| Exception Thrown By: | Cause | |
| Class | Method | |
| CityBlockSimilarity | if either user is known to be non existent in the data. | |
| CachingUserSimilarity | if either user is known to be non existent in the data. | |
| EuclideanDistanceSimilarity | if either user is known to be non existent in the data. | |
| PlusAnonymousConcurrentUserDataModel | public PreferenceArray getPreferencesFromUser(long userID) | if the user does not exist. |
| PlusAnonymousConcurrentUserDataModel | public FastIDSet getItemIDsFromUser(long userID) | if the user does not exist. |
| PlusAnonymousConcurrentUserDataModel | if the user does not exist. | |
| PlusAnonymousConcurrentUserDataModel | if the user does not exist. | |
| GenericBooleanPrefDataModel | public PreferenceArray getPreferencesFromUser(long userID) | if there is no such user. |
| GenericBooleanPrefDataModel | public FastIDSet getItemIDsFromUser(long userID) | if the user does not exist. |
| GenericBooleanPrefDataModel | if the user does not exist. | |
| GenericBooleanPrefDataModel | if the user does not exist. | |
| PlusAnonymousUserDataModel | public PreferenceArray getPreferencesFromUser(long userID) | if the user does not exist. |
| PlusAnonymousUserDataModel | public FastIDSet getItemIDsFromUser(long userID) | if the user does not exist. |
| PlusAnonymousUserDataModel | if the user does not exist. | |
| PlusAnonymousUserDataModel | if the user does not exist. | |
| LogLikelihoodSimilarity | if either user is known to be non existent in the data. | |
| TanimotoCoefficientSimilarity | if either user is known to be non existent in the data. | |
| SpearmanCorrelationSimilarity | if either user is known to be non existent in the data. | |
| GenericDataModel | public PreferenceArray getPreferencesFromUser(long userID) | if there is no such user. |
| GenericDataModel | public FastIDSet getItemIDsFromUser(long userID) | if the user does not exist. |
| GenericDataModel | if the user does not exist. | |
| GenericDataModel | if the user does not exist. | |
| PearsonCorrelationSimilarity | if either user is known to be non existent in the data. | |
| FileDataModel | public PreferenceArray getPreferencesFromUser(long userID) | if the user does not exist. |
| FileDataModel | public FastIDSet getItemIDsFromUser(long userID) | if the user does not exist. |
| FileDataModel | if the user does not exist. | |
| FileDataModel | if the user does not exist. | |
| UncenteredCosineSimilarity | if either user is known to be non existent in the data. | |
