Uncertainty in Artificial Intelligence
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Approximating Higher-Order Distances Using Random Projections
Ping Li, Michael Mahoney, Yiyuan She
We provide a simple method and relevant theoretical analysis for efficiently estimating higher-order lp distances. While the analysis mainly focuses on l4, our methodology extends naturally to p = 6,8,10..., (i.e., when p is even). Distance-based methods are popular in machine learning. In large-scale applications, storing, computing, and retrieving the distances can be both space and time prohibitive. Efficient algorithms exist for estimating lp distances if 0 < p <= 2. The task for p > 2 is known to be difficult. Our work partially fills this gap.
Pages: 312-321
PS Link:
PDF Link: /papers/10/p312-li.pdf
AUTHOR = "Ping Li and Michael Mahoney and Yiyuan She",
TITLE = "Approximating Higher-Order Distances Using Random Projections",
BOOKTITLE = "Proceedings of the Twenty-Sixth Conference Annual Conference on Uncertainty in Artificial Intelligence (UAI-10)",
ADDRESS = "Corvallis, Oregon",
YEAR = "2010",
PAGES = "312--321"

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