Wednesday, July 3, 2013

1307.0471 (Patrick Rebentrost et al.)

Quantum support vector machine for big feature and big data

Patrick Rebentrost, Masoud Mohseni, Seth Lloyd
Supervised machine learning is the classification of new data based on already classified training examples. In this work, we show that the support vector machine, an optimized linear and non-linear binary classifier, can be implemented on a quantum computer, with exponential speedups in the size of the vectors and the number of training data examples. At the core of the algorithm is a non-sparse matrix simulation technique to efficiently perform a principal component analysis and matrix inversion of the training data kernel matrix. We thus provide an example of a quantum big feature and big data algorithm and pave the way for future developments at the intersection of quantum computing and machine learning.
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