- \begin{tabular}{llll}
- \cline{1-3}
- Ranking method & events vs. rest & spam vs. rest & \\
- \cline{1-3}
- Baseline & 16.5 & 84.6 & \\
- Size of thread & 24.1 & 83.5 & \\
- Number of users & 24.5 & 83.9 & \\
- Entropy + users & 34.0 & 96.3 & \\
- \cline{1-3}
- \end{tabular}