RowSimilarityJob should not produce SequentialAccessSparseVectors
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Key: MAHOUT-456
URL: https://issues.apache.org/jira/browse/MAHOUT-456
Project: Mahout
Issue Type: Improvement
Components: Math
Reporter: Sebastian Schelter
RowSimilarityJob currently produces SequentialAccessSparseVectors with
cardinality Integer.MAX_VALUE wrapped inside VectorWritables.
It should better produce RandomAccessSparseVectors as some methods like
assign(Vector) are very slow on such SequentialAccessSparseVectors.
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