣗ࠺‫غ‬૑ঋ‫܄ח‬పੌஶబஎ੄ࣗ࠺ • YQMJDJU%BUBTUBSSBUJOH • ৘ஏ߹੼֫਷৔ച୶ୌ • _/FUGMJYQSJ[F • $JOFNBUDI3.4 • ‫ݾ‬಴$JOFNBUDI‫࠺؀‬ѐࢶ • ֙3.4 ѐࢶ‫ࢿ׳‬ • ਋थঌҊ્ܻ਷ࢲ࠺झ޷੸ਊ

28. • ߓ࣠ӝр੉ӟ%7%۪ఎࢲ࠺झ • ࣗ࠺‫غ‬૑ঋ‫܄ח‬పੌஶబஎ੄ࣗ࠺ • YQMJDJU%BUBTUBSSBUJOH • ৘ஏ߹੼֫਷৔ച୶ୌ • _/FUGMJYQSJ[F • $JOFNBUDI3.4 • ‫ݾ‬಴$JOFNBUDI‫࠺؀‬ѐࢶ • ֙3.4 ѐࢶ‫ࢿ׳‬ • ਋थঌҊ્ܻ਷ࢲ࠺झ޷੸ਊ 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 • झ౟ܻ߁ࢲ࠺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

30. 1FSTPOBMJ[FE1BHFT +#BTJMJDP 0DU 1FSTPOBMJ[FE1BHF(FOFSBUJPOGPS#SPXTJOH3FDPNNFOEBUJPOT3FD4ZTUBML MJOL MJOL

31. 1FSTPOBMJ[FE1BHFT +#BTJMJDP 0DU 1FSTPOBMJ[FE1BHF(FOFSBUJPOGPS#SPXTJOH3FDPNNFOEBUJPOT3FD4ZTUBML MJOL MJOL • ೞա੄ৌীࢲ‫ח‬ҙबࢎ੄Ө੉ܳৌҗৌ਷ҙबࢎ੄ևѱఐ࢝ೞ‫׮ח‬নࢿਸઁҕ ҙबࢎܳӨѱఐ࢝ ҙबࢎܳևѱఐ࢝

32. 1FSTPOBMJ[FEYQFSJFODF WFSZUIJOHJTBSFDPNNFOEBUJPO

33. 1FSTPOBMJ[FEYQFSJFODF ‫ݽ‬ٚ*OUFSBDUJPOী ѐੋച҃೷ਸઁҕ

34. 1FSTPOBMJ[FEYQFSJFODF Ѩ࢝௪ܻ୶ୌѾҗ SUXPSL1FSTPOBMJ[BUJPO .FTTBHFQFSTPOBMJ[BUJPO

35. ѐੋച҃೷ਸઁҕೞӝө૑ ֏೒ܼझ‫ח‬য‫ڃ‬DIBMMFOHFо੓঻ਸөਃ

36. ୶ୌदझమ੄ҙ੼ਵ‫ࠁ۽‬ѷण‫׮פ‬ /FUGMJYTDBMF #VJMEJOH.- (SBDFGVMEFHSBEBUJPO

37. /FUGMJYTDBMF‫੉ؘ‬ఠо಩ߊ੸ਵ‫۽‬ૐоೞ‫׮‬ Oct, 2013 x2.2 x4.6 x3.0 May, 2016

38. /FUGMJYTDBMF‫੉ؘ‬ఠઙ‫݆بܨ‬ই૑‫׮‬

39. /FUGMJYTDBMF঱ઁয٣ٚ૑‫੉ؘ‬ఠ୊ܻ‫ח‬೙ਃೞ‫׮‬ • #FGMFYJCMFBCPVUXIFSFBOEXIFODPNQVUBUJPOIBQQFOT +#BTJMJDP .BZ 3FDPNNFOEBUJPOTGPS#VJMEJOH.BDIJOF-FBSOJOH4PGUXBSF%BUBCZUIF#BZUBMLMJOL

40. /FUGMJYTDBMF

41. #VJME.- • .BLFBMHPSJUINTFYUFOTJCMFBOENPEVMBS +#BTJMJDP .BZ 3FDPNNFOEBUJPOTGPS#VJMEJOH.BDIJOF-FBSOJOH4PGUXBSF%BUBCZUIF#BZUBMLMJOL *OOPWBUJPODZDMF

42. • ੹୓оѐੋച୶ୌী੄೧द୒ • ষ୒դ/FUGMJY4DBMF • ‫੉ؘ‬ఠࣻ૘೟ण୶ୌઁҕө૑ӟ.-౵੉೐‫੄ੋۄ‬ઓࢿ (SBDFGVMEFHSBEBUJPO਋ইೠӝ‫੷מ‬ೞ 장애가 발생할 확률이 매우 높은 시스템

43. • ց੄.PEFM੉աJOQVUEBUBੜ‫ݶ׮঻غޅ‬ • ੉੹੄.PEFMਸࢎਊೞҊ • ੉੹੄୶ୌѾҗܳࢎਊೞҊ • 4JNQMF.PEFM‫חژ‬IFVSJTUJDਸࢎਊೞҊ • ৔ೱ੉߉‫࠳ࢲח‬दझమ݅ઙ‫ܐ‬ೠ‫׮‬ (SBDFGVMEFHSBEBUJPO3FTJMJFOU SFTQPOTJWF GBMMCBDL GBMMCBDL PGGBMMCBDL … GBMMCBDL PGGBMMCBDL PGGBMMCBDL ਋ইೠӝ‫੷מ‬ೞ +#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 • 84ܻ੹੹୓ܳ࢏ઁೞҊ $IBPT,POH • ‫؛ݽ‬೟ण‫੉ؘ‬ఠী࠺੿࢚‫੉ؘ‬ఠܳࢗੑ • OPJTZ DPSSVQU EFMBZFE JODPNQMFUF NJTTJOH VOLOPXO • ੉۠పझ౟ܳా೧ъѤೠदझమҳ୷

45. ֏೒ܼझ୶ୌदझమ਷ য‫୶ڃ‬ୌঌҊ્ܻਸઁҕೡөਃ

46. • ࢶഐ੢ܰղীࢲѐੋച‫ۘػ‬ఊઁҕೞ‫ח‬ঌҊ્ܻ 173 1FSTPOBMJ[FE7JEFP3BOLFS 4VTQFOTFGVM.PWJFTJTBOFYBNQMFPGBHFOSFSPXESJWFOCZUIF173 $BSMPT %FD 5IF/FUGMJY3FDPNNFOEFS4ZTUFNMHPSJUINT #VTJOFTT7BMVF BOE*OOPWBUJPO QBQFS

47. • ੹୓7JEFPীࢲѐੋച୶ୌਸઁҕ • ੌ_֙ӝр੄ѐੋ੄द୒౟۪٘ ࢿೱ ੄߸ചܳ࠙ࢳೞৈਬ੷оҙबਸо૕ࣻ੓‫ח‬୭੸੄୶ ୌ.FUSJYҗঌҊ્ܻਵ‫۽‬7JEFPܳ୶ୌ 5PQ/7JEFP3BOLFS 5IF5PQ1JDLTSPXESJWFOCZUIF5PQ/BMHPSJUIN $BSMPT %FD 5IF/FUGMJY3FDPNNFOEFS4ZTUFNMHPSJUINT #VTJOFTT7BMVF BOE*OOPWBUJPO QBQFS

48. • #PPTUJOH‫੉חغ‬गܳѐੋച୶ୌী߈৔ • ߊ۪ఋੋ‫੉ؘ‬ী‫ח‬3PNBOUJD.PWJF݆ܳ੉ࠁ‫ח‬Ѫҗэ੉ਘ ֙‫ױ‬ਤ઱ӝ੸ਵ‫ࢤߊ۽‬ೞ‫ח‬ #PPTUJOH5SFOE • ӝ࢚੉߸ਵ‫۽‬ೲܻாੋ੉࢚‫ܩ‬ೞ‫ݶ‬ೲܻாੋҙ۲‫ݭ௸׮‬ఠܻա.PWJFо݆੉द୒ೞѪҗэ ੉ੌഥࢿ ‫ױ‬ӝࢿ#PPTUJOH5SFOE 5SFOEJOH3BOLFS UIF5SFOEJOH/PXSPX $BSMPT %FD 5IF/FUGMJY3FDPNNFOEFS4ZTUFNMHPSJUINT #VTJOFTT7BMVF BOE*OOPWBUJPO QBQFS

49. $POUJOVF8BUDIJOH3BOLFS • ೠߣࠁ‫ݶ‬՘ө૑ࠁѱ݅٘‫ח‬ѐੋച୶ୌ • ૑ࣘद୒о‫ࢎױ઺חژࢿמ‬ਬ৘ஏೞৈ୶ୌ • ‫׮‬নೠஶఫझ౟ܳҊ۰ೣ • UJNFFMBQTFETJODFWJFXJOH QPJOUPGBCBOEPONFOU EFWJDFXBUDIFEPO $POUJOVF8BUDIJOHTFTTJPOXJUIB$POUJOVF8BUDIJOHSPX $BSMPT %FD 5IF/FUGMJY3FDPNNFOEFS4ZTUFNMHPSJUINT #VTJOFTT7BMVF BOE*OOPWBUJPO QBQFS

50. 4FBSDIXJUISFDPNNFOEBUJPO • ૕੄੄‫੿୶ܳب‬ೞৈ୶ୌѾҗ৬ೣԋѨ࢝Ѿҗܳઁҕ • tVTVBMuѨ࢝दtVTVBMTVTQFDUu৬ਬࢎೠ৔ചܳѨ࢝Ѿҗ‫ઁॄ۽‬ҕ $BSMPT %FD 5IF/FUGMJY3FDPNNFOEFS4ZTUFNMHPSJUINT #VTJOFTT7BMVF BOE*OOPWBUJPO QBQFS

53. ѐੋച୶ୌ਷য٣ܳೱ೧оҊ੓աਃ

54. ѐੋച୶ୌ਷য٣ܳೱ೧оҊ੓աਃ ਋ܻࢲ࠺झ‫ח‬

55. ࢲ࠺झ (PBM ѐੋച ୶ୌ੉‫חۄ‬ જ਷ ‫ب‬ҳܳ ੜ ഝਊೞৈ ৈ۞࠙੄ ࢲ࠺झ Goalী ‫׳ب‬ೞӝ ߄‫׮פۉ‬.

56. хࢎ೤‫׮פ‬

57. ଵҊ੗‫ܐ‬ +#BTJMJDP 0DU 3FDPNNFOEBUJPOBUOFUGMJYTDBMF3FD4ZTXPSLTIPQ TMJEFTIBSF +#BTJMJDP 4FQ -FBSOJOHB1FSTPOBMJ[FE)PNFQBHF.-$POGUBMLTMJEFTIBSF +#BTJMJDP 0DU 1FSTPOBMJ[FE1BHF(FOFSBUJPOGPS#SPXTJOH3FDPNNFOEBUJPOT3FD4ZTUBML MJOL MJOL +#BTJMJDP .BZ 3FDPNNFOEBUJPOTGPS#VJMEJOH.BDIJOF-FBSOJOH4PGUXBSF%BUBCZUIF#BZUBMLMJOL +#BTJMJDP 4FQ 3FDPNNFOEJOHGPSUIFXPSME 3FD4ZTUBMLMJOL +#BTJMJDP 0DU 1BTU 1SFTFOU'VUVSFPG3FDPNNFOEFS4ZTUFNTO*OEVTUSZ1FSTQFDUJWF3FD4ZTUBMLMJOL +#BTJMJDP VH %éKà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

58. ଵҊ੗‫ܐ‬ Recommendation Algorithm 2020 Recommendation System /FUGMJYTDBMF #VJMEJOH.- (SBDFGVMEFHSBEBUJPO 1FSTPOBMJ[BUJPO YQFSJFODF 1FSTPOBMJ[FESBOLJOH HFOSF TJNJMBST 1BHFTMBUFHFOFSBUJPO 1FSTPOBMJ[FEFYQFSJFODF BSUXPSL UJNFBXBSF NFTTBHJOH 5SBEJUJPOBM.BDIJOF-FBSOJOH .' SFHSFTTJPO -% j (MPCBMSFHJPOBMNPEFMT $POUFYUVBMCBOEJU3- $BVTBMJUZ 'BJSOFTT %FFQMFBSOJOH TFRVFODF UJNF NFUBEBUB j ࣽࢲ‫ח‬1VCMJDBUJPO%BUFӝળ

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