Review Article
A Survey of Collaborative Filtering Techniques
Table 1
An example of a user-item matrix.
| (a) |
| | Alice: (like) Shrek, Snow White, (dislike) Superman | | Bob: (like) Snow White, Superman, (dislike) spiderman | | Chris: (like) spiderman, (dislike) Snow white | | Tony: (like) Shrek, (dislike) Spiderman |
|
|
| (b) |
| | Shrek | Snow White | Spider-man | Super-man |
| | Alice | Like | Like | | Dislike | | Bob | | Like | Dislike | Like | | Chris | | Dislike | Like | | | Tony | Like | | Dislike | ? |
|
|
