| Name | Type | Package | Detail |
| CachingUserSimilarity | Class | impl.similarity | Detail |
| CityBlockSimilarity | Class | impl.similarity | Detail |
| EuclideanDistanceSimilarity | Class | impl.similarity | Detail |
| GenericUserSimilarity | Class | impl.similarity | Detail |
| LogLikelihoodSimilarity | Class | impl.similarity | Detail |
| PearsonCorrelationSimilarity | Class | impl.similarity | Detail |
| SpearmanCorrelationSimilarity | Class | impl.similarity | Detail |
| TanimotoCoefficientSimilarity | Class | impl.similarity | Detail |
| UncenteredCosineSimilarity | Class | impl.similarity | Detail |
