BriefGPT.xyz
Aug, 2014
通过子空间聚类识别用户评分
Guess Who Rated This Movie: Identifying Users Through Subspace Clustering
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Amy Zhang, Nadia Fawaz, Stratis Ioannidis, Andrea Montanari
TL;DR
基于用户提供的评级，开发了一种基于线性子空间联合的复合账户模型，并使用子空间聚类来识别共享账户及其不同用户。通过该模型，可以在一定程度上提高个性化推荐，并引发隐私问题。
Abstract
It is often the case that, within an
online recommender system
, multiple users share a common account. Can such
shared accounts
be identified solely on the basis of the userprovided ratings? Once a shared account
→