Research Article
A Probabilistic Recommendation Method Inspired by Latent Dirichlet Allocation Model
Table 1
The basic statistical features of the three data sets.
| | Data set | Users | Items | Links | Sparsity |
| | MovieLens | 6,040 | 3,952 | 1,000,209 | 4.19 × 10−2 | | Netflix | 10,000 | 6,000 | 701,947 | 1.17 × 10−2 | | Last.fm | 1,882 | 17,632 | 186,480 | 5.62 × 10−3 |
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