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前回までの復習 Ú 言語 (languages) – 自然言語 (natural languages) • 文字言語 (written languages) • 音声言語

前回までの復習 Ú 言語 (languages) – 自然言語 (natural languages) • 文字言語 (written languages) • 音声言語 (spoken languages) • 視覚言語 (visual languages) – 人 言語 (artificial languages) • Programming languages – 手続き型言語・関数型言語・論理型言語 – オブジェクト指向型言語・アスペクト指向型言語　など Natural Language Processing 2011 (Tokyo University of Technology) 3

前回までの復習 Ú 言語 (languages) – 自然言語 (natural languages) • 文字言語 (written languages) • 音声言語

前回までの復習 Ú 言語 (languages) – 自然言語 (natural languages) • 文字言語 (written languages) • 音声言語 (spoken languages) • 視覚言語 (visual languages) – 人 言語 (artificial languages) • Programming languages – 手続き型言語・関数型言語・論理型言語 – オブジェクト指向型言語・アスペクト指向型言語　など Natural Language Processing 2011 (Tokyo University of Technology) 4

対話ロボットのデモ Natural Language Processing 2011 (Tokyo University of Technology) 5

対話ロボットのデモ Natural Language Processing 2011 (Tokyo University of Technology) 5

今日の後半に移りましょう！ Natural Language Processing 2011 (Tokyo University of Technology) 12

今日の後半に移りましょう！ Natural Language Processing 2011 (Tokyo University of Technology) 12

構文解析（統語解析） Ú NLPの中心的話題です。 Natural Language Processing 2011 (Tokyo University of Technology) 13

構文解析（統語解析） Ú NLPの中心的話題です。 Natural Language Processing 2011 (Tokyo University of Technology) 13

準備 Ú 次の文の構造を分析してみよう。 Tom broke the cup. Natural Language Processing 2011 (Tokyo University of

準備 Ú 次の文の構造を分析してみよう。 Tom broke the cup. Natural Language Processing 2011 (Tokyo University of Technology) 17

文法 Ú G = { Vn, Vt, σ, P } – Vn：非終端記号 – Vt：終端記号

文法 Ú G = { Vn, Vt, σ, P } – Vn：非終端記号 – Vt：終端記号 – σ：開始記号 – P：書き換え規則 Natural Language Processing 2011 (Tokyo University of Technology) 18

Ú G = {Vn, Vt, σ, P} – Vn ={S, NP, VP, Prp. N,

Ú G = {Vn, Vt, σ, P} – Vn ={S, NP, VP, Prp. N, V, Det, N} – Vt = {Tom, broke, the, cup} – σ =　S – P={S→NP VP, NP →Prp. N, VP →V NP, NP → Det N, Prp. N → Tom, V →broke, Det →the, N→cup} Natural Language Processing 2011 (Tokyo University of Technology) 19

Prologの動作を理解する。 Ú 黒板で説明します。 Natural Language Processing 2011 (Tokyo University of Technology) 21

Prologの動作を理解する。 Ú 黒板で説明します。 Natural Language Processing 2011 (Tokyo University of Technology) 21

今日のツール類 Ú Chasen Ú Wincha Ú Prolog Ú Elizaプログラム Natural Language Processing 2011 (Tokyo

今日のツール類 Ú Chasen Ú Wincha Ú Prolog Ú Elizaプログラム Natural Language Processing 2011 (Tokyo University of Technology) 26

languages natural languages written languages spoken languages visuallanguages natural languages written languages spoken languages visual
languages natural languages written languages spoken languages visuallanguages natural languages written languages spoken languages visual
languages natural languages written languages spoken languages visuallanguages natural languages written languages spoken languages visual
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