C# Class MyMediaLite.AttrToFactor.BPRMF_ItemMappingKNN

BPR-MF with item mapping learned by kNN
Literature: Zeno Gantner, Lucas Drumond, Christoph Freudenthaler, Steffen Rendle, Lars Schmidt-Thieme: Learning Attribute-to-Feature Mappings for Cold-Start Recommendations. ICDM 2011. http://www.ismll.uni-hildesheim.de/pub/pdfs/Gantner_et_al2010Mapping.pdf This recommender does NOT support incremental updates.
Inheritance: BPRMF_ItemMapping
Afficher le fichier Open project: zenogantner/MML-KDD

Méthodes publiques

Méthode Description
LearnAttributeToFactorMapping ( ) : void
ToString ( ) : string

Méthodes protégées

Méthode Description
__MapToLatentFactorSpace ( int item_id ) : double[]

map to latent factor space (actual function)

Method Details

LearnAttributeToFactorMapping() public méthode

public LearnAttributeToFactorMapping ( ) : void
Résultat void

ToString() public méthode

public ToString ( ) : string
Résultat string

__MapToLatentFactorSpace() protected méthode

map to latent factor space (actual function)
protected __MapToLatentFactorSpace ( int item_id ) : double[]
item_id int
Résultat double[]