Abstratct:描述了當(dāng)前協(xié)同過濾算法兩大技術(shù)alternating least square(ALS,最小二乘法)和gradient descent(GD)的確定：原文：Existing collaborative filtering techniques are implemented with either alternating least square algorithm or gradient descent (GD) algorithm. However,both of the two algorithms are not scalable because ALS suffers from high computation complexity and GD suffers from severe synchronization problem and tremendous data movement.

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轉(zhuǎn)載于:https://www.cnblogs.com/hotMemo/p/9854308.html

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