activity
20122026
most citedConversational Contextual Bandit: Algorithm and Application

5 citations · 16 across the 15 of their papers we have counts for

collaborators

15 papers

eess.SY2026

Risk-Aware Safe Throughput Forecasting for Starlink Networks

Hongjun Xie, Chao Zhang, Pengcheng Luo +4

As a representative low Earth orbit (LEO) broadband system, Starlink exhibits highly variable access throughput, making short-term forecasting essential for network resource manage…

cs.LG2023

Uncertainty-Aware Instance Reweighting for Off-Policy Learning

Xiaoying Zhang, Junpu Chen, Hongning Wang +4

Off-policy learning, referring to the procedure of policy optimization with access only to logged feedback data, has shown importance in various real-world applications, such as se…

cs.AI2023

Interactive Log Parsing via Light-weight User Feedback

Liming Wang, Hong Xie, Ye Li +2

Template mining is one of the foundational tasks to support log analysis, which supports the diagnosis and troubleshooting of large scale Web applications. This paper develops a hu…

cs.LG2022★ 1 cited

Multiple-Play Stochastic Bandits with Shareable Finite-Capacity Arms

Xuchuang Wang, Hong Xie, John C. S. Lui

We generalize the multiple-play multi-armed bandits (MP-MAB) problem with a shareable arm setting, in which several plays can share the same arm. Furthermore, each shareable arm ha…

cs.LG2022

LPC-AD: Fast and Accurate Multivariate Time Series Anomaly Detection via Latent Predictive Coding

Zhi Qi, Hong Xie, Ye Li +3

This paper proposes LPC-AD, a fast and accurate multivariate time series (MTS) anomaly detection method. LPC-AD is motivated by the ever-increasing needs for fast and accurate MTS…

cs.LG2022

Multi-Player Multi-Armed Bandits with Finite Shareable Resources Arms: Learning Algorithms & Applications

Xuchuang Wang, Hong Xie, John C. S. Lui

Multi-player multi-armed bandits (MMAB) study how decentralized players cooperatively play the same multi-armed bandit so as to maximize their total cumulative rewards. Existing MM…

cs.SI2021

Pricing Social Visibility Service in Online Social Networks: Modeling and Algorithms

Shiyuan Zheng, Hong Xie, John C. S. Lui

Online social networks (OSNs) such as YoutTube, Instagram, Twitter, Facebook, etc., serve as important platforms for users to share their information or content to friends or follo…

cs.LG2020★ 4 cited

Combining Offline Causal Inference and Online Bandit Learning for Data Driven Decision

Li Ye, Yishi Lin, Hong Xie +1

A fundamental question for companies with large amount of logged data is: How to use such logged data together with incoming streaming data to make good decisions? Many companies c…

cs.LG2019★ 5 cited

Conversational Contextual Bandit: Algorithm and Application

Xiaoying Zhang, Hong Xie, Hang Li +1

Contextual bandit algorithms provide principled online learning solutions to balance the exploitation-exploration trade-off in various applications such as recommender systems. How…

cs.AI2019★ 1 cited

Enhancing Semantic Word Representations by Embedding Deeper Word Relationships

Anupiya Nugaliyadde, Kok Wai Wong, Ferdous Sohel +1

Word representations are created using analogy context-based statistics and lexical relations on words. Word representations are inputs for the learning models in Natural Language…

cs.NI2018★ 2 cited

Quantifying Deployability & Evolvability of Future Internet Architectures via Economic Models

Li Ye, Hong Xie, John C. S. Lui +1

Emerging new applications demand the current Internet to provide new functionalities. Although many future Internet architectures and protocols have been proposed to fulfill such n…

cs.SI2016★ 1 cited

Measuring and Maximizing Influence via Random Walk in Social Activity Networks

Pengpeng Zhao, Yongkun Li, Hong Xie +3

With the popularity of OSNs, finding a set of most influential users (or nodes) so as to trigger the largest influence cascade is of significance. For example, companies may take a…

cs.MA2015★ 1 cited

Mathematical Modeling of Insurance Mechanisms for E-commerce Systems

Hong Xie, John C. S. Lui

Electronic commerce (a.k.a. E-commerce) systems such as eBay and Taobao of Alibaba are becoming increasingly popular. Having an effective reputation system is critical to this type…

cs.IR2013★ 1 cited

Mathematical Modeling of Product Rating: Sufficiency, Misbehavior and Aggregation Rules

Hong Xie, John C. S. Lui

Many web services like eBay, Tripadvisor, Epinions, etc, provide historical product ratings so that users can evaluate the quality of products. Product ratings are important since…

cs.IR2012

Mathematical Modeling of Competitive Group Recommendation Systems with Application to Peer Review Systems

Hong Xie, John C. S. Lui

In this paper, we present a mathematical model to capture various factors which may influence the accuracy of a competitive group recommendation system. We apply this model to peer…