public double Calculate(int itemA, int itemB)
{
double theta = 0.9d;
IItemSimilarity collaborateSimilarity = new ItemCollaborativeSimilarity();
IItemSimilarity genreSimilarity = new ItemGenreSimilarity();
return(theta * collaborateSimilarity.Calculate(itemA, itemB) + (1 - theta) * genreSimilarity.Calculate(itemA, itemB));
}
public double Calculate(int itemA, int itemB)
{
double theta = 0.9d;
IItemSimilarity collaborateSimilarity = new ItemCollaborativeSimilarity();
IItemSimilarity genreSimilarity = new ItemGenreSimilarity();
return theta * collaborateSimilarity.Calculate(itemA, itemB) + (1 - theta) * genreSimilarity.Calculate(itemA, itemB);
}