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CollabStream implements parallelized online matrix factorization using stochastic gradient descent for streaming data. It uses the Storm parallelization framework developed by Nathan Marz https://github.com/nathanmarz/storm . CollabStream was developed by Christopher Johnson, Alex Tang, and Muqeet Ali as a final project for CS391D Data Mining at The University of Texas at Austin. To learn more about CollabStream and how to use it please visit the following pages below.