Added a nicer visual for word2vec

Slides/Chapter_05_Natural_Language_Processing/01-Word_Embedding/main.tex

@@ -321,11 +321,11 @@ \section{Word2Vec}
 \begin{frame}{Word2Vec as a Neural Network}
 	\begin{figure}
 		\centering
-		\includegraphics[width=0.7\textwidth]{pic/word2vec_nn.png}
+		\includegraphics[height=0.40\textwidth]{pic/skip_gram.png}
 	\end{figure}
 	\vspace{0.4cm}
 	\hspace{-1.0cm}
-	{\tiny \textcolor{gray}{Figure adapted from machinelearningcoban.com/tabml\_book/ch\_embedding/word2vec.html}}
+	{\tiny \textcolor{gray}{Figure adapted from https://www.mlebook.com/wiki chapter 4 draft}}
 \end{frame}
 
 \begin{frame}{Expected Outcome of Word2Vec}
@@ -388,6 +388,16 @@ \subsection{Continuous Bag of Words (CBOW)}
 	{\tiny \textcolor{gray}{Figure adapted from geeksforgeeks.org/continuous-bag-of-words-cbow-in-nlp/}}
 \end{frame}
 
+\begin{frame}{Continuous Bag of Words as a Neural Network}
+	\begin{figure}
+		\centering
+		\includegraphics[width=0.7\textwidth]{pic/word2vec_nn.png}
+	\end{figure}
+	\vspace{0.4cm}
+	\hspace{-1.0cm}
+	{\tiny \textcolor{gray}{Figure adapted from machinelearningcoban.com/tabml\_book/ch\_embedding/word2vec.html}}
+\end{frame}
+
 \subsection{Skip-gram Model}
 
 \begin{frame}{Skip-gram: How It Works}