X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;ds=sidebyside;f=pan13-poster%2Fposter.tex;h=a01b220400aeb1d6e42f7b2fa44eead3b1b26c76;hb=b079a98b8d46aee8c68ff3d968873eae403b25e1;hp=5e3c9a095b4e30283e5c9b63b798d7325becc268;hpb=b92a122ec0f3aca815db768cbd5ff1cde427cd38;p=pan13-paper.git diff --git a/pan13-poster/poster.tex b/pan13-poster/poster.tex index 5e3c9a0..a01b220 100755 --- a/pan13-poster/poster.tex +++ b/pan13-poster/poster.tex @@ -118,14 +118,22 @@ \begin{multicols}{2}\setlength{\columnseprule}{0pt} \section{Introduction} % -PAN 2013 LOrem ipsum Lorem ipsum Lorem ipsumLorem ipsumLorem ipsumLorem ipsumLorem ipsum +A program for helping detering real-world plagiarism needs to accomplish many tasks. +Original documents which served for creation of plagiarism must be retrieved and also suspicious passages according to +input document must be highlighted. This poster presents methodology used during PAN2013 competition on uncovering plagiarism. + +The whole process is depicted at picture~\ref{fig:process}. The source retrieval task is divided into +2 subtasks: Quering and Selecting, during which the software utilizes given search engine. The retrieved +sources must be examined in detail in order to highlight as many plagiarism cases as possible. This process is depicted +as Text Alignment. + % \vfill \columnbreak % \begin{figure} \centering - \includegraphics[width=0.6\textwidth]{img/source_retrieval_process.pdf} + \includegraphics[width=0.7\textwidth]{img/source_retrieval_process.pdf} \caption{Plagiarism discovery process.} \label{fig:process} \end{figure} @@ -159,7 +167,7 @@ From the suspicious document, there were three diverse types of queries extracte \begin{minipage}{0.55\linewidth} \subsection{Intrinsic Plagiarism Based Queries} \begin{ytemize} -\item Averaged Word Frequency Class based chunking~\cite{AWFC}; +\item Averaged Word Frequency Class based chunking~\cite{awfc}; \item Random sentence selection from the chunk; \item Non-deterministic; \item Positional; @@ -215,34 +223,52 @@ A profitable threshold is such that matches with the largest distance between th \section{Text Alignment} +The system uses the same basic principles as in \cite{suchomel_kas_12}. + % % Spolecna cast % \section{Conclusion} -Nějaký závěr +\subsection{Candidate retrieval} -%%% References +\begin{itemize} +\item{Second best ratio of recall to the number of queries} +\item{Missing support for phrasal search in ChatNoir is a big stumbling block} +\end{itemize} -%% Note: use of BibTeX als works!! +\subsection{Text alignment} -\bibliographystyle{plain} -\begin{thebibliography}{1} +\begin{itemize} +\item{Significant improvement against PAN 2013} +\item{Word 4-grams are better than contextual 4-grams} +\item{We need a better ranking system than plagdet!} +\end{itemize} -\bibitem{ISMU} -\cemph{Masaryk University Information System}\\ -{\tt http://is.muni.cz/}, contact: {\tt iscor@fi.muni.cz}. +%%% References -\bibitem{Theses} -\cemph{Czech National Archive of Graduate Theses}\\ -{\tt http://theses.cz/}, contact: {\tt theses@fi.muni.cz}. +%% Note: use of BibTeX als works!! -\bibitem{AWFC} -\cemph{Sven Meyer Zu Eissen and Benno Stein: Intrinsic Plagiarism Detection}\\ -{\tt Proceedings of the European Conference on Information Retrieval (ECIR-06)}, {\tt 2006} +\bibliographystyle{plain} +\bibliography{pan13-notebook} +\nocite{awfc} -\end{thebibliography} +%\begin{thebibliography}{1} +% +%\bibitem{ISMU} +%\cemph{Masaryk University Information System}\\ +%{\tt http://is.muni.cz/}, contact: {\tt iscor@fi.muni.cz}. +% +%\bibitem{Theses} +%\cemph{Czech National Archive of Graduate Theses}\\ +%{\tt http://theses.cz/}, contact: {\tt theses@fi.muni.cz}. +% +%\bibitem{AWFC} +%\cemph{Sven Meyer Zu Eissen and Benno Stein: Intrinsic Plagiarism Detection}\\ +%{\tt Proceedings of the European Conference on Information Retrieval (ECIR-06)}, {\tt 2006} +% +%\end{thebibliography} \smallskip \hrule height .1em @@ -250,14 +276,20 @@ Nějaký závěr % \sffamily -QR kód? +\hbox to \hsize{ + {\hsize=0.5\hsize\vbox{ \cemph{Contact information:}\\ - Šimon Suchomel {\tt suchomel@fi.muni.cz},\\ - Jan Kasprzak, {\tt kas@fi.muni.cz}. - + Šimon Suchomel {\tt suchomel@fi.muni.cz}\\ + Jan Kasprzak {\tt kas@fi.muni.cz}\\ + {\cemph{\tt http://www.fi.muni.cz/\~{}kas/pan13/}} +} + \hfill + {\hsize=0.4\hsize\vbox{ + \includegraphics[width=\hsize]{qrcode.png} +}}}} + \end{multicols} \end{document} -