\begin{tabular}{|l|l|l|l| }
\hline
Prev=0.9274 &  \multicolumn{3}{c|}{F1 score - Article 1} \\
\cline{2-4} & desc & BoW & both \\ \hline
AdaBoost                & 0.9099 & 0.9780 & 0.9711\\
BaggingClassifier       & 0.9213 & 0.9779 & 0.9803\\
Bernoulli Naive Bayes   & 0.8893 & 0.9258 & 0.9186\\
Decision Tree           & 0.9300 & 0.9710 & 0.9659\\
Ensemble Extra Tree     & 0.8954 & 0.9801 & 0.9811\\
Extra Tree              & 0.8858 & 0.9643 & 0.9502\\
Gradient Boosting       & {\bf 0.9413} & 0.9787 & 0.9761\\
K-Neighbors             & 0.9041 & 0.8995 & 0.8995\\
Linear SVC              & 0.9206 & {\bf 0.9809} & {\bf 0.9819}\\
Multinomial Naive Bayes & 0.9012 & 0.9352 & 0.9315\\
Neural Net              & 0.9055 & 0.9461 & 0.9445\\
RBF SVC                 & 0.8925 & 0.8925 & 0.8925\\
Random Forest           & 0.8949 & 0.9800 & 0.9811\\
\hline
\end{tabular}