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\begin{document}
\title{Finding the core-genes of Chloroplast Species}


\author{
Bassam Al-Kindy,
Jean-Fran\c{c}ois Couchot,  
Christophe Guyeux,
and Michel Salomon*\\
  FEMTO-ST Institute, UMR 6174 CNRS\\
  Computer Science Laboratory DISC,
  University of Franche-Comt\'{e},
  Besan\c con, France.\\
 $*:$ 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{Annotated-based Approach}
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\section{Conclusion}\label{sec:concl}


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