Find the k nearest neighbours in catalogMatrix for each entry in queryMatrix.
Find the k nearest neighbours in catalogMatrix for each entry in queryMatrix. Implementations may be either exact or approximate.
a row oriented matrix. Each row in the matrix represents an item in the data set. Items are identified by their matrix index.
a row oriented matrix. Each row in the matrix represents an item in the data set. Items are identified by their matrix index.
a similarity matrix with MatrixEntry(queryA, catalogB, similarity).