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\begin{document}

\title{Finding the core-genes of Chloroplast Species}
\author{
Bassam AlKindy\footnote{email: balkindy@femto-st.fr} \and Jean-Fran\c{c}ois Couchot 
\and Christophe Guyeux \and Michel Salomon \and\\
FEMTO-ST Institute, UMR 6174 CNRS, \\
Computer Science Department DISC, \\
University of Franche-Comt\'{e}, France \\
{\small \it Authors in alphabetic order}
}

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\section{Introduction}\label{sec:intro}
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\section{Similarity-based approach}
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\section{Annotation-based approaches}
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\section{Conclusion}\label{sec:concl}


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