Search Results for author: Zhen Wen

Found 11 papers, 2 papers with code

Design Principles of Robust Multi-Armed Bandit Framework in Video Recommendations

no code implementations24 Sep 2023 Belhassen Bayar, Phanideep Gampa, Ainur Yessenalina, Zhen Wen

Current multi-armed bandit approaches in recommender systems (RS) have focused more on devising effective exploration techniques, while not adequately addressing common exploitation challenges related to distributional changes and item cannibalization.

Fairness Recommendation Systems

CA-SSL: Class-Agnostic Semi-Supervised Learning for Detection and Segmentation

1 code implementation9 Dec 2021 Lu Qi, Jason Kuen, Zhe Lin, Jiuxiang Gu, Fengyun Rao, Dian Li, Weidong Guo, Zhen Wen, Ming-Hsuan Yang, Jiaya Jia

To improve instance-level detection/segmentation performance, existing self-supervised and semi-supervised methods extract either task-unrelated or task-specific training signals from unlabeled data.

object-detection Object Detection +2

TAG: Toward Accurate Social Media Content Tagging with a Concept Graph

no code implementations13 Oct 2021 Jiuding Yang, Weidong Guo, Bang Liu, Yakun Yu, Chaoyue Wang, Jinwen Luo, Linglong Kong, Di Niu, Zhen Wen

Although conceptualization has been widely studied in semantics and knowledge representation, it is still challenging to find the most accurate concept phrases to characterize the main idea of a text snippet on the fast-growing social media.

Dependency Parsing Graph Matching +4

GIANT: Scalable Creation of a Web-scale Ontology

1 code implementation5 Apr 2020 Bang Liu, Weidong Guo, Di Niu, Jinwen Luo, Chaoyue Wang, Zhen Wen, Yu Xu

These services will benefit from a highly structured and web-scale ontology of entities, concepts, events, topics and categories.

News Recommendation

A Survey on Social Media Anomaly Detection

no code implementations6 Jan 2016 Rose Yu, Huida Qiu, Zhen Wen, Ching-Yung Lin, Yan Liu

In this paper, we present a survey on existing approaches to address this problem.

Anomaly Detection

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