OpenSearchで作る社員間レコメンドシステム

by amotz

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৽نࣄۀ౷ׅ෦1SP fl MZνʔϜ࣋ా३࢙ 0QFO4FBSDIͰ࡞ΔࣾһؒϨίϝϯυγεςϜ

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ຊηογϣϯͷର৅ऀ w"NB[PO0QFO4FBSDI4FSWJDF΍0QFO4FBSDIʹڵຯͷ͋ Δํ w0QFO4FBSDIͷ.PSF-JLF5IJT2VFSZΛ࢖ͬͨྨࣅυΩϡ ϝϯτݕࡧΛ΍ͬͯΈ͍ͨํ w؆қతͳϨίϝϯυػೳͷ։ൃʹڵຯͷ͋Δํ

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ຊηογϣϯͷΰʔϧ OpenSearchΛར༻ͨ͠؆қతͳ ϨίϝϯυγεςϜ։ൃख๏ͷཧղ

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ࣗݾ঺հ ࣋ా३࢙!BNPU[ w৽نࣄۀ౷ׅ෦1SP fl MZνʔϜ   ιϑτ΢ΣΞΤϯδχΞ wௗऔͰϑϧϦϞʔτϫʔΫ w4BB4ϓϩμΫτͷاըɾ։ൃɾ ӡ༻

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ΞδΣϯμ ϓϩϑΟʔϧϏϡʔΞʔαʔϏεʮ1SP fl MZʯʹ͓͚ ΔϨίϝϯυػೳͷݕ౼ "NB[PO1FSTPOBMJ[FΛར༻ͨ͠Ϩίϝϯυݕূ 0QFO4FBSDIΛར༻ͨ͠Ϩίϝϯυݕূ ·ͱΊ

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ΞδΣϯμ ϓϩϑΟʔϧϏϡʔΞʔαʔϏεʮ1SP fl MZʯʹ͓͚ ΔϨίϝϯυػೳͷݕ౼ "NB[PO1FSTPOBMJ[FΛར༻ͨ͠Ϩίϝϯυݕূ 0QFO4FBSDIΛར༻ͨ͠Ϩίϝϯυݕূ ·ͱΊ

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ϓϩϑΟʔϧϏϡʔΞʔαʔϏεʮ1SP fl MZʯ

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ϓϩϑΟʔϧϏϡʔΞʔαʔϏεʮ1SP fl MZʯ

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ࣾһϨίϝϯυػೳͷඞཁੑ ࣾ಺ίϛϡχέʔγϣϯʹؔ͢Δ՝୊ʢԾઆʣ wࣾ಺ʹͲΜͳࣾһ͕͍Δͷ͔෼͔Βͳ͍ wͨ͘͞Μ͍Δࣾһ͔Βɺࣗ෼ͱڵຯؔ৺͕͍ۙࣾһΛ୳ͨ͠ ͍ɾ·ͨ͸୳ͨ͢Ίͷ͖͔͚͕ͬཉ͍͠ wͰ͖Ε͹ΞϓϦଆ͔Βͦ͏͍ͬͨࣾһΛ͓קΊͯ͠ཉ͍͠

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ࣾһϨίϝϯυػೳͷඞཁੑ Ϩίϝϯυػೳ͕ղܾ͢Δ՝୊΍ظ଴͢ΔޮՌʢԾઆʣ wΞϓϦଆ͕Ϩίϝϯυͯ͘͠ΕΔ͜ͱͰɺ   ಉ྅Λ஌Δ͖͔͚ͬΛಘ΍͘͢͢Δ wࣗ෼ͱڵຯؔ৺͕͍ۙಉ྅Λ஌Δ͜ͱ͕   Ͱ͖Δ wࣾ಺ʹ͓͚Δ৽ͨͳίϛϡχςΟͷൃੜ΍   ৽͍͠ܨ͕Γͷ૑ग़Λαϙʔτ͢Δ

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ࣾһϨίϝϯυػೳͷ࣮૷Πϝʔδ

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ࣾһϨίϝϯυػೳͷ࣮૷Πϝʔδ

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ࣾһϨίϝϯυػೳͷ࣮૷Πϝʔδ

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ΞδΣϯμ ϓϩϑΟʔϧϏϡʔΞʔαʔϏεʮ1SP fl MZʯʹ͓͚ ΔϨίϝϯυػೳͷݕ౼ "NB[PO1FSTPOBMJ[FΛར༻ͨ͠Ϩίϝϯυݕূ 0QFO4FBSDIΛར༻ͨ͠Ϩίϝϯυݕূ ·ͱΊ

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"NB[PO1FSTPOBMJ[Fͱ͸ w"84͕ఏڙ͢ΔϑϧϚωʔδυܕͷػցֶ शαʔϏε w"NB[PODPNͰഓΘΕͨύʔιφϥΠθʔ γϣϯγεςϜͷ࢓૊Έ͕൓ө͞Ε͍ͯΔ wػցֶशͷܦݧෆཁͰϨίϝϯσʔγϣϯ αʔϏεΛߏஙͰ͖Δ

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"NB[PO1FSTPOBMJ[FΛར༻ͨ͠Ϩίϝϯσʔγϣϯ "NB[PO1FSTPOBMJ[FͰఏڙ͞ΕΔϏϧτΠϯΞϧΰ ϦζϜʢϨγϐʣ w64&3@1&340/"-*;"5*0/Ϩγϐ w1&340/"-*;&%@3"/,*/(Ϩγϐ w3&-"5&%@*5&.4Ϩγϐ w64&3@4&(.&/5"5*0/Ϩγϐ

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"NB[PO1FSTPOBMJ[FΛར༻ͨ͠Ϩίϝϯσʔγϣϯ "NB[PO1FSTPOBMJ[FͰఏڙ͞ΕΔϏϧτΠϯΞϧΰ ϦζϜʢϨγϐʣ w64&3@1&340/"-*;"5*0/Ϩγϐ w1&340/"-*;&%@3"/,*/(Ϩγϐ w3&-"5&%@*5&.4ϨγϐΞΠςϜؒͷྨࣅ౓ʢ4*.4ʣ w64&3@4&(.&/5"5*0/Ϩγϐ ࠓճͷཁ݅ʢࣅͨࣾһಉ࢜ͷϨίϝϯυʣ ʹϚονͦ͠͏💪

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"NB[PO1FSTPOBMJ[Fͷݕূ ग़యIUUQTEPDTBXTBNB[PODPNKB@KQQFSTPOBMJ[FMBUFTUEHIPXJUXPSLTIUNM

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"NB[PO1FSTPOBMJ[Fͷݕূ ػցֶशϞσϧͷτϨʔχϯάΛ։࢝͢ΔͨΊͷ࠷௿৚ ݅ w࠷௿ ݅ͷΠϯλϥΫγϣϯσʔλ աڈσʔλϦ ΞϧλΠϜΠϕϯτσʔλ߹Θͤͯ ͕ଘࡏ͢Δ͜ͱ wਓҎ্ͷϢχʔΫϢʔβʔ͓Αͼ֤Ϣʔβʔ݅Ҏ্ͷ ΠϯλϥΫγϣϯσʔλ͕ଘࡏ͢Δ͜ͱ IUUQTBXTBNB[PODPNKQCVJMEFSTGMBTI BXTHFFLQFSTPOBMJ[F BXTGGJMUFSOBNFBMM

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"NB[PO1FSTPOBMJ[Fͷݕূ ػցֶशϞσϧͷτϨʔχϯάΛ։࢝͢ΔͨΊͷ࠷௿৚ ݅ w࠷௿ ݅ͷΠϯλϥΫγϣϯσʔλ աڈσʔλϦ ΞϧλΠϜΠϕϯτσʔλ߹Θͤͯ ͕ଘࡏ͢Δ͜ͱ ࠓճͷର৅ͱͳΔσʔλͩͱΞΠςϜ΋গͳ͘ɺ ඞཁͳΠϯλϥΫγϣϯσʔλΛ४උ͢Δͷ͕ͪΐͬͱ ݫ͠Ίɾɾ

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"NB[PO1FSTPOBMJ[F࢖͑ͳ͔ͬͨɾɾ ΞΧϯ🥺

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ΞδΣϯμ ϓϩϑΟʔϧϏϡʔΞʔαʔϏεʮ1SP fl MZʯʹ͓͚ ΔϨίϝϯυػೳͷݕ౼ "NB[PO1FSTPOBMJ[FΛར༻ͨ͠Ϩίϝϯυݕূ 0QFO4FBSDIΛར༻ͨ͠Ϩίϝϯυݕূ ·ͱΊ

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1SP fl MZͷΞʔΩςΫνϟʢҰ෦ʣ

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1SP fl MZͷΞʔΩςΫνϟʢҰ෦ʣ ΞϓϦ಺ͷݕࡧػೳʹ 0QFO4FBSDI4FSWJDFΛར༻

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0QFO4FBSDIͰϨίϝϯσʔγϣϯνϟϨϯδ OpenSearchΛ࢖͍ͬͯΔͳΒ More Like This QueryͰࣅͨࣾһಉ࢜Λ ݕࡧͰ͖ΔͷͰ͸ʁ🤔

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0QFO4FBSDIͰϨίϝϯσʔγϣϯνϟϨϯδ .PSF-JLF5IJT2VFSZʢ.-5ʣͱ͸ wʢ0QFO4FBSDI্ͷʣ͋ΔυΩϡϝϯτʹྨࣅͨ͠υΩϡϝ ϯτΛݕࡧͰ͖Δ wΠϯσοΫε͞ΕͨυΩϡϝϯτ΍೚ҙͷςΩετυΩϡ ϝϯτΛݩʹྨࣅυΩϡϝϯτΛݕࡧͰ͖Δ w࣮૷ίετ͕௿͘खܰʹར༻Ͱ͖Δ IUUQTXXXFMBTUJDDPHVJEFFOFMBTUJDTFBSDI SFGFSFODFDVSSFOURVFSZETMNMURVFSZIUNM

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0QFO4FBSDIͰϨίϝϯσʔγϣϯνϟϨϯδ .PSF-JLF5IJT2VFSZʢ.-5ʣͷ࢓૊Έ w5'*%'ʢUFSNGSFRVFODZrJOWFSTFEPDVNFOU GSFRVFODZʣΛ׆༻ͨ͠ݕࡧ wυΩϡϝϯτ্ͷ୯ޠͷॏཁੑΛධՁ͠ɺͦΕΛυΩϡϝϯτͷಛ௃ྔͱ͠ ͯྨࣅ౓Λ൑ఆ͢Δ

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0QFO4FBSDIͰϨίϝϯσʔγϣϯνϟϨϯδ .PSF-JLF5IJT2VFSZʢ.-5ʣͷ࢓૊Έ w5'*%'ʢUFSNGSFRVFODZrJOWFSTFEPDVNFOU GSFRVFODZʣΛ׆༻ͨ͠ݕࡧ

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0QFO4FBSDIͰϨίϝϯσʔγϣϯνϟϨϯδ 1SP fl MZʹ͓͚ΔࣾһϓϩϑΟʔϧͷυΩϡϝϯτ wࣗݾ঺հ wεΩϧ wλά wࢿ֨ wڵຯɾؔ৺FUDʜ

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0QFO4FBSDIͰϨίϝϯσʔγϣϯνϟϨϯδ 1SP fl MZʹ͓͚ΔࣾһϓϩϑΟʔϧͷυΩϡϝϯτ wࣗݾ঺հ wεΩϧ wλά wࢿ֨ wڵຯɾؔ৺FUDʜ ֤߲໨ʹରͯ͠.-5Ͱྨࣅ͢ΔυΩϡϝ ϯτʢࣾһϓϩϑΟʔϧʣΛݕࡧ͠ɺ ࠷΋ߴ͍είΞͷࣾһΛϨίϝϯυ͢Δ

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Ϩίϝϯυ༻ͷ.-5ΫΤϦॻ͍ͯΈΔ

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Ϩίϝϯυ༻ͷ.-5ΫΤϦॻ͍ͯΈΔ .-5ΫΤϦΛར༻ͯ͠ྨࣅυ ΩϡϝϯτʢࣾһϓϩϑΟʔϧʣ Λݕࡧ

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Ϩίϝϯυ༻ͷ.-5ΫΤϦॻ͍ͯΈΔ MJLFʹϨίϝϯυ͞ΕΔࣾһ ϓϩϑΟʔϧͷυΩϡϝϯτΛࢦఆ

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Ϩίϝϯυ༻ͷ.-5ΫΤϦॻ͍ͯΈΔ ݕࡧ͢Δ߲໨͝ͱʹCPPTU஋Λࢦఆ͢Δ ͜ͱͰɺϨίϝϯυͷධՁͰॏࢹ͢Δ߲ ໨Λௐ੔Ͱ͖Δ

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Ϩίϝϯυ༻ͷ.-5ΫΤϦॻ͍ͯΈΔ NJO@TDPSFΛࢦఆ͢Δ͜ͱͰɺྨࣅ౓ ͕௿͍υΩϡϝϯτ͸আ֎͢Δ͜ͱ͕ Ͱ͖Δ

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Ϩίϝϯυ༻ͷ.-5ΫΤϦୟ͍ͯΈΔ

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Ϩίϝϯυ༻ͷ.-5ΫΤϦୟ͍ͯΈΔ Ұ൪είΞ͕ߴ͔ͬͨࣾһΛ Ϩίϝϯυ͢Δࣾһͱ͢Δ

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࣮ࡍͷϓϩϑΟʔϧ΋͍͔ͭ͘ڞ௨఺͕͋Γͦ͏

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࣮ࡍͷϓϩϑΟʔϧ΋͍͔ͭ͘ڞ௨఺͕͋Γͦ͏

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.-5ΫΤϦʹΑΔϨίϝϯσʔγϣϯ ྑͦ͞͏ 👍

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Ϩίϝϯυ"1*ͱ࣮ͯ͠૷ όοΫΤϯυ"1*ͱͯ͠ɺҎԼΛߟྀͯ͠ઌ΄ͲͷΫΤ ϦΛ૊ΈࠐΉ wϨίϝϯυࡁΈͷࣾһ͸Ұఆظؒ   Ϩίϝϯυର৅֎ʹ͢Δ wಉ͡෦ॺͷࣾһ͸Ϩίϝϯυର৅֎ͱ   ͢Δ wFUDʜ

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ϑϩϯτΤϯυ΁ࣾһϨίϝϯυػೳͷ௥Ճ

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0QFO4FBSDIͰϨίϝϯσʔγϣϯνϟϨϯδ MLTΫΤϦʹΑΓɺͻͱ·ͣ؆қతͳ ࣾһϨίϝϯυγεςϜ͕࣮ݱͰ͖·ͨ͠😁

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ΞδΣϯμ ϓϩϑΟʔϧϏϡʔΞʔαʔϏεʮ1SP fl MZʯʹ͓͚ ΔϨίϝϯυػೳͷݕ౼ "NB[PO1FSTPOBMJ[FΛར༻ͨ͠Ϩίϝϯυݕূ 0QFO4FBSDIΛར༻ͨ͠Ϩίϝϯυݕূ ·ͱΊ

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ຊηογϣϯͷ·ͱΊ wϓϩϑΟʔϧϏϡʔΞʔαʔϏεʮ1SP fl MZʯʹ͓͚ΔϨίϝ ϯυػೳͷݕ౼ w0QFO4FBSDIΛ༻͍ͨ؆қతͳϨίϝϯυػೳͷ࣮ݱ w.PSF-JLF5IJT2VFSZʹΑΔྨࣅυΩϡϝϯτݕࡧ͸Ϩί ϝϯσʔγϣϯʹ΋Ԡ༻͢Δ͜ͱ͕Ͱ͖Δ

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ࠓޙͷ՝୊💪 w.PSF-JLF5IJT2VFSZʹΑΔϨίϝϯσʔγϣϯͷਫ਼౓෼ ੳɾධՁ wίαΠϯྨࣅ౓ L// Λ༻͍ͨϨίϝϯσʔγϣϯͱͷൺֱ wIUUQTEPDTBXTBNB[PODPNKB@KQPQFOTFBSDITFSWJDFMBUFTU EFWFMPQFSHVJEFLOOIUNM wϨίϝϯυػೳͦͷ΋ͷͷ༗༻ੑධՁ

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