Search Results for author: Wenjie Hu

Found 11 papers, 4 papers with code

Adaptive Model Predictive Control for Engine-Driven Ducted Fan Lift Systems using an Associated Linear Parameter Varying Model

no code implementations22 Sep 2023 Hanjie Jiang, Ye Zhou, Hann Woei Ho, Wenjie Hu

Based on the trained RBF model, the proposed AMPC approach constructs an associated network that directly outputs the LPV model parameters as an adaptive, robust, and efficient prediction model.

Model Predictive Control

Breaking the Curse of Quality Saturation with User-Centric Ranking

no code implementations24 May 2023 Zhuokai Zhao, Yang Yang, Wenyu Wang, Chihuang Liu, Yu Shi, Wenjie Hu, Haotian Zhang, Shuang Yang

A key puzzle in search, ads, and recommendation is that the ranking model can only utilize a small portion of the vastly available user interaction data.

Students' Voices on Generative AI: Perceptions, Benefits, and Challenges in Higher Education

no code implementations29 Apr 2023 Cecilia Ka Yuk Chan, Wenjie Hu

This study explores university students' perceptions of generative AI (GenAI) technologies, such as ChatGPT, in higher education, focusing on familiarity, their willingness to engage, potential benefits and challenges, and effective integration.

A Semi-Synthetic Dataset Generation Framework for Causal Inference in Recommender Systems

1 code implementation23 Feb 2022 Yan Lyu, Sunhao Dai, Peng Wu, Quanyu Dai, yuhao deng, Wenjie Hu, Zhenhua Dong, Jun Xu, Shengyu Zhu, Xiao-Hua Zhou

To better support the studies of causal inference and further explanations in recommender systems, we propose a novel semi-synthetic data generation framework for recommender systems where causal graphical models with missingness are employed to describe the causal mechanism of practical recommendation scenarios.

Causal Inference Descriptive +2

On the Opportunity of Causal Learning in Recommendation Systems: Foundation, Estimation, Prediction and Challenges

no code implementations18 Jan 2022 Peng Wu, Haoxuan Li, yuhao deng, Wenjie Hu, Quanyu Dai, Zhenhua Dong, Jie Sun, Rui Zhang, Xiao-Hua Zhou

Recently, recommender system (RS) based on causal inference has gained much attention in the industrial community, as well as the states of the art performance in many prediction and debiasing tasks.

Causal Inference Recommendation Systems

Time2Graph: Revisiting Time Series Modeling with Dynamic Shapelets

1 code implementation11 Nov 2019 Ziqiang Cheng, Yang Yang, Wei Wang, Wenjie Hu, Yueting Zhuang, Guojie Song

Time series modeling has attracted extensive research efforts; however, achieving both reliable efficiency and interpretability from a unified model still remains a challenging problem.

Graph Embedding Time Series +1

Time-Series Event Prediction with Evolutionary State Graph

3 code implementations10 May 2019 Wenjie Hu, Yang Yang, Ziqiang Cheng, Carl Yang, Xiang Ren

In this paper, we present evolutionary state graph, a dynamic graph structure designed to systematically represent the evolving relations (edges) among states (nodes) along time.

Time Series Time Series Classification +1

Representation Learning for Scale-free Networks

no code implementations29 Nov 2017 Rui Feng, Yang Yang, Wenjie Hu, Fei Wu, Yueting Zhuang

Existing network embedding works primarily focus on preserving the microscopic structure, such as the first- and second-order proximity of vertexes, while the macroscopic scale-free property is largely ignored.

Link Prediction Network Embedding

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