Table 4 Data set information
From: Support attack detection algorithm for recommendation system based on deep learning
Data set | Abbreviation | Number of users | Number of entry | Evaluation score | Data set sparsity (%) |
|---|---|---|---|---|---|
Movie lens 100 K | ML 100 K | 943 | 1682 | 100 K | 94.96 |
Movie lens 1 M | ML 1 M | 6064 | 3900 | 1,000,209 | 94.96 |
Movie lens 10 M | ML 10 M | 71,567 | 10,681 | 10,000,054 | 98.69 |
Netflix | Netflix | 4334 | 3558 | 552,054 | 94.42 |
Eachmovie | Eachmovie | 2000 | 1623 | 137,425 | 95.77 |