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フリルのキーワード検索の精度改善
sinamon129
March 22, 2016
Programming
9
4.4k
フリルのキーワード検索の精度改善
ファッションフリマアプリFRIL(フリル)の商品検索の精度改善の話ですヾ(。>﹏
sinamon129
March 22, 2016
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Transcript
Ωʔϫʔυݕࡧͷਫ਼վળ ϑΝογϣϯಛԽݕࡧ ޙฤʣ גࣜձࣾ'BCMJD ยࢁɹைඒ
ࣗݾհ w ยࢁɹைඒ!TJOBNPO w αʔόαΠυΤϯδχΞ w 3VCZPO3BJMTɾ&MBTUJDTFBSDIFUD w &MBTUJDTFBSDIɾݕࡧ݄͘Β͍͔Β࢝Ί·ͨ͠ w
VTFSpSTUνʔϜ w ࣾձਓ
ࠓͷ݄͘Β͍ʹ Ωʔϫʔυݕࡧͷਫ਼վળΛ͠·ͨ͠
ྫ͑ʜʮαϘʯΛݕࡧ
վળલʢαϘ͕શવͰͳ͍ʣ 4"#0/ϏϡϧσαϘϯʹຒΕΔ
վળޙʢαϘ͕ग़͍ͯΔʣ ˞0/&1&"$&ͷαϘαϘ͞Μग़Δ
ࠓͷ w ͳͥਫ਼վળΛͬͨͷ͔ w ݕࡧͷγεςϜߏ w վળͰͬͨ͜ͱ w ओʹࣙॻՃͷ w
վળͷޮՌ w ࠓޙͷల
ͳ͔ͥͬͨ
ԿނΩʔϫʔυݕࡧͷਫ਼վળΛ͔ͬͨ w ݕࡧͨ͠ͱ͖ͷίϨδϟφΠײͷղফ w αϘͰݕࡧͨ͠ͷʹɹɹɹɹ͕ग़ͳ͍ͱΑ͘ͳ͍ w Ωʔϫʔυʹؔͷ͋Δ͕ग़͍ͯΔํ͕ ϖʔδΛݟͯΒ͍͑ͯΔ w ͲͷΩʔϫʔυ͕Α͘ݕࡧ͞Ε͍ͯΔ͔ௐࠪ
w ͲͷΩʔϫʔυ͕ϖʔδΛݟΒΕΔ͕ߴ͍͔ௐࠪ
ݕࡧͷγεςϜߏ w &MBTUJDTFBSDIܥ w ʢNBTUFSEBUBʣ w γϟʔυϨϓϦΧߏ w 3VCZPO3BJMT w
HFNɿTFBSDILJDL
վળલ w VOJ(SBN w /(SBNNJO@HSBN NBY@HSBN w ϫϯϐʔεϫϯϐʔε w ࠶ݱߴ͍
w ʮαϘʯؚ͕·Ε͍ͯΕIJU͢ΔʢαϘϯɾϏϡϧσαϘϯʣ w ݕࡧର͕গͳ͍߹࠶ݱ͕ߴ͍ํ͕ʹ͕ͭ͘ଟ͍ ͷͰɺVOJ(SBNͷํ͕ྑ͍͔
ํ w ࠶ݱͷߴ͍ঢ়ଶͰɺͰ͖Δ͚ͩؔͳ͍ Λग़͞ͳ͍Α͏ʹ͍ͨ͠ w ຊޠܗଶૉղੳUPLFOJ[FSʢLVSPNPKJ@UPLFOJ[FSʣ ΛͬͨBOBMZ[FSͷมߋ w ܗଶૉղੳ͢Δͱɺద߹্͕Δ͕࠶ݱ͕Լ͕Δ w
LVSPNPKJϢʔβʔࣙॻɾྨٛޠࣙॻͷߏங
LVSPNPKJUPLFO[JFSΛͬͨBOBMZ[FSͷ༻ w LVSPNPKJUPLFO[JFSΛͬͨ BOBMZ[FSΛఆٛ w จࣈྻਖ਼نԽͷͨΊʹ JDV@OPSNBMJ[FSΛՃ w ݕࡧ͞ΕΔϫʔυجຊ ໊ࢺͳͷͰɺQPT@pMUFS
Ͱɺه߸ॿࢺͳͲআ JOEFYBOBMZ[FS KB@BOBMZ[FS\ UZQFDVTUPN UPLFOJ[FSEFGBVMU@KB@UPLFOJ[FS DIBS@pMUFS<JDV@OPSNBMJ[FS> pMUFS< DKL@XJEUI QPT@pMUFS LVSPNPKJ@CBTFGPSN > ^ TFBSDIBOBMZ[FS KB@TZOPOZN@BOBMZ[FS\ UZQFDVTUPN UPLFOJ[FSEFGBVMU@KB@UPLFOJ[FS DIBS@pMUFS<JDV@OPSNBMJ[FS> pMUFS< DKL@XJEUI QPT@pMUFS LVSPNPKJ@CBTFGPSN TZOPOZN > ^
ࣙॻΛͭ͘Δ
ࣙॻΛՃ͢ΔͱͲ͏ͳΔ͔ VOJHSBN ੴݨηοτˑϩΫγλϯόε ΩϡʔϒϩΫγλϯͷੴݨͱɺ ͷΦϥϯμόεΩϡʔϒ ͷηοτͰ͢ɻ ࣙॻͳ͠ ੴݨηοτϩΫγλϯόεΩϡʔϒϩΫγλϯ ੴݨΦϥϯμόεΩϡʔϒηοτ
ϩΫγλϯΛ ࣙॻʹొ ੴݨηοτϩΫγλϯόεΩϡʔϒϩΫγλϯੴ ݨΦϥϯμόεΩϡʔϒηοτ ੴݨηοτˑϩΫγλϯόεΩϡʔϒ ϩΫγλϯͷੴݨͱɺͷΦϥϯμόεΩϡʔϒͷηοτͰ͢ɻ
ྨٛޠࣙॻΛՃ͢ΔͱͲ͏ͳΔ͔ VOJHSBN TOJEFMϑϦϧϓϦʔπ ϫϯϐʔεΧϥʔϒϥϯαΠζ ఆՁԁ৽ະ༻Χ λϩάɺࡶࢽܝࡌὑ ྨٛޠͳ͠ TOJEFMϑϦϧϓϦʔπϫϯϐʔεΧϥʔϒ ϥϯαΠζఆՁԁ৽༻Χλϩ
άࡶࢽܝࡌ ϫϯϐʔεͱϫϯϐ Λྨٛޠʹొ TOJEFMϑϦϧϓϦʔπϫϯϐʔεϫϯϐΧ ϥʔϒϥϯαΠζఆՁԁ৽༻ Χλϩάࡶࢽܝࡌ TOJEFMϑϦϧϓϦʔπϫϯϐʔεΧϥʔϒϥϯαΠζ ఆՁԁ৽ະ༻Χλϩάɺࡶࢽܝࡌὑ
ࣙॻΛͭ͘Δʢ̍ʣ w Ϣʔβʔ͞Μ͕ݕࡧ͢Δͷʹ߹Θͤͯɹɹ ࣙॻɾྨٛޠࣙॻΛՃ͢Δඞཁ͕͋Δ w खಈͰҰݸͣͭՃ͢Δͷޮѱ͍ w Ωʔϫʔυݕࡧϩά͔ΒͷՃΛݕ౼
ࣙॻΛͭ͘Δʢ̎ʣ w ݕࡧϫʔυϩάΛશ෦Ճ͢Δͱ w ϊΠζ͕ଟ͍ʢؒҧ͍ɾදه༳Εɾ୯ޠͷ۠Εʣ w ϑϦΨφ͕ͳ͍ w NFDBCJQBEJDOFPMPHEͰܗଶૉղੳ͠ɺɹ ϑϦΨφ͕ଘࡏ͢Δ໊ࢺͷσʔλ͚ͩΛɹɹ
ॳظηοτͱͯࣙ͠ॻʹొ
ࣙॻΛͭ͘Δʢ̏ʣ w ࣮ࡍͷσʔλͰ֬ೝͰ͖ΔڥΛ࡞Γɺ มߋલޙͰ্ҐͷΩʔϫʔυͷIJUΛൺֱɾ ݕࡧ݁Ռͷ֬ೝΛߦͬͯՃɾमਖ਼
͜͏͍͏͜ͱΛߟྀ͢Δඞཁ͕͋ͬͨ w ϫϯϐͰݕࡧͯ͠ɺʮϫϯϐʯͬͯॻ͍ͯ͋Δͷ ͚ͩͰͳ͘ɺʮϫϯϐʔεʯͱॻ͍ͯ͋Δͷ ग़ͳ͍ͱ͍͚ͳ͍ʢྨٛޠʣ w τϨϯνίʔτʮίʔτʯͰݕࡧͨ͠ͱ͖ʹɹɹ ग़ͯཉ͍͠͠ɺʮτϨϯνʯͰݕࡧͨ͠ͱ͖ʹग़ ͯཉ͍͠ͷͰɺʮτϨϯνʯͱʮίʔτʯͰొɹ ʢࣙॻʣ
ຊ൪ө·Ͱʹͬͨ͜ͱ w ࣙॻՃπʔϧ Λ࡞͠ޮԽ w ܾ·ΓΛจॻԽ w ࣾϢʔβʔʹ ͬͯΒ͏
վળͯ͠ग़ͨޮՌ w ϖʔδͷભҠͷ͔ͬͨΩʔϫʔυͷભҠͷվળ w &MBTUJDTFBSDIͷJOEFYྔ͕ݮΓɺύϑΥʔϚϯε͕Α͘ͳͬͨ ͷͰαʔόΛݮΒͨ͠
ݕࡧΩʔϫʔυิ w ϒϥϯυͱΑ͘ݕࡧ͞Ε͍ͯΔ ΩʔϫʔυΛલํҰகͰग़͢ w ࣙॻσʔλ͔ΒΧφৼΓ w গͳ͍ݕࡧճͰతͷͷʹ ḷΓ͚ͭΔମݧΛ࡞ͬͨ
ࡉ͔͍ͱ͜ΖϒϩάΛͲ͏ͧ
ࠓޙͷల w ࣙॻσʔλͷཧͱ׆༻ w ࣙॻఆظతͳߋ৽͕ඞཁ w ݕࡧ݁ՌͷείΞϦϯά w &MBTUJDTFBSDIܥʹ͍͋͛ͨʂʂ