Mathematical Problems in Engineering / 2014 / Article / Tab 1

Research Article

A Probabilistic Recommendation Method Inspired by Latent Dirichlet Allocation Model

Table 1

The basic statistical features of the three data sets.

Data setUsersItemsLinksSparsity

MovieLens6,0403,9521,000,2094.19 × 10−2
Netflix10,0006,000701,9471.17 × 10−2
Last.fm1,88217,632186,4805.62 × 10−3