Upgrade to Pro — share decks privately, control downloads, hide ads and more …

春の情報処理祭 自然言語処理

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers.

春の情報処理祭 自然言語処理

Avatar for Yuya Unno

Yuya Unno

March 16, 2015
Tweet

More Decks by Yuya Unno

Other Decks in Technology

Transcript

  1. ˆŢźĭ țŬŵ !  2011|‹º{±{±äŊþğĵŊŦ !  2011| z~GHf Koí‹ºÜŻģĶ¿ !  2014|

    íiuhF aHyhtV`tO[q !  ˆľÑĚƬàÍÚűµŽ±ř^NV`nHcyP÷ Ũßů/. !  Jubatus1§/. NLPċŠ1}øæ¦„2014-
  2. ˆľÑĚƬ-(+;ÜŻ?Ą­7,Łç Úű ƃŸ »® Įđśß ů ēòßů ŭĄßů ƽĄŅ ņ؉ů

    ĨÉßů ’É òï‰Ŏ ¼Ńßů Ñŋ ÑĚp_ v àÍƀ ^NV`n HcyP
  3. ÜŻ;Ą­;ķƬ0`wyaĜ@))A Úű ƃŸ »® Įđśß ů ēòßů ŭĄßů ƽĄŅ ņ؉ů

    ĨÉßů ’É òï‰Ŏ ¼Ńßů Ñŋ ÑĚp_ v àÍƀ ^NV`n HcyP >@ķ
  4. ĊԗµŽƃŸŮō1A ÄĢp_v[Brown +93] !  ŇŠB%_ Y x‘Ÿò2ë1_ Y yƃŸ”1ò0[SĖ(%-éA ! 

    x Đ?B%-¶;ƅ;? y D¸+A y=This is a pen x=B2ky,! argmaxy P(y|x)
  5. ƃŸp_v-ÑĚp_v0‰ß!A !  ƃŸp_v !  Ě=ĚŜ1‘BŘC@D³Ã!A !  ’Ÿ_ Yý» !  ÑĚp_v

    !  ò1ˆľD³Ã!A !  Œ‚ÑĚ1_ Yý» argmaxy P(y|x) = argmaxy P(x|y) P(y) ƃŸp_v ÑĚp_v {ħ1_ Y,Ś¥ >ł–,A
  6. Ĉ…1ţ02Xh`IJG1ŀÿ !  GIZA++=Moses-(%ĊԗµŽƃŸ1 ] vè 0´§BA !  ] v´§BA-KN ZW&7

    .  https://code.google.com/p/giza-pp/ http://www.statmt.org/moses/
  7. £µŽƃŸş  !  2010/08 NICTVoiceTraD ´§ !  2014/09 NTT íù}

    †8?ƃŸDÁž !  2015/01 GoogleuGvYHo ƃŸµîD´§ http://voicetra-plus.jp/
  8. àÍÚű41Ą­Ĵ /Ą­ !  ŒĚ‰öĮđśßů !  ‰'ïB+/z~Ě1òïDŒĚŒÙ ,Hy_\OV!A10ý» !  ƃı ! 

    ĻĚVkv0’Ą!AMYMb³ãDˆ²,ŪÞ !  Û1Úű/.0ðCBA !  ĒĚŪÞ !  ÚűŹBDÖ?!%:0ÚűOKuDĒĚ,ň ĝ!A
  9. £ˆľÑĚƬş  Vn `hLy“¯0/@HyY hJ V- +1ˆľÑĚÓ»0/(++A !  ōĔHyY hJ

    V !  Apple1Siri !  NTTaRp1<5(+RyTJv !  Yahoo!1ōĔGTV` !  cr VNrw Tsy !  Gunosy !  SmartNews
  10. 7-: !  `wya2>@ķ^ n0 !  òı1³ŝ0å^ n?¼ŃDƄAý»1 A^ n0 ! 

    >@Ą­—/YVO,;ÜŻ—/ßů2Ó» !  ĉĞ1ĥ‘ŐE !  üĽ0ĩ¥;šĉĞč‘B+ƒÎ‚š B% !  ŕ/AĉĞDÐ(+A6.[qyV
  11. ăéòŧ 1/2 !  [ĸʼn12] ĸʼnĬġ. F=+3^_] 4>X. NLP2012 [r `uGv.

    !  [Brown+93] P . Brown, S. Della Pietra, V. Della Pietra, R. Mercer. The mathematics of statistical machine translation: parameter estimation. Computational Linguistics, 19(2), 1993. !  [Sutskever+14] I. Sutskever, O. Vinyals, Q. V. Le. Sequence to Sequence Learning with Neural Networks. NIPS 2014.
  12. ăéòŧ 2/2 !  [Blei+03] D. M. Blei, A. Y. Ng,

    M. I. Jordan. Latent Dirichlet Allocation. JMLR 2003. !  [McDonald+05] R. McDonald, F . Pereira, K. Ribarov, J. Hajic. Non-projective Dependency Parsing using Spanning Tree Algorithms. HLT-EMNLP 2005. !  [McDonald07] R. McDonald. A Study of Global Inference Algorithms in Multi-Document Summarization. Advances in Information Retrieval, 2007. !  [Socher+11] R. Socher, C. Lin, A. Y. Ng, C. D. Manning. Parsing Natural Scenes and Natural Language with Recursive Neural Networks. ICML 2011. !  [úû+13] úûŴŵ, ŌİŞê, ųÝŷÆ, °Ɔž™, šÝŗ™. O<H0?8AD0 P( *C825:?Q. JSAI 2013.