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figure-word-alignment&probability-distribution-in-ibm-model-3.tex 4.82 KB
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update chapter 6 & 7
fd13b264
 
曹润柘 committed
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%%% outline
%-------------------------------------------------------------------------


%%% 简易机器翻译系统 - step 3 decoding - example


\begin{tikzpicture}


\begin{scope}[scale=0.6]
\node [anchor=west] (eq1) at (0,0) {吃};
\node [anchor=west] (eq2) at ([xshift=3.0em,yshift=0.0em]eq1.east) {早饭};
\node [anchor=north] (eq3) at ([xshift=0.0em,yshift=-2.0em]eq1.south) {have};
\node [anchor=north] (eq4) at ([xshift=0.0em,yshift=-2.0em]eq2.south) {breakfast};
\node [anchor=east] (eq5) at ([xshift=-1.0em,yshift=-1.8em]eq1.west) {$\mathbf{a}_{1}$};
\node [anchor=west] (eq6) at ([xshift=1.0em,yshift=-1.8em]eq2.east) {$\textrm{P}(\mathbf{s},\mathbf{a}_{1}|\mathbf{t})=0.5$};
\draw [-,very thick](eq1.south) -- (eq3.north);
\draw [-,very thick](eq2.south) -- (eq4.north);
\node [anchor=west] (eq7) at ([xshift=13.1em,yshift=1.4em]eq2.east) {};
\node [anchor=west] (eq8) at ([xshift=13.1em,yshift=-25.6em]eq2.east) {};
\node [anchor=south] (eq9) at ([xshift=0.0em,yshift=0.0em]eq7.north) {吃早饭 $\Leftrightarrow $ have breakfast};


\draw [-,very thick,dotted](eq7.south) -- (eq8.north);


\end{scope}

\begin{scope}[scale=0.6,xshift=0.0,yshift=-10.0em]
\node [anchor=west] (eq1) at (0,0) {吃};
\node [anchor=west] (eq2) at ([xshift=3.0em,yshift=0.0em]eq1.east) {早饭};
\node [anchor=north] (eq3) at ([xshift=0.0em,yshift=-2.0em]eq1.south) {have};
\node [anchor=north] (eq4) at ([xshift=0.0em,yshift=-2.0em]eq2.south) {breakfast};
\node [anchor=east] (eq5) at ([xshift=-1.0em,yshift=-1.8em]eq1.west) {$\mathbf{a}_{2}$};
\node [anchor=west] (eq6) at ([xshift=1.0em,yshift=-1.8em]eq2.east) {$\textrm{P}(\mathbf{s},\mathbf{a}_{2}|\mathbf{t})=0.1$};
\draw [-,very thick](eq1.south) -- (eq4.north);
\draw [-,very thick](eq2.south) -- (eq3.north);
\end{scope}

\begin{scope}[scale=0.6,xshift=0.0,yshift=-20.0em]
\node [anchor=west] (eq1) at (0,0) {吃};
\node [anchor=west] (eq2) at ([xshift=3.0em,yshift=0.0em]eq1.east) {早饭};
\node [anchor=north] (eq3) at ([xshift=0.0em,yshift=-2.0em]eq1.south) {have};
\node [anchor=north] (eq4) at ([xshift=0.0em,yshift=-2.0em]eq2.south) {breakfast};
\node [anchor=east] (eq5) at ([xshift=-1.0em,yshift=-1.8em]eq1.west) {$\mathbf{a}_{3}$};
\node [anchor=west] (eq6) at ([xshift=1.0em,yshift=-1.8em]eq2.east) {$\textrm{P}(\mathbf{s},\mathbf{a}_{3}|\mathbf{t})=0.1$};
\draw [-,very thick](eq1.south) -- (eq3.north);
\draw [-,very thick](eq2.south) -- (eq3.north);
\end{scope}

\begin{scope}[scale=0.6,xshift=29.0em,yshift=0.0em]
\node [anchor=west] (eq1) at (0,0) {吃};
\node [anchor=west] (eq2) at ([xshift=3.0em,yshift=0.0em]eq1.east) {早饭};
\node [anchor=north] (eq3) at ([xshift=0.0em,yshift=-2.0em]eq1.south) {have};
\node [anchor=north] (eq4) at ([xshift=0.0em,yshift=-2.0em]eq2.south) {breakfast};
\node [anchor=east] (eq5) at ([xshift=-1.0em,yshift=-1.8em]eq1.west) {$\mathbf{a}_{4}$};
\node [anchor=west] (eq6) at ([xshift=1.0em,yshift=-1.8em]eq2.east) {$\textrm{P}(\mathbf{s},\mathbf{a}_{4}|\mathbf{t})=0.1$};
\draw [-,very thick](eq1.south) -- (eq4.north);
\draw [-,very thick](eq2.south) -- (eq4.north);
\end{scope}

\begin{scope}[scale=0.6,xshift=29.0em,yshift=-10.0em]
\node [anchor=west] (eq1) at (0,0) {吃};
\node [anchor=west] (eq2) at ([xshift=3.0em,yshift=0.0em]eq1.east) {早饭};
\node [anchor=north] (eq3) at ([xshift=0.0em,yshift=-2.0em]eq1.south) {have};
\node [anchor=north] (eq4) at ([xshift=0.0em,yshift=-2.0em]eq2.south) {breakfast};
\node [anchor=east] (eq5) at ([xshift=-1.0em,yshift=-1.8em]eq1.west) {$\mathbf{a}_{5}$};
\node [anchor=west] (eq6) at ([xshift=1.0em,yshift=-1.8em]eq2.east) {$\textrm{P}(\mathbf{s},\mathbf{a}_{5}|\mathbf{t})=0.05$};
\draw [-,very thick](eq1.south) -- (eq3.north);
\draw [-,very thick](eq1.south) -- (eq4.north);
\draw [-,very thick](eq2.south) -- (eq3.north);
\node [anchor=west,very thick,draw=red,minimum width=1.5em,minimum height=1.5em] (w1) at (eq5.west){};
\node [anchor=west,very thick,draw=red,minimum width=7.7em,minimum height=1.5em] (w2) at (eq6.west){};

\end{scope}

\begin{scope}[scale=0.6,xshift=29.0em,yshift=-20.0em]
\node [anchor=west] (eq1) at (0,0) {吃};
\node [anchor=west] (eq2) at ([xshift=3.0em,yshift=0.0em]eq1.east) {早饭};
\node [anchor=north] (eq3) at ([xshift=0.0em,yshift=-2.0em]eq1.south) {have};
\node [anchor=north] (eq4) at ([xshift=0.0em,yshift=-2.0em]eq2.south) {breakfast};
\node [anchor=east] (eq5) at ([xshift=-1.0em,yshift=-1.8em]eq1.west) {$\mathbf{a}_{6}$};
\node [anchor=west] (eq6) at ([xshift=1.0em,yshift=-1.8em]eq2.east) {$\textrm{P}(\mathbf{s},\mathbf{a}_{6}|\mathbf{t})=0.05$};
\draw [-,very thick](eq1.south) -- (eq3.north);
\draw [-,very thick](eq2.south) -- (eq4.north);
\draw [-,very thick](eq2.south) -- (eq3.north);
\node [anchor=west,very thick,draw=red,minimum width=1.5em,minimum height=1.5em] (w1) at (eq5.west){};
\node [anchor=west,very thick,draw=red,minimum width=7.7em,minimum height=1.5em] (w2) at (eq6.west){};
\end{scope}




\end{tikzpicture}