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Electronic Colloquium on Computational Complexity

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REPORTS > KEYWORD > QUANTUM MACHINE LEARNING:
Reports tagged with quantum machine learning:
TR18-128 | 11th July 2018
Ewin Tang

A quantum-inspired classical algorithm for recommendation systems

A recommendation system suggests products to users based on data about user preferences. It is typically modeled by a problem of completing an $m\times n$ matrix of small rank $k$. We give the first classical algorithm to produce a recommendation in $O(\text{poly}(k)\text{polylog}(m,n))$ time, which is an exponential improvement on previous ... more >>>




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