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20172021
most citedUncovering Insurance Fraud Conspiracy with Network Learning

49 citations · 198 across the 22 of their papers we have counts for

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Showing 2020Show all

11 papers · 1 filter

cs.CL2020

Interactive Question Clarification in Dialogue via Reinforcement Learning

Xiang Hu, Zujie Wen, Yafang Wang +2

Coping with ambiguous questions has been a perennial problem in real-world dialogue systems. Although clarification by asking questions is a common form of human interaction, it is…

cs.CL2020★ 5 cited

LRC-BERT: Latent-representation Contrastive Knowledge Distillation for Natural Language Understanding

Hao Fu, Shaojun Zhou, Qihong Yang +4

The pre-training models such as BERT have achieved great results in various natural language processing problems. However, a large number of parameters need significant amounts of…

cs.IR2020★ 1 cited

RNE: A Scalable Network Embedding for Billion-scale Recommendation

Jianbin Lin, Daixin Wang, Lu Guan +5

Nowadays designing a real recommendation system has been a critical problem for both academic and industry. However, due to the huge number of users and items, the diversity and dy…

cs.LG2020★ 2 cited

Unpack Local Model Interpretation for GBDT

Wenjing Fang, Jun Zhou, Xiaolong Li +1

A gradient boosting decision tree (GBDT), which aggregates a collection of single weak learners (i.e. decision trees), is widely used for data mining tasks. Because GBDT inherits t…

cs.LG2020★ 3 cited

NetDP: An Industrial-Scale Distributed Network Representation Framework for Default Prediction in Ant Credit Pay

Jianbin Lin, Zhiqiang Zhang, Jun Zhou +5

Ant Credit Pay is a consumer credit service in Ant Financial Service Group. Similar to credit card, loan default is one of the major risks of this credit product. Hence, effective…

cs.CL2020★ 14 cited

Local Contextual Attention with Hierarchical Structure for Dialogue Act Recognition

Zhigang Dai, Jinhua Fu, Qile Zhu +3

Dialogue act recognition is a fundamental task for an intelligent dialogue system. Previous work models the whole dialog to predict dialog acts, which may bring the noise from unre…

cs.LG2020★ 1 cited

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.CV2020

Long Short-Term Sample Distillation

Liang Jiang, Zujie Wen, Zhongping Liang +7

In the past decade, there has been substantial progress at training increasingly deep neural networks. Recent advances within the teacher--student training paradigm have establishe…

cs.CR2020★ 49 cited

Uncovering Insurance Fraud Conspiracy with Network Learning

Chen Liang, Ziqi Liu, Bin Liu +4

Fraudulent claim detection is one of the greatest challenges the insurance industry faces. Alibaba's return-freight insurance, providing return-shipping postage compensations over…

cs.LG2020★ 6 cited

Heterogeneous Graph Neural Networks for Malicious Account Detection

Ziqi Liu, Chaochao Chen, Xinxing Yang +3

We present, GEM, the first heterogeneous graph neural network approach for detecting malicious accounts at Alipay, one of the world's leading mobile cashless payment platform. Our…

cs.LG2020

How Much Can A Retailer Sell? Sales Forecasting on Tmall

Chaochao Chen, Ziqi Liu, Jun Zhou +4

Time-series forecasting is an important task in both academic and industry, which can be applied to solve many real forecasting problems like stock, water-supply, and sales predict…