Table 1.

Methods included in the comparisons

Method (Reference)	Similarity	Signif. cutoff
	measure
CS (Lamb et al., 2006)	Kolmogorov-Smirnoff statistic	0.1 FDR (query)
EXALT (Yi et al., 2007)	Significance score	0.2 FDR (query & ref.)
ProbCD (Vêncio et al., 2007)	Probabilistic categorization	Not required
EPSA (Tenenbaum et al., 2008)	Spearman's correlation	0.1 FDR (query)
LRpath (Sartor et al., 2009)	Logistic regression	0.1 FDR (reference)
Wilcoxon rank test	W statistic	Not required
Simple correlation	Pearson, Spearman	Not required
GRS	Random set statistic	Not required