Latex learning-title/author/abstract/keywords

\title{******}

\author{******\thanks{e-mail:******},******\thanks{e-mail:******}\\your own institute}

\begin{document}

\begin｛abstract}

 

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\begin{CRcatlist}

 \CRcat{I.3.7}{Computer Graphics}{Three-Dimensional Graphics and Realism}{Raytracing};

\end{CRcatlist}

\textbf{Keywords:}  ******     

%%or we can use this method as follows:

%%\keywords{******}

end{abstract}

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\end{document}