-\documentclass[12pt]{article}
+\documentclass{article}
\usepackage{subfig}
\usepackage{color}
\usepackage{graphicx}
\usepackage{cite}
\usepackage{algorithm}
\usepackage{algorithmic}
-\usepackage{longtable}
\usepackage{pdflscape}
+\usepackage{longtable}
+\usepackage{amsmath,mathtools}
+\usepackage[utf8]{inputenc}
% correct bad hyphenation here
\author{
-Bassam Al-Kindy,
+Bassam AlKindy,
Jean-Fran\c{c}ois Couchot,
Christophe Guyeux,
and Michel Salomon*\\
Computer Science Laboratory DISC,
University of Franche-Comt\'{e},
Besan\c con, France.\\
- $*:$ Authors in alphabetic order.\\
+$*:$ Authors in alphabetic order.\\
}
\newcommand{\JFC}[1]{\begin{color}{green}\textit{}\end{color}}
\newcommand{\CG}[1]{\begin{color}
\input{abstract}
\section{Introduction}\label{sec:intro}
-%\input{intro.tex}
+\input{intro.tex}
\section{Similarity-based Approach}