Pengfei Li

24 papers A* 6B 1Journal 15Unranked 2
YearRankTypeTitle / Venue / Authors
2025 J jnl
GRELA: Exploiting graph representation learning in effective approximate query processing.
VLDB J.
Pengfei Li, Yong Zhang, Wenqing Wei, Rong Zhu, Bolin Ding, Jingren Zhou, Shuxian Hu, Hua Lu
2024 J jnl
PRICE: A Pretrained Model for Cross-Database Cardinality Estimation.
CoRR
Tianjing Zeng, Junwei Lan, Jiahong Ma, Wenqing Wei, Rong Zhu, Pengfei Li, Bolin Ding, Defu Lian, Zhewei Wei, Jingren Zhou
2024 J jnl
PRICE: A Pretrained Model for Cross-Database Cardinality Estimation.
Proc. VLDB Endow.
Tianjing Zeng, Junwei Lan, Jiahong Ma, Wenqing Wei, Rong Zhu, Pengfei Li, Bolin Ding, Defu Lian, Zhewei Wei, Jingren Zhou
2023 J jnl
ALECE: An Attention-based Learned Cardinality Estimator for SPJ Queries on Dynamic Workloads (Extended).
CoRR
Pengfei Li, Wenqing Wei, Rong Zhu, Bolin Ding, Jingren Zhou, Hua Lu
2023 J jnl
ALECE: An Attention-based Learned Cardinality Estimator for SPJ Queries on Dynamic Workloads.
Proc. VLDB Endow.
Pengfei Li, Wenqing Wei, Rong Zhu, Bolin Ding, Jingren Zhou, Hua Lu
2023 J jnl
DILI: A Distribution-Driven Learned Index.
CoRR
Pengfei Li, Hua Lu, Rong Zhu, Bolin Ding, Long Yang, Gang Pan
2023 J jnl
DILI: A Distribution-Driven Learned Index.
Proc. VLDB Endow.
Pengfei Li, Hua Lu, Rong Zhu, Bolin Ding, Long Yang, Gang Pan
2022 J jnl
CUP: A Conservative Update Policy Algorithm for Safe Reinforcement Learning.
CoRR
Long Yang, Jiaming Ji, Juntao Dai, Yu Zhang, Pengfei Li, Gang Pan
2022 A* conf
Constrained Update Projection Approach to Safe Policy Optimization.
NeurIPS
Long Yang, Jiaming Ji, Juntao Dai, Linrui Zhang, Binbin Zhou, Pengfei Li, Yaodong Yang, Gang Pan
2022 J jnl
Constrained Update Projection Approach to Safe Policy Optimization.
CoRR
Long Yang, Jiaming Ji, Juntao Dai, Linrui Zhang, Binbin Zhou, Pengfei Li, Yaodong Yang, Gang Pan
2022 A* conf
Policy Optimization with Stochastic Mirror Descent.
AAAI
Long Yang, Yu Zhang, Gang Zheng, Qian Zheng, Pengfei Li, Jianhang Huang, Gang Pan
2021 J jnl
HisRect: Features from Historical Visits and Recent Tweet for Co-Location Judgement.
IEEE Trans. Knowl. Data Eng.
Pengfei Li, Hua Lu, Qian Zheng, Shijian Li, Gang Pan
2021 A* conf
On Convergence of Gradient Expected Sarsa(λ).
AAAI
Long Yang, Gang Zheng, Yu Zhang, Qian Zheng, Pengfei Li, Gang Pan
2020 A* conf
HisRect: Features from Historical Visits and Recent Tweet for Co-Location Judgement.
ICDE
Pengfei Li, Hua Lu, Qian Zheng, Shijian Li, Gang Pan
2020 — conf
LISA: A Learned Index Structure for Spatial Data.
SIGMOD Conference
Pengfei Li, Hua Lu, Qian Zheng, Long Yang, Gang Pan
2020 J jnl
On Convergence of Gradient Expected Sarsa(λ).
CoRR
Long Yang, Gang Zheng, Yu Zhang, Qian Zheng, Pengfei Li, Gang Pan
2020 J jnl
Qualitative Measurements of Policy Discrepancy for Return-Based Deep Q-Network.
IEEE Trans. Neural Networks Learn. Syst.
Wenjia Meng, Qian Zheng, Long Yang, Pengfei Li, Gang Pan
2019 A* conf
Exploiting Ratings, Reviews and Relationships for Item Recommendations in Topic Based Social Networks.
WWW
Pengfei Li, Hua Lu, Gang Zheng, Qian Zheng, Long Yang, Gang Pan
2019 J jnl
Gradient Q(σ, λ): A Unified Algorithm with Function Approximation for Reinforcement Learning.
CoRR
Long Yang, Yu Zhang, Qian Zheng, Pengfei Li, Gang Pan
2019 A* conf
Location Inference for Non-Geotagged Tweets in User Timelines [Extended Abstract].
ICDE
Pengfei Li, Hua Lu, Nattiya Kanhabua, Sha Zhao, Gang Pan
2019 J jnl
Location Inference for Non-Geotagged Tweets in User Timelines.
IEEE Trans. Knowl. Data Eng.
Pengfei Li, Hua Lu, Nattiya Kanhabua, Sha Zhao, Gang Pan
2018 — conf
Crux - A New Fast, Flexible and Decentralized Consensus Algorithm with High Fault Tolerance Rate.
SmartBlock
Pengfei Li, Jingtian Peng, Long Yang, Qian Zheng, Gang Pan
2018 J jnl
Qualitative Measurements of Policy Discrepancy for Return-based Deep Q-Network.
CoRR
Wenjia Meng, Qian Zheng, Long Yang, Pengfei Li, Gang Pan
2017 B conf
Finding Influential Local Users with Similar Interest from Geo-Tagged Social Media Data.
MDM
Jinling Jiang, Hua Lu, Pengfei Li, Gang Pan, Xike Xie