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Aug, 2015
学习行列式点过程的定点算法
Fixed-point algorithms for determinantal point processes
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Zelda Mariet, Suvrit Sra
TL;DR
本文提出了一种新的算法来学习DPP kernel,其效果比以前的方法都要好,而且速度更快,实验表明该方法可以在实际数据和模拟数据上取得很好的数值表现。
Abstract
determinantal point processes
(DPPs) offer an elegant tool for encoding probabilities over subsets of a ground set. Discrete DPPs are parametrized by a positive semidefinite matrix (called the
dpp kernel
), and es
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