Search Results for author: Xuejian Wang

Found 3 papers, 2 papers with code

Combining Machine Learning Models using combo Library

1 code implementation21 Sep 2019 Yue Zhao, Xuejian Wang, Cheng Cheng, Xueying Ding

Model combination, often regarded as a key sub-field of ensemble learning, has been widely used in both academic research and industry applications.

Anomaly Detection BIG-bench Machine Learning +2

Continual Rare-Class Recognition with Emerging Novel Subclasses

1 code implementation28 Jun 2019 Hung Nguyen, Xuejian Wang, Leman Akoglu

We introduce RaRecognize, which (i) estimates a general decision boundary between the rare and the majority class, (ii) learns to recognize individual rare subclasses that exist within the training data, as well as (iii) flags instances from previously unseen rare subclasses as newly emerging.

Large-scale Interactive Recommendation with Tree-structured Policy Gradient

no code implementations14 Nov 2018 Haokun Chen, Xinyi Dai, Han Cai, Wei-Nan Zhang, Xuejian Wang, Ruiming Tang, Yuzhou Zhang, Yong Yu

Reinforcement learning (RL) has recently been introduced to interactive recommender systems (IRS) because of its nature of learning from dynamic interactions and planning for long-run performance.

Clustering Recommendation Systems +1

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