I want to control the width of my table. Could I get some ideas to solve this problem?
\begin{table}[b]
\centering
\caption{The results of Human motion recognition [$\%$].}
\arrayrulecolor{black}
\begin{tabular}{lc!{\color{black}\vrule}lc}
\toprule
\multicolumn{2}{c!{\color{black}\vrule}}{Weizmann dataset} & \multicolumn{2}{c}{KTH dataset} \\
\multicolumn{1}{c}{Methods} & Accuracy [\%]~ & \multicolumn{1}{c}{Methods} & Accuracy [\%] \\
\arrayrulecolor{black}\hline
Fathi et al. \cite{Fathi2008ActionRB} & 90.00 & Schuldt et al. \cite{Schldt2004RecognizingHA} & 71.70 \\
Ali et al. \cite{Ali2010HumanAR} & 94.75 & Dollar et al. \cite{Dollr2005BehaviorRV} & 81.20 \\
Bregonzio et al.~ \cite{Bregonzio2012FusingAA} & 96.66 & Niebles et al. \cite{Niebles2007UnsupervisedLO} & 83.30 \\
Seo. et al. \cite{Seo2011ActionRF} & 97.50 & Jhuang et al. \cite{Jhuang2007ABI} & 91.70 \\
Wang et al. \cite{Wang2009EvaluationOL} & 96.70 & Ji et al. \cite{JiShuiwang20133DCN} & 90.20 \\
Arac et al. \cite{Acar2012HumanAR} & 97.77 & Schindler et al. \cite{Schindler2008ActionSH} & 92.70 \\
Fadwa et al. \cite{AlAzzo2017HumanAR} & 97.02 & Arac et al. \cite{Acar2012HumanAR} & 95.36 \\
Our best method & 99.47 & Our best method & 99.85 \\
\bottomrule
\end{tabular}
\end{table}


table? – Mico Aug 19 '20 at 13:42