NDCG

AcronymDefinition
NDCGNetwork Design and Construction Group (Telstra Corp, Australia)
NDCGNormalized Discounted Cumulated Gain
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Caption: Figure 5: NDCG, precision, and recall of @N for Starbucks in Beijing.
NDCG is another most widely used measure for ranking problems.
The NDCG of all the users is the mean score of each user.
Similar to NDCG, the ERR of all the users is the mean score of each user.
iv) CofiRank [29]: a PR approach that optimizes the NDCG measure [28] for domains with explicit feedback data (e.
Rows denote the varieties of "Given" conditions for the training sets based on the ML1m and the extracted Netflix datasets and columns denote the quality of NDCG and ERR.
Figure 3 illustrates the ranking performance in terms of average NDCG at different depths of 10, 20, and 30.