Table 2.

Performance results for different feature sets

Feature set	AUC Guney reference set	AUC EMC reference set
Overlap and co-occurrence features	59.8% (0.9%)*	64.9% (0.6%)
Overlap and predicate features	77.6% (1.6%)	73.1% (0.9%)
Overlap and provenance features	75.1% (1.7%)	71.3% (1.0%)
Overlap, predicate and provenance features (all relationships)	78.1% (1.7%)	74.3% (1.0%)
Predicate and provenance features (indirect relationships only)	74.4% (1.9%)	70.6% (1.0%)
Guney’s proximity metric	65.6% (1.4%)	64.6% (0.6%)

*Values indicate mean and standard deviation of the AUCs of 100 experiments