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春の情報処理祭 自然言語処理

春の情報処理祭 自然言語処理

Yuya Unno

March 16, 2015
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  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 Ę½ĄŅ 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 Ę½ĄŅ 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.