Research Article
[Retracted] Using Factor Decomposition Machine Learning Method to Music Recommendation
Table 2
Comparison of explicit and implicit feedback.
| Characteristics | Explicit feedback | Implicit feedback |
| Size | Smaller | Big | User preferences | Obvious | Obvious | Data acquisition | Database | System | Analysis of the difficulty | Easy | Difficult | Positive feedback and negative feedback | Have | Mostly just positive feedback | Amount | Small | Relatively large |
|
|