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Table 1 Mean precision @ K recommended links

From: HealthRecSys: A semantic content-based recommender system to complement health videos

  Mean Precision@k (robust case) Mean Precision@k (moderate case)
  k = 3 k = 4 k = 5 k = 3 k = 4 k = 5
General Medicine 0.77 0.65 0.5 0.87 0.80 0.70
Diabetes 0.71 0.71 0.68 0.89 0.85 0.81
HTN 0.48 0.45 0.39 0.62 0.57 0.53
  1. The evaluation based on nDCG (see Table 2) shows similar patterns, and lower performance when recommending links for hypertension videos. As expected, the relevance of the links decreased with an increase in the number of recommended links for a given video (k = 5)