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Multi-scale Deep Neural Network (MscaleDNN) for Solving Poisson-Boltzmann Equation in Complex Domains

Jul 22, 2020
Ziqi Liu, Wei Cai, Zhi-Qin John Xu


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Bandit Samplers for Training Graph Neural Networks

Jun 11, 2020
Ziqi Liu, Zhengwei Wu, Zhiqiang Zhang, Jun Zhou, Shuang Yang, Le Song, Yuan Qi


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Privacy-Preserving Graph Neural Network for Node Classification

May 25, 2020
Jun Zhou, Chaochao Chen, Longfei Zheng, Xiaolin Zheng, Bingzhe Wu, Ziqi Liu, Li Wang


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InfDetect: a Large Scale Graph-based Fraud Detection System for E-Commerce Insurance

Mar 12, 2020
Cen Chen, Chen Liang, Jianbin Lin, Li Wang, Ziqi Liu, Xinxing Yang, Xiukun Wang, Jun Zhou, Yang Shuang, Yuan Qi


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Privacy Preserving Point-of-interest Recommendation Using Decentralized Matrix Factorization

Mar 12, 2020
Chaochao Chen, Ziqi Liu, Peilin Zhao, Jun Zhou, Xiaolong Li

* Accepted by AAAI'18 

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DSSLP: A Distributed Framework for Semi-supervised Link Prediction

Mar 10, 2020
Dalong Zhang, Xianzheng Song, Ziqi Liu, Zhiqiang Zhang, Xin Huang, Lin Wang, Jun Zhou


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Robotic Cane as a Soft SuperLimb for Elderly Sit-to-Stand Assistance

Feb 29, 2020
Xia Wu, Haiyuan Liu, Ziqi Liu, Mingdong Chen, Fang Wan, Chenglong Fu, Harry Asada, Zheng Wang, Chaoyang Song

* 8 pages, 9 figures, accepted for IEEE RoboSoft 2020 

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Graph Representation Learning for Merchant Incentive Optimization in Mobile Payment Marketing

Feb 27, 2020
Ziqi Liu, Dong Wang, Qianyu Yu, Zhiqiang Zhang, Yue Shen, Jian Ma, Wenliang Zhong, Jinjie Gu, Jun Zhou, Shuang Yang, Yuan Qi


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Heterogeneous Graph Neural Networks for Malicious Account Detection

Feb 27, 2020
Ziqi Liu, Chaochao Chen, Xinxing Yang, Jun Zhou, Xiaolong Li, Le Song


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Uncovering Insurance Fraud Conspiracy with Network Learning

Feb 27, 2020
Chen Liang, Ziqi Liu, Bin Liu, Jun Zhou, Xiaolong Li, Shuang Yang, Yuan Qi

* Accepted by SIGIR '19. Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval. 2019 

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How Much Can A Retailer Sell? Sales Forecasting on Tmall

Feb 27, 2020
Chaochao Chen, Ziqi Liu, Jun Zhou, Xiaolong Li, Yuan Qi, Yujing Jiao, Xingyu Zhong

* Accepted by PAKDD'19 

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A Time Attention based Fraud Transaction Detection Framework

Dec 26, 2019
Longfei Li, Ziqi Liu, Chaochao Chen, Ya-Lin Zhang, Jun Zhou, Xiaolong Li


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GeniePath: Graph Neural Networks with Adaptive Receptive Paths

Nov 05, 2018
Ziqi Liu, Chaochao Chen, Longfei Li, Jun Zhou, Xiaolong Li, Le Song, Yuan Qi


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Model-Protected Multi-Task Learning

Sep 19, 2018
Jian Liang, Ziqi Liu, Jiayu Zhou, Xiaoqian Jiang, Changshui Zhang, Fei Wang

* Supplemental materials are attached at the end of the main paper 

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Distributed Collaborative Hashing and Its Applications in Ant Financial

May 31, 2018
Chaochao Chen, Ziqi Liu, Peilin Zhao, Longfei Li, Jun Zhou, Xiaolong Li

* 10 pages 

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Distributed Deep Forest and its Application to Automatic Detection of Cash-out Fraud

May 27, 2018
Ya-Lin Zhang, Jun Zhou, Wenhao Zheng, Ji Feng, Longfei Li, Ziqi Liu, Ming Li, Zhiqiang Zhang, Chaochao Chen, Xiaolong Li, Zhi-Hua Zhou


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Feature Propagation on Graph: A New Perspective to Graph Representation Learning

Apr 17, 2018
Biao Xiang, Ziqi Liu, Jun Zhou, Xiaolong Li


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Attributing Hacks

Aug 14, 2017
Ziqi Liu, Alexander J. Smola, Kyle Soska, Yu-Xiang Wang, Qinghua Zheng, Jun Zhou

* Appeared at AISTATS'17. Full version under review at the Electronic Journal of Statistics 

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Fast Differentially Private Matrix Factorization

May 07, 2015
Ziqi Liu, Yu-Xiang Wang, Alexander J. Smola


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