RecSys2020読み会

3FD4ZT࿦จಡΈձ ট଴ߨԋɾ'"DD53FDϫʔΫγϣοϓ ਆቇහ߂ 1

2 3FBTPOT8IZ4PDJBM.FEJB.BLF 6T7VMOFSBCMFUP.BOJQVMBUJPO 'JMJQQP.FOD[FS

ΤίʔνΣϯόʔ 3 ੓࣏άϧʔϓ͕ҧ͏ͱϑϨϯυొ࿥͕ղআ͞Ε΍͘͢ͳΔγϛϡϨʔγϣϯ

1MBUGPSNCJBT 4 ৘ใΛஸೡʹબ୒ ෺ྔͰ֦ࢄ ௿඼࣭ͷهࣄ͸ڞ༗͞Ε΍͍͢ ௿඼࣭هࣄͷϑΝΫτνΣοΫ͸ڞ༗͞ Εͳ͍

5 #JBTPOUIF8FC $"$. WPM OP IUUQJCJTGPSFTUPSHJOEFYQIQ 1BQFSCJBTPOUIFXFC

7 &RVBMJUZˠػձͷฏ౳ɾखଓ͖ͷެฏੑ &RVJUZˠ݁Ռͷฏ౳ɾ഑෼ͷެਖ਼ +VTUJDFˠ݁ہ͜Ε΋݁Ռͷฏ౳Ͱ͸ʁ ༗໊ʹͳͬͯΔ͚Ͳਖ਼ٛ࿦ͷٞ࿦Λ;·͍͑ͯͳ͍Α͏ʹࢥ͏

8 8FCͷݴޠ෼෍͸࣮ࡍ ͷݴޠ෼෍ͱҟͳΔ 8JLJQFEJBͰঁੑͷهࣄ ͸গͳ͍

9 ਓؾόΠΞε Τϯήʔδ͞ΕΔΞΠςϜ͸ Ұ෦ͷਓؾΞΠςϜʹภͬͯ ͍Δ ਺ͷଟ͍ਓؾΞΠςϜʹ νϡʔχϯά͞Εͯ͠·͏

10 8JTEPNPGGFX ΞΫςΟϒϢʔβ͕൒෼ͷί ϯςϯπΛ࡞͍ͬͯΔ 4BNQMJOHCJBT ΂͖৐ଇͳͲɼۃ୺ͳ෼෍ͷ αϯϓϦϯά͸ؾΛ෇͚͍ͯ ͯ΋೉͍͠

11 ΞΠτϥοΩϯά ࠷ۙ͸શવपΓΛݟ͍ͯͳ͍ ٯ܏޲είΞΛ࢖ͬͨิਖ਼ ྲྀߦ͍ͯ͠Δ

13 1FSTPOBMJUZCBTFEਪનɿ৺ཧείΞʹجͮ͘ਪન 1FSTPOBMJUZCBTFE3FDPNNFOEFS4ZTUFNT"O0WFSWJFX 5VUPSJBM!3FD4ZT #JH'JWFɿ֎޲ੑɼௐ࿨ੑɼ੣࣮ੑɼਆܦ঱܏޲ɼ։์ੑ

14 ࣭໰ථͰ৺ཧείΞΛௐ΂Δ ॻ͍ͨςΩετͱ͔͔Β͋ͯ͸Ί ৺ཧείΞͱফඅ܏޲ΛϚονϯάͤ͞Δ

15 ର࿩ܕਪનɿΞΠςϜͷಛ௃ΛߜΓࠐΜͰΏ͘DSJUJRVFͱ͍͏ͷΛ࢖͏ ੲ͔Β͋Δͷ͕ͩɼνϟοτϘοτͷόοΫΤϯυͱͯ͠৳ͼ͖͍ͯͯΔΑ͏ͩ

17 '"DD53FD 3FTQPOTJCMF3FDPNNFOEBUJPO

18 >\QJXSdN\] <SLRJNV3˰4U]^\JXM 1YS]NB^J^NDXS`N\]S^c 9NJX6J\LSJ̐6J^R\SQR^ BZY^SOc =J]SWBYXKYVS DXS`N\]S^cYO2YVY\JMY1Y_VMN\ CY]RSRS\Y:JWS]RSWJ =J^SYXJV8X]^S^_^NYO0M`JXLNM8XM_]^\SJVBLSNXLN
JXMCNLRXYVYQc˟08BCˠ ?SN\\N̐=SLYVJ]BLRaJK 3NZJ\^WNX^YOAN]NJ\LRYX 2YWW_XSLJ^SYX˳DXS`N\]S^cYO1\_]]NV]

19 CRNFY\U]RYZ5Y\WN\Vc:XYaX0]50CA42 Ɣ 50CA42˚ANLBc] ˟2YWYˠ Ɣ 50CA42 ˚ANLBc] ˟EJXLY_`N\ˠ Ɣ
HNJ\YňK_^\NVJ^NM˲502CB̐8A˚B868A ˟?J\S]ˠ Ɣ 50LLCANL ˚ANLBc] ˟ASYΟˠ Ɣ 50LLCANL SX0W]^N\MJW˺ =YaZJ\^YO^RN02<50LLC=N^aY\U R^^Z]˲̾̾OJLL^LYXON\NXLN˰Y\Q̾XN^aY\U̾

20 AN`SNa B_KWS]]SYX]˲ Ɣ AN]NJ\LR ˳?Y]S^SYX 0LLNZ^JXLN˲ ˟˰ ˛ˠ Ɣ
AN]NJ\LR˲;YXQ ˳BRY\^ Ɣ ?Y]S^SYX˲;YXQ˳BRY\^ 4JLRJ\^SLVNS]\N`SNaNMKc^R\NN\N`SNaN\] 0VV^RNJ\^SLVNLJXKNJLLN]]SKVNO\YW^RNaY\U]RYZFNK]S^N

#FZPOE'JMUFS#VCCMFT /FXT3FDPNNFOEBUJPOPO(PPHMF4FBSDI 21 &OJ.VTUBGBSBK $PNQVUFS4DJFODF 8FMMFTMFZ$PMMFHF (PPHMFUPQTUPSJFTͱχϡʔεΩϡϨʔ γϣϯͰɼχϡʔεͷ࣭Λอͭ͜ͱͱɼଟ ༷ͳࢹ఺Λఏڙ͢Δ͜ͱΛܝ͍͛ͯΔɽ ྑ࣭ͷχϡʔεͱɼϋΠύʔύϧνβϯͷࢹ
఺ͷରཱΛղফ͢Δඞཁ աڈ೥ؒͷ੓࣏ΠϕϯτͰͷɼ(PPHMFͷ ΩϡϨʔγϣϯͷ༷ࢠΛ؂ࠪͨ͠

22 ϑΟϧλʔόϒϧ໰୊ ݸਓԽٕज़ͷීٴʹΑΓɼωοτར༻ऀ͕ଟ༷ͳ৘ใݯ΍ࢹ఺ʹ઀͢ Δػձ͕ݮΒ͞Ε͍ͯΔͱͷ&MJ1BSJTFSʹΑΔओு Ϧϕϥϧ೿ͷ༑ਓΛ૿΍͍ͯ͠ΔͱɼࢲʹஅΓͳ͘ 'BDF#PPLͷ༑ਓਪનϦετ͔Βอक೿͕ফ͞Εͯ͠·ͬͨ 1BOFM!3FD4ZT IUUQBDNSFDTZTXPSEQSFTTDPNQBOFMPOUIFpMUFSCVCCMF

RecSys2020読み会

RecSys2020読み会

Toshihiro Kamishima

More Decks by Toshihiro Kamishima

Other Decks in Technology

Featured

Transcript

3FD4ZT࿦จಡΈձ ট଴ߨԋɾ'"DD53FDϫʔΫγϣοϓ ਆቇහ߂ 1

2 3FBTPOT8IZ4PDJBM.FEJB.BLF 6T7VMOFSBCMFUP.BOJQVMBUJPO 'JMJQQP.FOD[FS

ΤίʔνΣϯόʔ 3 ੓࣏άϧʔϓ͕ҧ͏ͱϑϨϯυొ࿥͕ղআ͞Ε΍͘͢ͳΔγϛϡϨʔγϣϯ

1MBUGPSNCJBT 4 ৘ใΛஸೡʹબ୒ ෺ྔͰ֦ࢄ ௿඼࣭ͷهࣄ͸ڞ༗͞Ε΍͍͢ ௿඼࣭هࣄͷϑΝΫτνΣοΫ͸ڞ༗͞ Εͳ͍

5 #JBTPOUIF8FC $"$. WPM OP IUUQJCJTGPSFTUPSHJOEFYQIQ 1BQFSCJBTPOUIFXFC

6

7 &RVBMJUZˠػձͷฏ౳ɾखଓ͖ͷެฏੑ &RVJUZˠ݁Ռͷฏ౳ɾ഑෼ͷެਖ਼ +VTUJDFˠ݁ہ͜Ε΋݁Ռͷฏ౳Ͱ͸ʁ ༗໊ʹͳͬͯΔ͚Ͳਖ਼ٛ࿦ͷٞ࿦Λ;·͍͑ͯͳ͍Α͏ʹࢥ͏

8 8FCͷݴޠ෼෍͸࣮ࡍ ͷݴޠ෼෍ͱҟͳΔ 8JLJQFEJBͰঁੑͷهࣄ ͸গͳ͍

9 ਓؾόΠΞε Τϯήʔδ͞ΕΔΞΠςϜ͸ Ұ෦ͷਓؾΞΠςϜʹภͬͯ ͍Δ ਺ͷଟ͍ਓؾΞΠςϜʹ νϡʔχϯά͞Εͯ͠·͏

10 8JTEPNPGGFX ΞΫςΟϒϢʔβ͕൒෼ͷί ϯςϯπΛ࡞͍ͬͯΔ 4BNQMJOHCJBT ΂͖৐ଇͳͲɼۃ୺ͳ෼෍ͷ αϯϓϦϯά͸ؾΛ෇͚͍ͯ ͯ΋೉͍͠

11 ΞΠτϥοΩϯά ࠷ۙ͸શવपΓΛݟ͍ͯͳ͍ ٯ܏޲είΞΛ࢖ͬͨิਖ਼ ྲྀߦ͍ͯ͠Δ

12

13 1FSTPOBMJUZCBTFEਪનɿ৺ཧείΞʹجͮ͘ਪન 1FSTPOBMJUZCBTFE3FDPNNFOEFS4ZTUFNT"O0WFSWJFX 5VUPSJBM!3FD4ZT #JH'JWFɿ֎޲ੑɼௐ࿨ੑɼ੣࣮ੑɼਆܦ঱܏޲ɼ։์ੑ

14 ࣭໰ථͰ৺ཧείΞΛௐ΂Δ ॻ͍ͨςΩετͱ͔͔Β͋ͯ͸Ί ৺ཧείΞͱফඅ܏޲ΛϚονϯάͤ͞Δ

15 ର࿩ܕਪનɿΞΠςϜͷಛ௃ΛߜΓࠐΜͰΏ͘DSJUJRVFͱ͍͏ͷΛ࢖͏ ੲ͔Β͋Δͷ͕ͩɼνϟοτϘοτͷόοΫΤϯυͱͯ͠৳ͼ͖͍ͯͯΔΑ͏ͩ

16

17 '"DD53FD 3FTQPOTJCMF3FDPNNFOEBUJPO

18 >\QJXSdN\] <SLRJNV3˰4U]^\JXM 1YS]NB^J^NDXS`N\]S^c 9NJX6J\LSJ̐6J^R\SQR^ BZY^SOc =J]SWBYXKYVS DXS`N\]S^cYO2YVY\JMY1Y_VMN\ CY]RSRS\Y:JWS]RSWJ =J^SYXJV8X]^S^_^NYO0M`JXLNM8XM_]^\SJVBLSNXLN

19 CRNFY\U]RYZ5Y\WN\Vc:XYaX0]50CA42 Ɣ 50CA42˚ANLBc] ˟2YWYˠ Ɣ 50CA42 ˚ANLBc] ˟EJXLY_`N\ˠ Ɣ

20 AN`SNa B_KWS]]SYX]˲ Ɣ AN]NJ\LR ˳?Y]S^SYX 0LLNZ^JXLN˲ ˟˰ ˛ˠ Ɣ

#FZPOE'JMUFS#VCCMFT /FXT3FDPNNFOEBUJPOPO(PPHMF4FBSDI 21 &OJ.VTUBGBSBK $PNQVUFS4DJFODF 8FMMFTMFZ$PMMFHF (PPHMFUPQTUPSJFTͱχϡʔεΩϡϨʔ γϣϯͰɼχϡʔεͷ࣭Λอͭ͜ͱͱɼଟ ༷ͳࢹ఺Λఏڙ͢Δ͜ͱΛܝ͍͛ͯΔɽ ྑ࣭ͷχϡʔεͱɼϋΠύʔύϧνβϯͷࢹ