Table 2.

Mean nDCG for K recommended links

	Mean nDCGk (robust case)			Mean nDCGk (moderate case)
	k = 3	k = 4	k = 5	k = 3	k = 4	k = 5
General Medicine	0.78	0.7	0.5	0.88	0.83	0.75
Diabetes	0.73	0.74	0.72	0.90	0.87	0.85
HTN	0.51	0.49	0.46	0.65	0.61	0.58