com.soundcloud.lsh

QueryJoiner

trait QueryJoiner extends AnyRef

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QueryHamming, QueryLsh, QueryNearestNeighbours
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  1. abstract def join(queryMatrix: IndexedRowMatrix, catalogMatrix: IndexedRowMatrix): CoordinateMatrix

    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.

    queryMatrix

    a row oriented matrix. Each row in the matrix represents an item in the data set. Items are identified by their matrix index.

    catalogMatrix

    a row oriented matrix. Each row in the matrix represents an item in the data set. Items are identified by their matrix index.

    returns

    a similarity matrix with MatrixEntry(queryA, catalogB, similarity).

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