Item-CF 实验报告¶
本次运行做了什么¶
- 从 MovieLens 32M 读取：全量数据。
- 将评分大于等于 4.0 的记录当作正反馈。
- 使用 sklearn 的近邻模型计算电影之间的余弦相似度。
指标¶
precision@10：0.0000recall@10：0.0000
推荐样例¶
| title | genres | score |
|---|---|---|
| You Killed Me First (1985) | Drama | 13.8645 |
| Strip-tease (1963) | Drama | 13.6366 |
| Failure (2013) | Comedy | 13.2233 |
| A Boring Story (1983) | (no genres listed) | 8.08139 |
| Dialogues with Solzhenitsyn (Uzel) (1999) | Documentary | 7.68901 |
| The Third Annual 'On Cinema' Oscar Special (2015) | Comedy | 6.81117 |
| Life of Her Own, A (1950) | Drama | 6.36396 |
| Fatty Drives the Bus (1999) | Comedy | 6.36396 |
| Lost on Journey (2010) | Comedy | 6.24919 |
| Special 26 (2013) | Crime | Drama |