diff --git a/PresTeX/images/biodiv-schaal.png b/PresTeX/images/biodiv-schaal.png
new file mode 100644
index 0000000..1c5a803
Binary files /dev/null and b/PresTeX/images/biodiv-schaal.png differ
diff --git a/PresTeX/presentation.tex b/PresTeX/presentation.tex
index 0c3bb71..4894f1c 100644
--- a/PresTeX/presentation.tex
+++ b/PresTeX/presentation.tex
@@ -115,6 +115,27 @@ Intersection of GIS and gaming technology\footnotemark
 	\footcitetext{1705427}
 \end{frame}
 
+\begin{frame}{Research with location based games}
+	\begin{columns}
+	\column{0.35\linewidth}
+		\begin{itemize}
+			\item Define mission statement
+			\item Build statistical framework
+			\item Questionnaires
+			\begin{itemize}
+				\item Pre
+				\item Post
+			\end{itemize}
+			\item {[Data entry]}
+			\item Statistical processing
+		\end{itemize}
+	\column{.6\linewidth}
+		\image{\textwidth}{biodiv-schaal}{Statistical framework for BioDiv2Go\footnotemark}{img:biodiv-schaal}
+	\end{columns}
+	%\addtocounter{footnote}{-1}
+	\footcitetext{Schaal2017}%\stepcounter{footnote}
+\end{frame}
+
 \section{Goal definition}
 \begin{frame}{Goal definition}
 \framesubtitle{A Framework for the Analysis of Spatial Game Data}
@@ -125,7 +146,7 @@ Intersection of GIS and gaming technology\footnotemark
 		\item Expert users/researchers
 		\item Staging/designing staff
 		\end{itemize}
-	\item Integration of external data (questionaire results)
+	\item Integration of external data (questionnaire results)
 	\item Adaptable for multiple games
 \end{itemize}
 \end{frame}
@@ -164,8 +185,8 @@ Technologies: Collection, Time-series databases, Frontend
 	\item[+] widely deployed
 	\item[+] powerful query languages %TODO example
 	\item mainly web/container/hardware monitoring
-	\item[-] spatial analysis: heavily anonymised
-	\item[-] fast-paced enviroment
+	\item[-] spatial analysis: heavily anonymized
+	\item[-] fast-paced environment
 \end{itemize}
 \end{frame}
 
@@ -175,9 +196,8 @@ Technologies: Collection, Time-series databases, Frontend
 \begin{itemize}
 	\item GPS overestimates systematically \autocite{Ranacher_2015}
 	\item GPS is a suitable instrument for spatio-temporal data\autocite{van_der_Spek_2009}
-	\item Activity mining
+	\item Activity mining \autocite{Gong_2014}
 		\begin{itemize}
-		\item Overview: \autocite{Gong_2014}
 		\item Speed-based Clustering \autocite{ren2015mining}
 		%\item \autocite{Ferrante_2016} % closed access
 		\item Machine Learning \autocite{pattern_recog} %TODO
@@ -195,7 +215,7 @@ Technologies: Collection, Time-series databases, Frontend
 \image{.72\textwidth}{space-time}{Space-time cube examples\autocite{bach2014review}}{img:spacetime}
 \end{frame}
 
-\begin{frame}{Generaliziation}
+\begin{frame}{Generalization}
 \image{\textwidth}{generalization}{Trajectories and generalizations with varying radius parameter \autocite{adrienko2011spatial}}{img:generalization}
 \end{frame}
 
@@ -204,7 +224,7 @@ Technologies: Collection, Time-series databases, Frontend
 \end{frame}
 
 \subsection{Analyzing games}
-\begin{frame}{Analyzing gamez}
+\begin{frame}{Analyzing games}
 \begin{itemize}
 	\item there's more than heatmaps
 	\item combine position with game actions
@@ -214,25 +234,19 @@ Technologies: Collection, Time-series databases, Frontend
 \vspace{-42pt}
 %\image{.5\textwidth}{game-an}{chat logs with players location \autocite{Drachen2013}}{img:chatlogs}
 %\image{.5\textwidth}{ac3-death}{identify critical sections \autocite{Drachen2013}}{img:ac3death}
-\twofigures{0.5}{game-an}{chat logs with players location}{img:chatlogs}{ac3-death}{identify critical sections}{img:ac3death}{game analytics \cite{Drachen2013}}{fig:gameanal}
+\twofigures{0.5}{game-an}{Chat logs with players location}{img:chatlogs}{ac3-death}{Identify critical sections}{img:ac3death}{Game analytics \cite{Drachen2013}}{fig:gameanal}
 \end{frame}
 
-\subsection{Location based games}
-\begin{frame}{Analyzing location based games}
-\begin{itemize}
-	\item fragebögen (prä + post; p-hacking)
-\end{itemize}
-TODO: cite \footcite{Schaal2017} %TODO
-\end{frame}
+%\subsection{Location based games}
 
 \subsection{Summary}
 \begin{frame}{Summary}
 \begin{itemize}
 	\item Log processing: Powerful stacks
-	\item Movement analysis: Large field already explored (GPS influcene, Patterns, Behavior recognition, …)
+	\item Movement analysis: Large field already explored (GPS influence, Patterns, Behavior recognition, …)
 	\item Track rendering: Track (with attributes), Space-time cube, Heatmap, …
 	\item Spatial analysis of digital games with GIS
-	\item Analysis of location based games: Labourious manual process
+	\item Analysis of location based games: Laborious manual process
 \end{itemize}
 \end{frame}
 
@@ -254,7 +268,7 @@ TODO: cite \footcite{Schaal2017} %TODO
 		\item Staging/designing staff
 		\end{itemize}
 	\item Cross-game comparisons
-	\item Integration of external data (questionaire results)
+	\item Integration of external data (questionnaire results)
 \end{itemize}
 \end{frame}
 
@@ -269,7 +283,7 @@ TODO: cite \footcite{Schaal2017} %TODO
 \begin{frame}{Architecture}
 \begin{itemize}
 	\item Based on map-reduce
-	\item Map: analysis
+	\item Map: Analysis
 	\begin{itemize}
 		\item Iterate Log entries
 		\item Feed log entry through analyzer queue
@@ -282,10 +296,12 @@ TODO: cite \footcite{Schaal2017} %TODO
 	\item Reduce: Collect summaries from analyzers
 	\begin{itemize}
 		\item Rendering
-		\item Postprocessing, Comparison, …
+		\item Post-processing, Comparison, …
 	\end{itemize}
 \end{itemize}
-\image{.5\textwidth}{../../ThesTeX/images/flowchart.pdf}{flowchart}{img:flow}
+\end{frame}
+\begin{frame}{Architecture scheme}
+\image{\textwidth}{../../ThesTeX/images/map-reduce.pdf}{Data flows}{img:flow}
 \end{frame}
 
 \section{Outlook: Implementation}
@@ -297,9 +313,9 @@ TODO: cite \footcite{Schaal2017} %TODO
 		\begin{itemize}
 			\item Python (3.6)
 			\item Standalone library/CLI tool
-			\item Web based configuration/Runner/API(flask)
+			\item Web based configuration/Runner/API (Flask)
 		\end{itemize}
-		Rendnering
+		Rendering
 		\begin{itemize}
 			\item Matplotlib, Numpy
 			\begin{itemize}
@@ -320,7 +336,7 @@ TODO: cite \footcite{Schaal2017} %TODO
 \end{frame}
 
 \begin{frame}{Configuration \& results}
-\twofigures{0.5}{oeb-kml}{Analyzer configuration}{img:oebkml}{oeb-ge}{Result visiualized}{img:oebge}{Example: Generate KML tracks (BioDiv2Go; Oberelsbach2016)}{fig:oeb2016}
+\twofigures{0.5}{oeb-kml}{Analyzer configuration}{img:oebkml}{oeb-ge}{Result visualized}{img:oebge}{Example: Generate KML tracks (BioDiv2Go; Oberelsbach2016)}{fig:oeb2016}
 \end{frame}
 
 \begin{frame}{ActivityMapper}
diff --git a/ThesTeX/images/map-reduce.dot b/ThesTeX/images/map-reduce.dot
new file mode 100644
index 0000000..9426c90
--- /dev/null
+++ b/ThesTeX/images/map-reduce.dot
@@ -0,0 +1,28 @@
+digraph{
+rankdir="LR";
+log [shape="record", label="Log | entry0 | entry1 | entry2 | …"];
+{rank = same;
+a1 [label="Analyzer A"];
+a2 [label="Analyzer B"];
+a3 [label="…",style="dotted"];
+}
+{rank = same;
+r1 [label="Result A"];
+r2 [label="Result B"];
+r3 [label="Result …",style="dotted"];
+}
+
+c [label="Postprocessing & Render"];
+log -> a1;
+
+a1->a2;
+a2->a3 [style="dotted"];
+
+a1 -> r1;
+a2 -> r2;
+a3 -> r3 [style="dotted"];
+
+r1-> c;
+r2-> c;
+r3-> c [style="dotted"];
+}