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Toy-MT-Introduction
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Merge branch 'master' of 47.105.50.196:NiuTrans/Toy-MT-Introduction

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Section04-Phrasal-and-Syntactic-Models/section04.tex
...@@ -3819,140 +3819,134 @@ d = r_1 \circ r_2 \circ r_3 \circ r_4 ...@@ -3819,140 +3819,134 @@ d = r_1 \circ r_2 \circ r_3 \circ r_4
% 看NiuTrans Manual % 看NiuTrans Manual
\begin{itemize} \begin{itemize}
\item 我们来看一个CYK算法的具体例子，给定一个上下无关文法以及一个单词\alert{aabbc}，来判断该单词是否属于此文法，解析流程如下 \item 我们来看一个CYK算法的具体例子，给定一个上下无关文法以及一个单词\alert{aabbc}，来判断该单词是否属于此文法，解析流程如下
\vspace{-0.5em} \vspace{-0.3em}
\begin{center} \begin{center}
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\begin{scope}[scale=0.85] \begin{scope}[scale=0.85]
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\node[srcnode] (c2) at ([xshift=1em]c1.south east) {\small{a}};
\node[srcnode] (c3) at ([xshift=1em]c2.south east) {\small{b}};
\node[srcnode] (c4) at ([xshift=1em]c3.south east) {\small{b}};
\node[srcnode] (c5) at ([xshift=1em]c4.south east) {\small{c}};
\node[anchor=south east] (g1) at ([xshift=1em,yshift=3.0em]c1.north west) {\small{$\textrm{S} \to \textrm{AB}\ \ \ \textrm{A} \to \textrm{CD}\ \vert \ \textrm{CF}\ \ \ \textrm{B} \to \textrm{c}\ \vert \ \textrm{BE}$}}; \node[anchor=south east] (g1) at (0,0) {\small{$\textrm{S} \to \textrm{AB}\ \ \ \textrm{A} \to \textrm{CD}\ \vert \ \textrm{CF}\ \ \ \textrm{B} \to \textrm{c}\ \vert \ \textrm{BE}$}};
\node[anchor=north west] (g2) at ([yshift=0.1em]g1.south west) {\small{$\textrm{C} \to \textrm{a}\ \ \ \ \textrm{D} \to \textrm{b}\ \ \ \ \textrm{E} \to \textrm{c}\ \ \ \ \textrm{F} \to \textrm{AD}$}}; \node[anchor=north west] (g2) at ([yshift=0.3em]g1.south west) {\small{$\textrm{C} \to \textrm{a}\ \ \ \ \textrm{D} \to \textrm{b}\ \ \ \ \textrm{E} \to \textrm{c}\ \ \ \ \textrm{F} \to \textrm{AD}$}};
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\vspace{0.5em}
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\node [anchor=center] (y1) at ([xshift=-1.2em]alig21.center) {\tiny{2}};
\node [anchor=center] (y1) at ([xshift=-1.2em]alig31.center) {\tiny{3}}; \node [anchor=center] (y1) at ([xshift=-1.2em,yshift=1.3em]cell11.center) {\scriptsize{\blue 0}};
\node [anchor=center] (y1) at ([xshift=-1.2em]alig41.center) {\tiny{4}}; \node [anchor=center] (y2) at ([xshift=-1.2em,yshift=1.3em]cell21.center) {\scriptsize{\blue 1}};
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\node[anchor=west] (l1) at ([xshift=-19.2em,yshift=2em]alig11.west) {\small{1.首先建立一个5*5的上三角矩阵}}; \node [anchor=center] (y5) at ([xshift=-1.2em,yshift=1.3em]cell51.center) {\scriptsize{\blue 4}};
\node[anchor=west] (l2) at ([xshift=0.8em,yshift=-1.5em]l1.west) {\small{cell[i][j]代表范围内所有语法成分}}; \node [anchor=center] (y6) at ([xshift=-1.2em,yshift=-1em]cell51.center) {\scriptsize{\blue 5}};
\node [anchor=west] (num) at ([xshift=15em,yshift=0.5em]s1.east) {\footnotesize{序号}};
\node [anchor=west] (kua) at ([xshift=1em]num.east) {\footnotesize{跨度}};
\node [anchor=west] (tui) at ([xshift=1em]kua.east) {\footnotesize{推导}};
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\node[anchor=west] (l3) at ([yshift=-4em]l1.west) {\small{2.从叶子到根找到所有可能的推导}}; \node [anchor=west] (n1) at ([yshift=-1em]num.south west) {\footnotesize{1}};
\node[anchor=west] (l4) at ([xshift=0.8em,yshift=-1.5em]l3.west) {\small{如cell[1][3] = cell[1][1] + cell[2][3]}}; \node [anchor=west] (k1) at ([yshift=-1em]kua.south west) {\footnotesize{[{\blue 0},{\blue 1}]}};
\node[anchor=west] (l5) at ([xshift=5.45em,yshift=-1.5em]l4.west) {\small{或cell[1][2] + cell[3][3]}}; \node [anchor=west] (t1) at ([yshift=-1em]tui.south west) {\footnotesize{C $\to$ a}};
} \node [anchor=center,selectnode,fill=black!10] (alig11) at (cell11.center) {\footnotesize{C}};
\visible<10->{
\node[anchor=west] (l6) at ([yshift=-5em]l3.west) {\small{3.如果最后一个cell包含了起始符}};
\node[anchor=west] (l7) at ([xshift=0.8em,yshift=-1.5em]l6.west) {\small{则该单词可以由文法推导得到}};
}
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\node [anchor=center,selectnode,fill=blue!30] (alig13) at (alig13.center) {\footnotesize{D}}; \node [anchor=center] (k3) at ([yshift=-1.3em]k2.center) {\footnotesize{[{\blue 2},{\blue 3}]}};
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\node [anchor=center,selectnode,fill=blue!30] (alig15) at (alig15.center) {\footnotesize{B,E}}; \node [anchor=center,selectnode,fill=black!10] (alig31) at (cell31.center) {\footnotesize{D}};
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} }
\end{scope} \end{scope}
\end{tikzpicture} \end{tikzpicture}
\end{center} \end{center}
\end{itemize} \end{itemize}
\end{frame} \end{frame}
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