Pengfei Li

According to our database, Pengfei Li authored at least 17 papers between 2017 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

PRICE: A Pretrained Model for Cross-Database Cardinality Estimation.

Tianjing Zeng, Junwei Lan, Jiahong Ma, Wenqing Wei, Rong Zhu, Pengfei Li, Bolin Ding, Defu Lian, Zhewei Wei, Jingren Zhou

CoRR, 2024

2023

ALECE: An Attention-based Learned Cardinality Estimator for SPJ Queries on Dynamic Workloads.

Pengfei Li, Wenqing Wei, Rong Zhu, Bolin Ding, Jingren Zhou, Hua Lu

Proc. VLDB Endow., 2023

DILI: A Distribution-Driven Learned Index.

Pengfei Li, Hua Lu, Rong Zhu, Bolin Ding, Long Yang, Gang Pan

Proc. VLDB Endow., 2023

ALECE: An Attention-based Learned Cardinality Estimator for SPJ Queries on Dynamic Workloads (Extended).

Pengfei Li, Wenqing Wei, Rong Zhu, Bolin Ding, Jingren Zhou, Hua Lu

CoRR, 2023

2022

CUP: A Conservative Update Policy Algorithm for Safe Reinforcement Learning.

Long Yang, Jiaming Ji, Juntao Dai, Yu Zhang, Pengfei Li, Gang Pan

CoRR, 2022

Constrained Update Projection Approach to Safe Policy Optimization.

Long Yang, Jiaming Ji, Juntao Dai, Linrui Zhang, Binbin Zhou, Pengfei Li, Yaodong Yang, Gang Pan

Proceedings of the Advances in Neural Information Processing Systems 35: Annual Conference on Neural Information Processing Systems 2022, 2022

Policy Optimization with Stochastic Mirror Descent.

Long Yang, Yu Zhang, Gang Zheng, Qian Zheng, Pengfei Li, Jianhang Huang, Gang Pan

Proceedings of the Thirty-Sixth AAAI Conference on Artificial Intelligence, 2022

2021

HisRect: Features from Historical Visits and Recent Tweet for Co-Location Judgement.

Pengfei Li, Hua Lu, Qian Zheng, Shijian Li, Gang Pan

IEEE Trans. Knowl. Data Eng., 2021

On Convergence of Gradient Expected Sarsa(λ).

Long Yang, Gang Zheng, Yu Zhang, Qian Zheng, Pengfei Li, Gang Pan

Proceedings of the Thirty-Fifth AAAI Conference on Artificial Intelligence, 2021

2020

Qualitative Measurements of Policy Discrepancy for Return-Based Deep Q-Network.

Wenjia Meng, Qian Zheng, Long Yang, Pengfei Li, Gang Pan

IEEE Trans. Neural Networks Learn. Syst., 2020

LISA: A Learned Index Structure for Spatial Data.

Pengfei Li, Hua Lu, Qian Zheng, Long Yang, Gang Pan

Proceedings of the 2020 International Conference on Management of Data, 2020

2019

Location Inference for Non-Geotagged Tweets in User Timelines.

Pengfei Li, Hua Lu, Nattiya Kanhabua, Sha Zhao, Gang Pan

IEEE Trans. Knowl. Data Eng., 2019

Gradient Q(σ, λ): A Unified Algorithm with Function Approximation for Reinforcement Learning.

Long Yang, Yu Zhang, Qian Zheng, Pengfei Li, Gang Pan

CoRR, 2019

Exploiting Ratings, Reviews and Relationships for Item Recommendations in Topic Based Social Networks.

Pengfei Li, Hua Lu, Gang Zheng, Qian Zheng, Long Yang, Gang Pan

Proceedings of the World Wide Web Conference, 2019

Location Inference for Non-Geotagged Tweets in User Timelines [Extended Abstract].

Pengfei Li, Hua Lu, Nattiya Kanhabua, Sha Zhao, Gang Pan

Proceedings of the 35th IEEE International Conference on Data Engineering, 2019

2018

Crux - A New Fast, Flexible and Decentralized Consensus Algorithm with High Fault Tolerance Rate.

Pengfei Li, Jingtian Peng, Long Yang, Qian Zheng, Gang Pan

Proceedings of the Smart Blockchain - First International Conference, 2018

2017

Finding Influential Local Users with Similar Interest from Geo-Tagged Social Media Data.

Jinling Jiang, Hua Lu, Pengfei Li, Gang Pan, Xike Xie

Proceedings of the 18th IEEE International Conference on Mobile Data Management, 2017