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@@ -0,0 +1,78 @@
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+\subsection{Überblick}
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+\pgfdeclarelayer{background}
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+\pgfsetlayers{background,main}
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+
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+\tikzstyle{vertex}=[circle,fill=black!25,minimum size=20pt,inner sep=0pt]
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+\tikzstyle{selected vertex} = [vertex, fill=red!24]
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+\tikzstyle{blue vertex} = [vertex, fill=blue!24]
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+\tikzstyle{edge} = [draw,thick,-]
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+\tikzstyle{weight} = [font=\small]
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+\tikzstyle{selected edge} = [draw,line width=5pt,-,red!50]
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+\tikzstyle{ignored edge} = [draw,line width=5pt,-,black!20]
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+
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+\begin{frame}{Random Walk}
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+ \begin{figure}
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+ \begin{tikzpicture}[->,scale=1.8, auto,swap]
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+ % Draw the vertices. First you define a list.
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+ \foreach \pos/\name/\ltext in {{(0,0)/a/}, {(0,2)/b/b}, {(1,2)/c/},
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+ {(1,0)/d/}, {(2,1)/e/e}, {(3,1)/f/b},
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+ {(4,2)/g/a}, {(5,2)/h/a}, {(4,0)/i/a},
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+ {(5,0)/j/}}
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+ \node[draw,circle,fill=white] (\name) at \pos {$\ltext$};
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+
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+ \node[draw,circle,red,fill=red] (e) at (2,1) {$e$};
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+
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+ % Connect vertices with edges and draw weights
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+ \foreach \source/ \dest /\pos in {a/b/, b/c/, c/d/, d/a/,
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+ c/e/bend left, d/e/, e/c/,
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+ e/f/, f/g/, f/i/,
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+ g/f/bend right, i/f/bend left,
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+ g/h/, h/j/, j/i/, i/g/}
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+ \path (\source) edge [\pos] node {} (\dest);
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+
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+ \foreach \fr / \number in {1/,
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+ 2/b=1,
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+ 3/b=1\, a=1,
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+ 4/b=1\, a=2,
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+ 5/b=2\, a=2,
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+ 6/b=2\, a=3,
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+ 7/b=2\, a=4
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+ }
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+ \node<\fr->[fill=white] (Tlabel) at (2,0) {$\number$};
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+
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+ % Start animating the edge selection.
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+ % For convenience we use a background layer to
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+ % highlight edges. This way we don't have to worry about
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+ % the highlighting covering weight labels.
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+ \begin{pgfonlayer}{background}
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+ \foreach \source / \dest / \fr / \colorf /\pos in {e/f/2/red/,f/g/3/red/,g/h/4/red/, e/f/5/blue/, f/i/6/blue/, i/g/7/blue/,e/c/8/green/,c/d/9/green/, d/a/10/green/}
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+ \path<\fr->[selected edge, \colorf!20] (\source.center) edge
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+ [\pos] node {} (\dest.center);
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+ \end{pgfonlayer}
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+ \end{tikzpicture}
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+ \end{figure}
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+
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+ Klassifizieren des roten Knotens:
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+ \begin{itemize}
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+ \item Zählen von Knotenbeschriftungen in Random Walks
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+ \item 4 Random Walks
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+ \item 3 Sprünge pro Random Walk
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+ \item<11> $4 \cdot a$, $2 \cdot b \Rightarrow$ Rot mit $a$ klassifizieren
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+ \end{itemize}
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+\end{frame}
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+
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+\begin{frame}{Wortknoten}
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+ \begin{itemize}
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+ \item<1-> Neben Struktur können Texte genutzt werden
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+ \item<2-> Einschränkung: Effizienz!
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+ \item<3-> Wünschenswert: Wenig weiterer Programmieraufwand
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+ \item<4-> Idee: Graph erweitern
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+ \begin{itemize}
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+ \item<5-> Texte als Wortmengen
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+ \item<6-> Strukturknoten verweisen auf Wortknoten
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+ \item<7-> vice versa
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+ \end{itemize}
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+ \end{itemize}
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+\end{frame}
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+
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+\framedgraphic{Erweiterter, bipartiter Graph}{../images/graph-content-and-structure.pdf}
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