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Xi Liu
Publication Activity (10 Years)
Years Active: 2015-2023
Publications (10 Years): 38
Top Topics
Transportation Systems
Reinforcement Learning
Maximum Likelihood Estimation
Mobile Games
Top Venues
CoRR
IEEE BigData
ICDM
ICML
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Publications
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Wei Hung
,
Bo-Kai Huang
,
Ping-Chun Hsieh
,
Xi Liu
Q-Pensieve: Boosting Sample Efficiency of Multi-Objective RL Through Memory Sharing of Q-Snapshots.
ICLR
(2023)
Hsin-En Su
,
Yen-Ju Chen
,
Ping-Chun Hsieh
,
Xi Liu
Coordinate Ascent for Off-Policy RL with Global Convergence Guarantees.
AISTATS
(2023)
Wei Hung
,
Bo-Kai Huang
,
Ping-Chun Hsieh
,
Xi Liu
Q-Pensieve: Boosting Sample Efficiency of Multi-Objective RL Through Memory Sharing of Q-Snapshots.
CoRR
(2022)
Tao Liu
,
P. R. Kumar
,
Ruida Zhou
,
Xi Liu
Learning from Few Samples: Transformation-Invariant SVMs with Composition and Locality at Multiple Scales.
NeurIPS
(2022)
Hsin-En Su
,
Yen-Ju Chen
,
Ping-Chun Hsieh
,
Xi Liu
Coordinate Ascent for Off-Policy RL with Global Convergence Guarantees.
CoRR
(2022)
Bing-Jing Hsieh
,
Ping-Chun Hsieh
,
Xi Liu
Reinforced Few-Shot Acquisition Function Learning for Bayesian Optimization.
NeurIPS
(2021)
Yu-Heng Hung
,
Ping-Chun Hsieh
,
Xi Liu
,
P. R. Kumar
Reward-Biased Maximum Likelihood Estimation for Linear Stochastic Bandits.
AAAI
(2021)
Bing-Jing Hsieh
,
Ping-Chun Hsieh
,
Xi Liu
Reinforced Few-Shot Acquisition Function Learning for Bayesian Optimization.
CoRR
(2021)
Jyun-Li Lin
,
Wei Hung
,
Shang-Hsuan Yang
,
Ping-Chun Hsieh
,
Xi Liu
Escaping from zero gradient: Revisiting action-constrained reinforcement learning via Frank-Wolfe policy optimization.
UAI
(2021)
Tao Liu
,
P. R. Kumar
,
Xi Liu
Learning from Small Samples: Transformation-Invariant SVMs with Composition and Locality at Multiple Scales.
CoRR
(2021)
Jyun-Li Lin
,
Wei Hung
,
Shang-Hsuan Yang
,
Ping-Chun Hsieh
,
Xi Liu
Escaping from Zero Gradient: Revisiting Action-Constrained Reinforcement Learning via Frank-Wolfe Policy Optimization.
CoRR
(2021)
Akshay Mete
,
Rahul Singh
,
Xi Liu
,
P. R. Kumar
Reward Biased Maximum Likelihood Estimation for Reinforcement Learning.
L4DC
(2021)
Ping-Chun Hsieh
,
Xi Liu
,
I-Hong Hou
Fresher content or smoother playback?: a brownian-approximation framework for scheduling real-time wireless video streams.
MobiHoc
(2020)
Hanzi Mao
,
Xi Liu
,
Nick Duffield
,
Hao Yuan
,
Shuiwang Ji
,
Binayak P. Mohanty
Context-aware Deep Representation Learning for Geo-spatiotemporal Analysis.
ICDM
(2020)
Xi Liu
,
Muhe Xie
,
Xidao Wen
,
Rui Chen
,
Yong Ge
,
Nick Duffield
,
Na Wang
Micro- and macro-level churn analysis of large-scale mobile games.
Knowl. Inf. Syst.
62 (4) (2020)
Yu-Heng Hung
,
Ping-Chun Hsieh
,
Xi Liu
,
P. R. Kumar
Reward-Biased Maximum Likelihood Estimation for Linear Stochastic Bandits.
CoRR
(2020)
Xi Liu
,
Li Li
,
Ping-Chun Hsieh
,
Muhe Xie
,
Yong Ge
,
Rui Chen
Developing Multi-Task Recommendations with Long-Term Rewards via Policy Distilled Reinforcement Learning.
CoRR
(2020)
Xi Liu
,
Ping-Chun Hsieh
,
Yu-Heng Hung
,
Anirban Bhattacharya
,
P. R. Kumar
Exploration Through Reward Biasing: Reward-Biased Maximum Likelihood Estimation for Stochastic Multi-Armed Bandits.
ICML
(2020)
Ping-Chun Hsieh
,
Xi Liu
,
I-Hong Hou
Fresher Content or Smoother Playback? A Brownian-Approximation Framework for Real-Time Video Delivery in Wireless Networks.
CoRR
(2019)
Xidao Wen
,
Yu-Ru Lin
,
Xi Liu
,
Peter Brusilovsky
,
Jordan Barria-Pineda
Iterative Discriminant Tensor Factorization for Behavior Comparison in Massive Open Online Courses.
WWW
(2019)
Xi Liu
,
Ping-Chun Hsieh
,
Nick Duffield
,
Rui Chen
,
Muhe Xie
,
Xidao Wen
Real-Time Streaming Graph Embedding Through Local Actions.
WWW (Companion Volume)
(2019)
Ping-Chun Hsieh
,
Xi Liu
,
Anirban Bhattacharya
,
P. R. Kumar
Stay With Me: Lifetime Maximization Through Heteroscedastic Linear Bandits With Reneging.
ICML
(2019)
Xianshan Qu
,
Li Li
,
Xi Liu
,
Rui Chen
,
Yong Ge
,
Soo-Hyun Choi
A Dynamic Neural Network Model for Click-Through Rate Prediction in Real-Time Bidding.
IEEE BigData
(2019)
Arman Hasanzadeh
,
Xi Liu
,
Nick Duffield
,
Krishna R. Narayanan
Piecewise Stationary Modeling of Random Processes Over Graphs With an Application to Traffic Prediction.
IEEE BigData
(2019)
Xidao Wen
,
Konstantinos Pelechrinis
,
Yu-Ru Lin
,
Xi Liu
,
Yongsu Ahn
,
Nan Cao
FacIt: Factorizing Tensors into Interpretable and Scrutinizable Patterns.
IEEE VIS (Short Papers)
(2019)
Xi Liu
,
Ping-Chun Hsieh
,
Anirban Bhattacharya
,
P. R. Kumar
Bandit Learning Through Biased Maximum Likelihood Estimation.
CoRR
(2019)
Xi Liu
,
Muhe Xie
,
Xidao Wen
,
Rui Chen
,
Yong Ge
,
Nick Duffield
,
Na Wang
Micro- and Macro-Level Churn Analysis of Large-Scale Mobile Games.
CoRR
(2019)
Xi Liu
,
Ke Ma
,
P. R. Kumar
Towards Provably Safe Mixed Transportation Systems with Human-driven and Automated Vehicles.
CoRR
(2018)
Xi Liu
,
Muhe Xie
,
Xidao Wen
,
Rui Chen
,
Yong Ge
,
Nick Duffield
,
Na Wang
A Semi-Supervised and Inductive Embedding Model for Churn Prediction of Large-Scale Mobile Games.
ICDM
(2018)
Xi Liu
,
Ping-Chun Hsieh
,
Nick Duffield
,
Rui Chen
,
Muhe Xie
,
Xidao Wen
Streaming Network Embedding through Local Actions.
CoRR
(2018)
Ping-Chun Hsieh
,
Xi Liu
,
Anirban Bhattacharya
,
P. R. Kumar
Heteroscedastic Bandits with Reneging.
CoRR
(2018)
Xi Liu
,
Ping-Chun Hsieh
,
P. R. Kumar
Safe Intersection Management for Mixed Transportation Systems with Human-Driven and Autonomous Vehicles.
CoRR
(2018)
Xi Liu
,
Ping-Chun Hsieh
,
P. R. Kumar
Safe Intersection Management for Mixed Transportation Systems with Human-Driven and Autonomous Vehicles.
Allerton
(2018)
Xi Liu
,
Muhe Xie
,
Xidao Wen
,
Rui Chen
,
Yong Ge
,
Nick Duffield
,
Na Wang
A Semi-Supervised and Inductive Embedding Model for Churn Prediction of Large-Scale Mobile Games.
CoRR
(2018)
Ping-Chun Hsieh
,
Xi Liu
,
Jian Jiao
,
I-Hong Hou
,
Yunlong Zhang
,
P. R. Kumar
Throughput-Optimal Scheduling for Multi-Hop Networked Transportation Systems With Switch-Over Delay.
MobiHoc
(2017)
Ping-Chun Hsieh
,
I-Hong Hou
,
Xi Liu
Delay-Optimal Scheduling for Queueing Systems with Switching Overhead.
CoRR
(2017)
Ping-Chun Hsieh
,
Xi Liu
,
Jian Jiao
,
I-Hong Hou
,
Yunlong Zhang
,
P. R. Kumar
Throughput-Optimal Scheduling for Multi-Hop Networked Transportation Systems With Switch-Over Delay.
CoRR
(2017)
Xi Liu
,
P. R. Kumar
Towards safety of transportation systems with a mixture of automated and human-driven vehicles.
COMSNETS
(2016)
Xi Liu
,
Ke Ma
,
P. R. Kumar
Towards provably safe mixed transportation systems with human-driven and automated vehicles.
CDC
(2015)