SVD++, an enhancement of classical matrix factorization for rating prediction.
Additionally to using ratings (how did people rate?) for learning, this model also takes into account
who rated what.
Yehuda Koren: Factorization Meets the Neighborhood: a Multifaceted Collaborative Filtering Model, KDD 2008.
http://research.yahoo.com/files/kdd08koren.pdf
Inheritance Hierarchy
NReco.CF.Taste.Impl.Recommender.SVD AbstractFactorizer
NReco.CF.Taste.Impl.Recommender.SVD RatingSGDFactorizer
NReco.CF.Taste.Impl.Recommender.SVD SVDPlusPlusFactorizer
Namespace: NReco.CF.Taste.Impl.Recommender.SVD
Assembly: NReco.Recommender (in NReco.Recommender.dll) Version: 1.0.0.0 (1.0.0.0)
Syntax
The SVDPlusPlusFactorizer type exposes the following members.
Constructors
| Name | Description | |
|---|---|---|
 | SVDPlusPlusFactorizer(IDataModel, Int32, Int32) | Initializes a new instance of the SVDPlusPlusFactorizer class |
| SVDPlusPlusFactorizer(IDataModel, Int32, Double, Double, Double, Int32, Double) | Initializes a new instance of the SVDPlusPlusFactorizer class |
Methods
| Name | Description | |
|---|---|---|
| Equals | (Inherited from Object.) |
| Factorize | (Overrides RatingSGDFactorizer Factorize .) |
| GetHashCode | Serves as a hash function for a particular type. (Inherited from Object.) |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| Refresh | (Inherited from AbstractFactorizer.) |
| ToString | Returns a string that represents the current object. (Inherited from Object.) |
See Also