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Python framework for fast (approximated) nearest neighbour search in large, high-dimensional data sets using different locality-sensitive hashes.
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=========== NearPy =========== NearPy is a Python framework for fast (approximated) nearest neighbour search in high dimensional vector spaces using different locality-sensitive hashing methods. It allows to experiment and to evaluate new methods but is also production-ready. It comes with a redis storage adapter. To install simply do *pip install NearPy*. It will also install the packages scipy, numpy and redis. Example usage: from nearpy import Engine from nearpy.hashes import RandomBinaryProjections # Dimension of our vector space dimension = 500 # Create a random binary hash with 10 bits rbp = RandomBinaryProjections('rbp', 10) # Create engine with pipeline configuration engine = Engine(dimension, lshashes=[rbp]) # Index 1000000 random vectors (set their data to a unique string) for index in range(100000): v = numpy.random.randn(dimension) engine.store_vector(v, 'data_%d' % index) # Create random query vector query = numpy.random.randn(dimension) # Get nearest neighbours N = engine.neighbours(query) Read more here: http://nearpy.io
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Python framework for fast (approximated) nearest neighbour search in large, high-dimensional data sets using different locality-sensitive hashes.
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