Add ML intro and business intelligence

src/machine-learning-and-data-mining/sections/_bi.tex

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+\chapter{Business Intelligence}
+
+
+\begin{description}
+    \item[\Acl{bi}] \marginnote{\Acl{bi}}
+        Transform raw data into information.
+        Deliver the right information to the right people at the right time through the right channel.
+
+    \item[\Ac{dwh}] \marginnote{\Acl{dwh}}
+        Optimized repository that stores information for decision making processes.
+        \Acp{dwh} are a specific type of \ac{dss}.
+
+        Features:
+        \begin{itemize}
+            \item Subject-oriented: focused on enterprise specific concepts.
+            \item Integrates data from different sources and provides an unified view.
+            \item Non-volatile storage with change tracking. 
+        \end{itemize}
+
+    \item[\Ac{dm}] \marginnote{\Acl{dm}}
+        Subset of the primary \ac{dwh} with information relevant to a specific business area.
+\end{description}