C# Class MyMediaLite.AttrToFactor.BPRMF_ItemMapping_Complex

multi-layer mapping from item attributes to latent factors for BPR-MF

Inheritance: BPRMF_ItemMapping

Show file Open project: zenogantner/MML-KDD

Public Properties

Property	Type	Description
num_hidden_factors	int

Public Methods

Method	Description
IterateMapping ( ) : void
LearnAttributeToFactorMapping ( ) : void
ToString ( ) : string

Protected Methods

Method	Description
MapToLatentFactorSpace ( int item_id ) : double[]	map to latent factor space (actual function)
UpdateMappingFactors ( int u, int i, int j ) : void	update the mapping factors for a given user and an item pair

Method Details

IterateMapping() public method

public IterateMapping ( ) : void
return	void

LearnAttributeToFactorMapping() public method

public LearnAttributeToFactorMapping ( ) : void
return	void

MapToLatentFactorSpace() protected method

map to latent factor space (actual function)

protected MapToLatentFactorSpace ( int item_id ) : double[]
item_id	int
return	double[]

ToString() public method

public ToString ( ) : string
return	string

UpdateMappingFactors() protected method

update the mapping factors for a given user and an item pair

protected UpdateMappingFactors ( int u, int i, int j ) : void
u	int	the user ID
i	int	the first item ID
j	int	the second item ID
return	void

Property Details

num_hidden_factors public property

size of the hidden layer

public int num_hidden_factors
return	int