Search Results for author: Stephen Chu

Found 4 papers, 1 papers with code

Mixture-Rank Matrix Approximation for Collaborative Filtering

1 code implementation NeurIPS 2017 Dongsheng Li, Chao Chen, Wei Liu, Tun Lu, Ning Gu, Stephen Chu

However, our studies show that submatrices with different ranks could coexist in the same user-item rating matrix, so that approximations with fixed ranks cannot perfectly describe the internal structures of the rating matrix, therefore leading to inferior recommendation accuracy.

Collaborative Filtering

A constrained clustering based approach for matching a collection of feature sets

no code implementations12 Jun 2016 Junchi Yan, Zhe Ren, Hongyuan Zha, Stephen Chu

In this paper, we consider the problem of finding the feature correspondences among a collection of feature sets, by using their point-wise unary features.

Attribute Constrained Clustering +1

A General Multi-Graph Matching Approach via Graduated Consistency-regularized Boosting

no code implementations20 Feb 2015 Junchi Yan, Minsu Cho, Hongyuan Zha, Xiaokang Yang, Stephen Chu

We propose multi-graph matching methods to incorporate the two aspects by boosting the affinity score, meanwhile gradually infusing the consistency as a regularizer.

Graph Matching

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