Chengliang Chai

92 papers A* 21B 2Journal 57Unranked 12
YearRankTypeTitle / Venue / Authors
2026 J jnl
Online label aggregation with incomplete crowd responses.
J. King Saud Univ. Comput. Inf. Sci.
Yuyang Liu, Haoyu Liu, Runze Wu, Chengliang Chai, Minmin Lin, Renyu Zhu, Hui Liu, Tangjie Lv, Changjie Fan
2025 J jnl
A Survey of Data Agents: Emerging Paradigm or Overstated Hype?
CoRR
Yizhang Zhu, Liangwei Wang, Chenyu Yang, Xiaotian Lin, Boyan Li, Wei Zhou, Xinyu Liu, Zhangyang Peng, Tianqi Luo, Yu Li, Chengliang Chai, Chong Chen, Shimin Di, Ju Fan, Ji Sun, Nan Tang, Fugee Tsung, Jiannan Wang, Chenglin Wu, Yanwei Xu, Shaolei Zhang, Yong Zhang, Xuanhe Zhou, Guoliang Li, Yuyu Luo
2025 J jnl
Cost-effective Missing Value Imputation for Data-effective Machine Learning.
ACM Trans. Database Syst.
Chengliang Chai, Kaisen Jin, Nan Tang, Ju Fan, Dongjing Miao, Jiayi Wang, Yuyu Luo, Guoliang Li, Ye Yuan, Guoren Wang
2025 J jnl
Data Imputation with Limited Data Redundancy Using Data Lakes.
Proc. VLDB Endow.
Chenyu Yang, Yuyu Luo, Chuanxuan Cui, Ju Fan, Chengliang Chai, Nan Tang
2025 J jnl
DocDB: A Database for Unstructured Document Analysis.
Proc. VLDB Endow.
Zequn Li, Yuanhao Zhong, Chengliang Chai, Zhaoze Sun, Yuhao Deng, Ye Yuan, Guoren Wang, Lei Cao
2025 — conf
Doctopus: A System for Budget-aware Structural Data Extraction from Unstructured Documents.
SIGMOD Conference Companion
Yuanhao Zhong, Yuhao Deng, Chengliang Chai, Ruixin Gu, Ye Yuan, Guoren Wang, Lei Cao
2025 J jnl
Doctopus: Budget-aware Structural Table Extraction from Unstructured Documents.
Proc. VLDB Endow.
Chengliang Chai, Jiajun Li, Yuhao Deng, Yuanhao Zhong, Ye Yuan, Guoren Wang, Lei Cao
2025 A* conf
Federated Data Analytics with Differentially Private Density Estimation Model.
ICDE
Jiayi Wang, Lei Cao, Chengliang Chai, Guoliang Li
2025 J jnl
Handling Label Noise via Instance-Level Difficulty Modeling and Dynamic Optimization.
CoRR
Kuan Zhang, Chengliang Chai, Jingzhe Xu, Chi Zhang, Ye Yuan, Guoren Wang, Lei Cao
2025 A* conf
Harnessing Diversity for Important Data Selection in Pretraining Large Language Models.
ICLR
Chi Zhang, Huaping Zhong, Kuan Zhang, Chengliang Chai, Rui Wang, Xinlin Zhuang, Tianyi Bai, Jiantao Qiu, Lei Cao, Ju Fan, Ye Yuan, Guoren Wang, Conghui He
2025 J jnl
LEAD: Iterative Data Selection for Efficient LLM Instruction Tuning.
CoRR
Xiaotian Lin, Yanlin Qi, Yizhang Zhu, Themis Palpanas, Chengliang Chai, Nan Tang, Yuyu Luo
2025 J jnl
LEAD: Iterative Data Selection for Efficient LLM Instruction Tuning.
Proc. VLDB Endow.
Xiaotian Lin, Yanlin Qi, Yizhang Zhu, Themis Palpanas, Chengliang Chai, Nan Tang, Yuyu Luo
2025 J jnl
Natural Language to SQL: State of the Art and Open Problems.
Proc. VLDB Endow.
Yuyu Luo, Guoliang Li, Ju Fan, Chengliang Chai, Nan Tang
2025 J jnl
Not All Documents Are What You Need for Extracting Instruction Tuning Data.
CoRR
Chi Zhang, Huaping Zhong, Hongtao Li, Chengliang Chai, Jiawei Hong, Yuhao Deng, Jiacheng Wang, Tian Tan, Yizhou Yan, Jiantao Qiu, Ye Yuan, Guoren Wang, Conghui He, Lei Cao
2025 J jnl
Not All Instances Are Equally Valuable: Towards Influence-Weighted Dataset Distillation.
CoRR
Qiyan Deng, Changqian Zheng, Lianpeng Qiao, Yuping Wang, Chengliang Chai, Lei Cao
2025 — conf
OIE: An Interpretable System for Outlier Explanation and Summarization.
SIGMOD Conference Companion
Jingzhe Xu, Yuhao Deng, Chengliang Chai, Zequn Li, Yuping Wang, Lei Cao
2025 J jnl
QUEST: Query Optimization in Unstructured Document Analysis.
CoRR
Zhaoze Sun, Qiyan Deng, Chengliang Chai, Kaisen Jin, Xinyu Guo, Han Han, Ye Yuan, Guoren Wang, Lei Cao
2025 J jnl
QUEST: Query Optimization in Unstructured Document Analysis.
Proc. VLDB Endow.
Zhaoze Sun, Chengliang Chai, Qiyan Deng, Kaisen Jin, Xinyu Guo, Han Han, Ye Yuan, Guoren Wang, Lei Cao
2025 J jnl
Two Birds with One Stone: Efficient Deep Learning over Mislabeled Data through Subset Selection.
Proc. ACM Manag. Data
Yuhao Deng, Chengliang Chai, Kaisen Jin, Linan Zheng, Lei Cao, Ye Yuan, Guoren Wang
2025 J jnl
Unstructured Data Analysis using LLMs: A Comprehensive Benchmark.
CoRR
Qiyan Deng, Jianhui Li, Chengliang Chai, Jinqi Liu, Junzhi She, Kaisen Jin, Zhaoze Sun, Yuhao Deng, Jia Yuan, Ye Yuan, Guoren Wang, Lei Cao
2024 J jnl
A Survey of Multi-Dimensional Indexes: Past and Future Trends.
IEEE Trans. Knowl. Data Eng.
Mingxin Li, Hancheng Wang, Haipeng Dai, Meng Li, Chengliang Chai, Rong Gu, Feng Chen, Zhiyuan Chen, Shuaituan Li, Qizhi Liu, Guihai Chen
2024 A* conf
Applications and Challenges for Large Language Models: From Data Management Perspective.
ICDE
Meihui Zhang, Zhaoxuan Ji, Zhaojing Luo, Yuncheng Wu, Chengliang Chai
2024 J jnl
AutoCE: An Accurate and Efficient Model Advisor for Learned Cardinality Estimation.
CoRR
Jintao Zhang, Chao Zhang, Guoliang Li, Chengliang Chai
2024 J jnl
Cardinality estimation using normalizing flow.
VLDB J.
Jiayi Wang, Chengliang Chai, Jiabin Liu, Guoliang Li
2024 A* conf
Cost-Effective In-Context Learning for Entity Resolution: A Design Space Exploration.
ICDE
Meihao Fan, Xiaoyue Han, Ju Fan, Chengliang Chai, Nan Tang, Guoliang Li, Xiaoyong Du
2024 A* conf
DMRNet: Effective Network for Accurate Discharge Medication Recommendation.
ICDE
Jiyun Shi, Yuqiao Wang, Chi Zhang, Zhaojing Luo, Chengliang Chai, Meihui Zhang
2024 J jnl
Harnessing Diversity for Important Data Selection in Pretraining Large Language Models.
CoRR
Chi Zhang, Huaping Zhong, Kuan Zhang, Chengliang Chai, Rui Wang, Xinlin Zhuang, Tianyi Bai, Jiantao Qiu, Lei Cao, Ye Yuan, Guoren Wang, Conghui He
2024 — conf
IDE: A System for Iterative Mislabel Detection.
SIGMOD Conference Companion
Yuhao Deng, Qiyan Deng, Chengliang Chai, Lei Cao, Nan Tang, Ju Fan, Jiayi Wang, Ye Yuan, Guoren Wang
2024 J jnl
LakeBench: A Benchmark for Discovering Joinable and Unionable Tables in Data Lakes.
Proc. VLDB Endow.
Yuhao Deng, Chengliang Chai, Lei Cao, Qin Yuan, Siyuan Chen, Yanrui Yu, Zhaoze Sun, Junyi Wang, Jiajun Li, Ziqi Cao, Kaisen Jin, Chi Zhang, Yuqing Jiang, Yuanfang Zhang, Yuping Wang, Ye Yuan, Guoren Wang, Nan Tang
2024 J jnl
LakeCompass: An End-to-End System for Table Maintenance, Search and Analysis in Data Lakes.
Proc. VLDB Endow.
Chengliang Chai, Yuhao Deng, Yutong Zhan, Ziqi Cao, Yuanfang Zhang, Lei Cao, Yu-Ping Wang, Zhiwei Zhang, Ye Yuan, Guoren Wang, Nan Tang
2024 J jnl
MisDetect: Iterative Mislabel Detection using Early Loss.
Proc. VLDB Endow.
Yuhao Deng, Chengliang Chai, Lei Cao, Nan Tang, Jiayi Wang, Ju Fan, Ye Yuan, Guoren Wang
2024 A* conf
Mitigating Data Scarcity in Supervised Machine Learning Through Reinforcement Learning Guided Data Generation.
ICDE
Chengliang Chai, Kaisen Jin, Nan Tang, Ju Fan, Lianpeng Qiao, Yuping Wang, Yuyu Luo, Ye Yuan, Guoren Wang
2024 J jnl
PACE: Poisoning Attacks on Learned Cardinality Estimation.
CoRR
Jintao Zhang, Chao Zhang, Guoliang Li, Chengliang Chai
2024 J jnl
PACE: Poisoning Attacks on Learned Cardinality Estimation.
Proc. ACM Manag. Data
Jintao Zhang, Chao Zhang, Guoliang Li, Chengliang Chai
2024 A* conf
Representation Learning for Entity Alignment in Knowledge Graph: A Design Space Exploration.
ICDE
Peng Huang, Meihui Zhang, Ziyue Zhong, Chengliang Chai, Ju Fan
2024 A* conf
Separation Is for Better Reunion: Data Lake Storage at Huawei.
ICDE
Xin Tang, Chengliang Chai, Dawei Zhao, Haohai Ma, Yong Zheng, Zhenyong Fan, Xin Wu, Jiaquan Zhang, Rui Zhang, Duanshun Li, Yi He, Keji Huang, Guangbin Meng, Yidong Wang, Yuefeng Zhou, Tao Tao, Lirong Jian, Jiwu Shu, Yuping Wang, Ye Yuan, Guoren Wang, Guoliang Li
2024 J jnl
The Dawn of Natural Language to SQL: Are We Fully Ready?
CoRR
Boyan Li, Yuyu Luo, Chengliang Chai, Guoliang Li, Nan Tang
2024 J jnl
The Dawn of Natural Language to SQL: Are We Fully Ready? [Experiment, Analysis & Benchmark ].
Proc. VLDB Endow.
Boyan Li, Yuyu Luo, Chengliang Chai, Guoliang Li, Nan Tang
2023 — conf
A Topic-Aware Data Generation Framework for Math Word Problems.
DASFAA (4)
Tianyu Zhao, Chengliang Chai, Jiabin Liu, Guoliang Li, Jianhua Feng, Zitao Liu
2023 J jnl
An enhanced Elo-based student model for polychotomously scored items in adaptive educational system.
Interact. Learn. Environ.
Bingxue Zhang, Yang Shi, Yuxing Li, Chengliang Chai, Longfeng Hou
2023 A* conf
AutoCE: An Accurate and Efficient Model Advisor for Learned Cardinality Estimation.
ICDE
Jintao Zhang, Chao Zhang, Guoliang Li, Chengliang Chai
2023 J jnl
Cost-Effective In-Context Learning for Entity Resolution: A Design Space Exploration.
CoRR
Meihao Fan, Xiaoyue Han, Ju Fan, Chengliang Chai, Nan Tang, Guoliang Li, Xiaoyong Du
2023 J jnl
Data Management for Machine Learning: A Survey.
IEEE Trans. Knowl. Data Eng.
Chengliang Chai, Jiayi Wang, Yuyu Luo, Zeping Niu, Guoliang Li
2023 A* conf
Database Meets Artificial Intelligence: A Survey (Extended Abstract).
ICDE
Xuanhe Zhou, Chengliang Chai, Guoliang Li, Ji Sun
2023 — conf
Demystifying Artificial Intelligence for Data Preparation.
SIGMOD Conference Companion
Chengliang Chai, Nan Tang, Ju Fan, Yuyu Luo
2023 A* conf
Efficient Coreset Selection with Cluster-based Methods.
KDD
Chengliang Chai, Jiayi Wang, Nan Tang, Ye Yuan, Jiabin Liu, Yuhao Deng, Guoren Wang
2023 J jnl
GoodCore: Data-effective and Data-efficient Machine Learning through Coreset Selection over Incomplete Data.
Proc. ACM Manag. Data
Chengliang Chai, Jiabin Liu, Nan Tang, Ju Fan, Dongjing Miao, Jiayi Wang, Yuyu Luo, Guoliang Li
2023 J jnl
HAIPipe: Combining Human-generated and Machine-generated Pipelines for Data Preparation.
Proc. ACM Manag. Data
Sibei Chen, Nan Tang, Ju Fan, Xuemi Yan, Chengliang Chai, Guoliang Li, Xiaoyong Du
2023 J jnl
HOFD: An Outdated Fact Detector for Knowledge Bases.
IEEE Trans. Knowl. Data Eng.
Shuang Hao, Chengliang Chai, Guoliang Li, Nan Tang, Ning Wang, Xiang Yu
2023 J jnl
Learned Data-aware Image Representations of Line Charts for Similarity Search.
Proc. ACM Manag. Data
Yuyu Luo, Yihui Zhou, Nan Tang, Guoliang Li, Chengliang Chai, Leixian Shen
2022 J jnl
AlphaQO: Robust Learned Query Optimizer.
Int. J. Softw. Informatics
Xiang Yu, Chengliang Chai, Xinning Zhang, Nan Tang, Ji Sun, Guoliang Li
2022 J jnl
Coresets over Multiple Tables for Feature-rich and Data-efficient Machine Learning.
Proc. VLDB Endow.
Jiayi Wang, Chengliang Chai, Nan Tang, Jiabin Liu, Guoliang Li
2022 J jnl
Cost-based or Learning-based? A Hybrid Query Optimizer for Query Plan Selection.
Proc. VLDB Endow.
Xiang Yu, Chengliang Chai, Guoliang Li, Jiabin Liu
2022 J jnl
DADER: Hands-Off Entity Resolution with Domain Adaptation.
Proc. VLDB Endow.
Jianhong Tu, Xiaoyue Han, Ju Fan, Nan Tang, Chengliang Chai, Guoliang Li, Xiaoyong Du
2022 J jnl
Database Meets Artificial Intelligence: A Survey.
IEEE Trans. Knowl. Data Eng.
Xuanhe Zhou, Chengliang Chai, Guoliang Li, Ji Sun
2022 — conf
Domain Adaptation for Deep Entity Resolution.
SIGMOD Conference
Jianhong Tu, Ju Fan, Nan Tang, Peng Wang, Chengliang Chai, Guoliang Li, Ruixue Fan, Xiaoyong Du
2022 A* conf
Feature Augmentation with Reinforcement Learning.
ICDE
Jiabin Liu, Chengliang Chai, Yuyu Luo, Yin Lou, Jianhua Feng, Nan Tang
2022 J jnl
Interactively discovering and ranking desired tuples by data exploration.
VLDB J.
Xuedi Qin, Chengliang Chai, Yuyu Luo, Tianyu Zhao, Nan Tang, Guoliang Li, Jianhua Feng, Xiang Yu, Mourad Ouzzani
2022 B conf
Learned Query Optimizer: At the Forefront of AI-Driven Databases.
EDBT
Rong Zhu, Ziniu Wu, Chengliang Chai, Andreas Pfadler, Bolin Ding, Guoliang Li, Jingren Zhou
2022 — conf
LearnedSQLGen: Constraint-aware SQL Generation using Reinforcement Learning.
SIGMOD Conference
Lixi Zhang, Chengliang Chai, Xuanhe Zhou, Guoliang Li
2022 J jnl
Natural Language to Visualization by Neural Machine Translation.
IEEE Trans. Vis. Comput. Graph.
Yuyu Luo, Nan Tang, Guoliang Li, Jiawei Tang, Chengliang Chai, Xuedi Qin
2022 J jnl
Preface.
J. Comput. Sci. Technol.
Guoliang Li, Nan Tang, Chengliang Chai
2022 J jnl
RNE: computing shortest paths using road network embedding.
VLDB J.
Tianyu Zhao, Shuai Huang, Yong Wang, Chengliang Chai, Guoliang Li
2022 A* conf
RW-Tree: A Learned Workload-aware Framework for R-tree Construction.
ICDE
Haowen Dong, Chengliang Chai, Yuyu Luo, Jiabin Liu, Jianhua Feng, Chaoqun Zhan
2022 J jnl
Selective Data Acquisition in the Wild for Model Charging.
Proc. VLDB Endow.
Chengliang Chai, Jiabin Liu, Nan Tang, Guoliang Li, Yuyu Luo
2022 J jnl
Steerable Self-Driving Data Visualization.
IEEE Trans. Knowl. Data Eng.
Yuyu Luo, Xuedi Qin, Chengliang Chai, Nan Tang, Guoliang Li, Wenbo Li
2022 A* conf
Synthesizing Privacy Preserving Entity Resolution Datasets.
ICDE
Xuedi Qin, Chengliang Chai, Nan Tang, Jian Li, Yuyu Luo, Guoliang Li, Yaoyu Zhu
2021 J jnl
A Learned Query Rewrite System using Monte Carlo Tree Search.
Proc. VLDB Endow.
Xuanhe Zhou, Guoliang Li, Chengliang Chai, Jianhua Feng
2021 J jnl
A Tree-Based Indexing Approach for Diverse Textual Similarity Search.
IEEE Access
Minghe Yu, Chengliang Chai, Ge Yu
2021 J jnl
Automatic Data Acquisition for Deep Learning.
Proc. VLDB Endow.
Jiabin Liu, Fu Zhu, Chengliang Chai, Yuyu Luo, Nan Tang
2021 J jnl
CrowdChart: Crowdsourced Data Extraction From Visualization Charts.
IEEE Trans. Knowl. Data Eng.
Chengliang Chai, Guoliang Li, Ju Fan, Yuyu Luo
2021 J jnl
FACE: A Normalizing Flow based Cardinality Estimator.
Proc. VLDB Endow.
Jiayi Wang, Chengliang Chai, Jiabin Liu, Guoliang Li
2021 A* conf
Ranking Desired Tuples by Database Exploration.
ICDE
Xuedi Qin, Chengliang Chai, Yuyu Luo, Tianyu Zhao, Nan Tang, Guoliang Li, Jianhua Feng, Xiang Yu, Mourad Ouzzani
2021 — conf
Synthesizing Natural Language to Visualization (NL2VIS) Benchmarks from NL2SQL Benchmarks.
SIGMOD Conference
Yuyu Luo, Nan Tang, Guoliang Li, Chengliang Chai, Wenbo Li, Xuedi Qin
2020 A* conf
Crowdsourcing-based Data Extraction from Visualization Charts.
ICDE
Chengliang Chai, Guoliang Li, Ju Fan, Yuyu Luo
2020 — conf
Human-in-the-loop Outlier Detection.
SIGMOD Conference
Chengliang Chai, Lei Cao, Guoliang Li, Jian Li, Yuyu Luo, Samuel Madden
2020 J jnl
Human-in-the-loop Techniques in Machine Learning.
IEEE Data Eng. Bull.
Chengliang Chai, Guoliang Li
2020 A* conf
Interactive Cleaning for Progressive Visualization through Composite Questions.
ICDE
Yuyu Luo, Chengliang Chai, Xuedi Qin, Nan Tang, Guoliang Li
2020 — conf
Interactively Discovering and Ranking Desired Tuples without Writing SQL Queries.
SIGMOD Conference
Xuedi Qin, Chengliang Chai, Yuyu Luo, Nan Tang, Guoliang Li
2020 B conf
Manually Detecting Errors for Data Cleaning Using Adaptive Crowdsourcing Strategies.
EDBT
Haojun Zhang, Chengliang Chai, AnHai Doan, Paris Koutris, Esteban Arcaute
2020 A* conf
Outdated Fact Detection in Knowledge Bases.
ICDE
Shuang Hao, Chengliang Chai, Guoliang Li, Nan Tang, Ning Wang, Xiang Yu
2020 A* conf
Reinforcement Learning with Tree-LSTM for Join Order Selection.
ICDE
Xiang Yu, Guoliang Li, Chengliang Chai, Nan Tang
2020 J jnl
VisClean: Interactive Cleaning for Progressive Visualization.
Proc. VLDB Endow.
Yuyu Luo, Chengliang Chai, Xuedi Qin, Nan Tang, Guoliang Li
2019 J jnl
AnalyticDB: Real-time OLAP Database System at Alibaba Cloud.
Proc. VLDB Endow.
Chaoqun Zhan, Maomeng Su, Chuangxian Wei, Xiaoqiang Peng, Liang Lin, Sheng Wang, Zhe Chen, Feifei Li, Yue Pan, Fang Zheng, Chengliang Chai
2019 A* conf
Crowdsourcing Database Systems: Overview and Challenges.
ICDE
Chengliang Chai, Ju Fan, Guoliang Li, Jiannan Wang, Yudian Zheng
2019 J jnl
Towards Automatic Mathematical Exercise Solving.
Data Sci. Eng.
Tianyu Zhao, Chengliang Chai, Yuyu Luo, Jianhua Feng, Yan Huang, Songfan Yang, Haitao Yuan, Haoda Li, Kaiyu Li, Fu Zhu, Kang Pan
2018 J jnl
A partial-order-based framework for cost-effective crowdsourced entity resolution.
VLDB J.
Chengliang Chai, Guoliang Li, Jian Li, Dong Deng, Jianhua Feng
2018 J jnl
CDB: A Crowd-Powered Database System.
Proc. VLDB Endow.
Guoliang Li, Chengliang Chai, Ju Fan, Xueping Weng, Jian Li, Yudian Zheng, Yuanbing Li, Xiang Yu, Xiaohang Zhang, Haitao Yuan
2018 J jnl
Crowd-Powered Data Mining.
CoRR
Chengliang Chai, Ju Fan, Guoliang Li, Jiannan Wang, Yudian Zheng
2018 A* conf
Incentive-Based Entity Collection Using Crowdsourcing.
ICDE
Chengliang Chai, Ju Fan, Guoliang Li
2017 — conf
CDB: Optimizing Queries with Crowd-Based Selections and Joins.
SIGMOD Conference
Guoliang Li, Chengliang Chai, Ju Fan, Xueping Weng, Jian Li, Yudian Zheng, Yuanbing Li, Xiang Yu, Xiaohang Zhang, Haitao Yuan
2016 — conf
Cost-Effective Crowdsourced Entity Resolution: A Partial-Order Approach.
SIGMOD Conference
Chengliang Chai, Guoliang Li, Jian Li, Dong Deng, Jianhua Feng