Table 6:

Non-LCS Shortest Paths

reference standard	semantic groups	# term pairs	# non LCS paths	% of non LCS paths
MiniMayoSRS	all	29	17	0.59
MayoSRS	all	101	57	0.50
UMNSRS (relatedness)	all Disorder pairs Disorder-Chemical&Drug Chemical&Drug pairs	430 223 125 82	184 110 63 11	0.43 0.49 0.50 0.13
UMNSRS (similarity)	all Disorder pairs Disorder-Chemical&Drug Chemical&Drug pairs	401 212 112 77	183 106 63 14	0.46 0.50 0.56 0.18