activity
20182022
most citedUncovering Insurance Fraud Conspiracy with Network Learning

49 citations · 82 across the 7 of their papers we have counts for

collaborators

17 papers

cs.DS2022

A Practical Distributed ADMM Solver for Billion-Scale Generalized Assignment Problems

Jun Zhou, Feng Qi, Zhigang Hua +5

Assigning items to owners is a common problem found in various real-world applications, for example, audience-channel matching in marketing campaigns, borrower-lender matching in l…

cs.LG20215 cited

MixSeq: Connecting Macroscopic Time Series Forecasting with Microscopic Time Series Data

Zhibo Zhu, Ziqi Liu, Ge Jin +4

Time series forecasting is widely used in business intelligence, e.g., forecast stock market price, sales, and help the analysis of data trend. Most time series of interest are mac…

cs.LG202022 cited

Bandit Samplers for Training Graph Neural Networks

Ziqi Liu, Zhengwei Wu, Zhiqiang Zhang +4

Several sampling algorithms with variance reduction have been proposed for accelerating the training of Graph Convolution Networks (GCNs). However, due to the intractable computati…

cs.SI2020

AGL: a Scalable System for Industrial-purpose Graph Machine Learning

Dalong Zhang, Xin Huang, Ziqi Liu +8

Machine learning over graphs have been emerging as powerful learning tools for graph data. However, it is challenging for industrial communities to leverage the techniques, such as…

cs.LG2020

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

Chaochao Chen, Ziqi Liu, Peilin Zhao +2

Points of interest (POI) recommendation has been drawn much attention recently due to the increasing popularity of location-based networks, e.g., Foursquare and Yelp. Among the exi…

cs.CR2020

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

Cen Chen, Chen Liang, Jianbin Lin +7

The insurance industry has been creating innovative products around the emerging online shopping activities. Such e-commerce insurance is designed to protect buyers from potential…