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Tensor trace norm and inference systems and recommender systems using same
Tensor trace norm and inference systems and recommender systems using same
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机译:张量跟踪规范和推断系统以及使用该系统的推荐系统
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摘要
A convex regularized loss function is minimized respective to a prediction tensor of order K to generate an optimized prediction tensor of order K where K2. The convex regularized loss function comprises a linear combination of (i) a loss function comparing the prediction tensor and an observation tensor of order K representing a set of observations and (ii) a regularization parameter including a K-th order matrix norm decomposition of the tensor trace norm of the prediction tensor. In some such embodiments, the observation tensor of order K represents a set of social network observations and includes at least dimensions corresponding to (1) users, (2) items, and (3) tags. The optimized prediction tensor of order K is suitably used to perform inference operations.
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