+\begin{multicols}{2}\r
+\r
+%\rm\r
+\r
+%%% Introduction\r
+\section{Querying}\r
+Querying means to effectively utilize the search engine in order to retrieve as many relevant\r
+documents as possible with the minimum amount of queries.\r
+%We consider the resulting document relevantif it shares some of text characteristics with the suspicious document.\r
+In real-world queries as such represent appreciable cost, therefore their minimization should be one of the top priorities. \\\r
+\subsection{Types of Queries}\r
+From the suspicious document, there were three diverse types of queries extracted.\r
+\subsubsection{Keywords Based Queries}\r
+\begin{ytemize}\r
+\item TF--IDF base automated keywords extraction;\r
+\item 5-token long; \r
+\item Deterministic;\r
+\item Non-positional;\r
+\item Non-phrasal.\r
+\end{ytemize}\r
+\subsubsection{Intrinsic Plagiarism Based Queries}\r
+\begin{ytemize}\r
+\item Averaged Word Frequency Class based chunking~\cite{AWFC};\r
+\item Random sentence selection from the chunk;\r
+\item Non-deterministic;\r
+\item Positional;\r
+\item Phrasal.\r
+\end{ytemize}\r
+\subsubsection{Paragraph Based Queries}\r
+\begin{ytemize}\r
+\item Longest sentences from miscellaneous paragraphs;\r
+\item Deterministic;\r
+\item Positional;\r
+\item Phrasal.\r
+\end{ytemize}\r
+\r
+\section{Selecting}\r
+\begin{figure}\r
+ \centering\r
+ \includegraphics[width=0.8\textwidth]{img/snippets_graph.pdf}\r
+ \caption{Downloads and similarities performance.}\r
+ \label{fig:snippet_graph}\r
+\end{figure}\r
+\r
+\section{Text Alignment}\r