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Neural Semantic Encoders 29015 -3 Tsendsuren Munkhdalai and Hong Yu Proceedings of the 15th Conference of the European Chapter of the Association for Computational Linguistics: Volume 1, pages 397–407, 2017

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"CTUSBDU • .FNPSZ/FUXPSLΛ֦ுͨ͠/FVSBM4FNBOUJD&ODPEFST /4&  ΛఏҊ Ø ͋͘·Ͱ୯ޠදݱ &ODPEFS ͳͷͰ༷ʑͳλεΫʹԠ༻Մೳ Ø NFNPSZVQEBUFػೳͷ௥Ճ Ø .VMUJQMFNFNPSZBDDFTT4IBSFENFNPSZBDDFTT • ͭͷ/-1λεΫʹ͓͍ͯ༗ޮੑΛࣔͨ͠ 

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.FNPSZ/FUXPLT • .FNPSZ/FUXPSLT +BTPO8FTUPOFUBM  ͸ʮڊେͳϝϞϦʯͱ ʮϝϞϦ΁ͷಡΈࠐΈॻ͖ࠐΈͳͲ͕Ͱ͖Δػೳʯ͔Βߏ੒͞ΕΔϝ ϞϦ෇͖χϡʔϥϧωοτϫʔΫͷ͜ͱ  ( ( ) ) (     

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&OEUP&OE.FNPSZ/FUXPSLT 4BJOCBZBS4VLICBBUBSFUBM  

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/FVSBM4FNBOUJD&ODPEFST          !"#$: &' ℎ)$$*+ ,-.-*: ℎ'

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/FVSBM4FNBOUJD&ODPEFST          !"#$: &' ℎ)$$*+ ,-.-*: ℎ' ϝϞϦʹ͸͋Β͔͡Ίશ୯ޠΛ֨ೲͯ͠ ͓͘

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/FVSBM4FNBOUJD&ODPEFST          !"#$: &' ℎ)$$*+ ,-.-*: ℎ' ୯ޠ &' Λೖྗͯ͠ɼ ͭͷϕΫτϧ ℎ' Λग़ྗ͢Δ ˠ ޙஈͷϞσϧʹ౉͢

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/FVSBM4FNBOUJD&ODPEFST          !"#$: &' ℎ)$$*+ ,-.-*: ℎ' ϝϞϦͷத͔Βண໨͢Δ औΓग़͢ εϩο τΛࢦࣔ͢͠ϕΫτϧΛ࡞Δ ˠ /'

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/FVSBM4FNBOUJD&ODPEFST          !"#$: &' ℎ)$$*+ ,-.-*: ℎ' औΓग़ͨ͠ϝϞϦεϩοτͱೖྗ୯ޠΛ ૊Έ߹ΘͤͨϕΫτϧΛ࡞Δ ˠ /'

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/FVSBM4FNBOUJD&ODPEFST          !"#$: &' ℎ)$$*+ ,-.-*: ℎ' /'͔Βग़ྗϕΫτϧΛ࡞Δ ˠ ℎ' ಡΈࠐΜͩεϩοτͷҐஔʹ৽͍͠ঢ়ଶ Λ্ॻ͖͢Δ NFNPSZVPEBUF

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/FVSBM4FNBOUJD&ODPEFST 0 0 M = #$ , #& , … , #(        0 )* 0 )* +* 1 0 0 -0 - ,* , )* #-,* .* ℎ* 0*1$ 0* 0 0

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/FVSBM4FNBOUJD&ODPEFST 0 0 !" = $% , $' , … , $)        0 *" 0 *" +, 1 0 0 -0 - -, , *, $.,, /, ℎ, !,1% !, 0 0

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.VMUJQMFNFNPSZBDDFTT         !"#$: &' .FNPSZ. ℎ)$$*+ ,-.-*: ℎ' .FNPSZ. ü ෳ਺ͷϝϞϦΛࢀরͰ͖Δ

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4IBSFENFNPSZBDDFTT         !"#$: &',) ℎ+$$,- ./0/,: ℎ',) .FNPSZ.O ü ڞ௨ͷϝϞϦΛࢀরͰ͖Δ        !"#$: &1,) ℎ+$$,- ./0/,: ℎ1,)

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&YQFSJNFOUT  ͭͷ/-1λεΫͰ࣮ݧΛߦͳͬͨ • 4FOUFODFDMBTTJGJDBUJPO • "OTXFSTFOUFODFTFMFDUJPO • /BUVSBMMBOHIVBHFJOGFSFODF • %PDVNFOUNPEFMMJOH • /FVSBMNBDIJOFUSBOTMBUJPO

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4FOUFODFDMBTTJGJDBUJPO  %BUBTFU4UBOGPSE4FOUJNFOU5SFFCBOL ஋෼ྨ ϥϕϧ෼ྨ /4& .-1 4FOUFODF 4FOUJNFOUMBCFM 

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"OTXFSTFOUFODFTFMFDUJPO  ࣭໰จʹରͯ͠ީิจͷத͔Βਖ਼͍͠ճ౴จΛબ୒͢ΔλεΫ %BUBTFU8JLJ2" /4&B /4&R   .-1 "OTXFS 2VFTUJPO :FT/P TIBSFE

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/BUVSBMMBOHVBHFJOGFSFODF  લఏͱԾઆͷϖΞ͔ΒɼͦΕ͕߹ཧ͔ໃ६͔தཱ͔Λ ൑ఆ͢ΔλεΫ %BUBTFU4UBOGPSE/BUVSBM-BOHVBHF*OGFSFODF 4/-* EBUBTFU /4&Q /4&I   .-1 1SFNJTF )ZQPUIFTJT &OUBJMNFOU$POUSBEJDUJPO/FVUSBM TIBSFE BUUFOUJPO

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%PDVNFOUNPEFMMJOH  จॻϨϕϧͷײ৘෼ྨλεΫ %BUBTFU  *.%# Ϋϥε  :FMQ Ϋϥε ஈ໨ͷ/4&ͰจϕΫτϧΛɼஈ໨ ͷ/4&-45.ͰจॻϕΫτϧΛ࡞Γɼ ࠷ޙʹTPGUNBYͰ෼ྨ͢Δ /4& /4&I   /4&   /4& /4&I   -45. 

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/FVSBMNBDIJOFUSBOTMBUJPO  %BUBTFU*84-5&OHMJTI(FSNBO &ODPEFS%FDPEFSϞσϧʹ/4&ΛదԠ /4&FOD -45.EFD  .-1 &OHMJTI (FSNBO 5SBOTMBUJPO BUUFOUJPO /4&FOD /4&EFD  .-1 &OHMJTI (FSNBO 5SBOTMBUJPO BUUFOUJPO TIBSFE -45.FOD -45.EFD .-1 &OHMJTI (FSNBO 5SBOTMBUJPO BUUFOUJPO

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$PODMVTJPO  • SFBE DPNQPTF XSJUFͷػೳΛ࣋ͭ/FVSBM4FNBOUJD&ODPEFST /4& ΛఏҊ • .VMUJQMF4IBSFENFNPSZBDDFTTػೳʹΑΓɼಛఆͷλεΫʹԠͯ͡ ΞʔΩςΫνϟΛॊೈʹมߋͰ͖Δ • ͭͷ/-1λεΫʹ͓͍ͯɼ/4&Λ༻͍Δ͜ͱͰߴ͍ੑೳΛࣔͨ͠

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/BUVSBMMBOHVBHFJOGFSFODF 

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8PSEBTTPDJBUJPOHSBQI  5IFHSBQIDPNQPOFOUTDMVTUFSFEBSPVOEUIFTFNBOUJDBMMZSJDIXPSET B TJUT XBMM BVUVNO C 5ISFF QVQQJFT UVC WFU ϑϨʔζ΍म০ؔ܎Λଊ͍͑ͯͦ͏

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