Victor Junqiu WEI (魏俊秋)

   General Information  

Biography (Education & Work Experience)

Victor Junqiu WEI is currently working as an assistant professor in School of Computer Science and Engineering (SCSE), Macau University of Science and Technology (MUST), Macau. He obtained his bachelor degree from Nanjing University and PhD degree from Department of Computer Science and Engineering, the Hong Kong University of Science and Technology under supervision of Prof. Raymond Chi-Wing Wong. From March 2018 to May 2018, he was a visiting student of Prof. Hanan Samet (Fellow of ACM & IEEE) and Prof. David Mount (Fellow of ACM) at University of Maryland in US. He had close collaborations with Prof. Raymond Chi-Wing Wong (Hong Kong University of Science and Technology, Hong Kong), Prof. Hanan Samet (University of Maryland at College Park, U.S., Fellow of ACM & IEEE), Prof. David Mount (University of Maryland at College Park, U.S., Fellow of ACM), Prof. Cheng Long (Nanyang Technological University, Singapore), Prof. Di Jiang (Hong Kong Polytechnic University, Hong Kong), Prof. Jason Chen Zhang (Hong Kong Polytechnic University, Hong Kong), Prof. Bo Tang (Southern University of Science and Technology, China), Prof. Haiqin Yang (Shenzhen Technology University, China), Prof. Weibin Wu (Sun Yat Sen University, China), Prof. Weicheng Wang (Beijing Institutie of Technology (Zhuhai), China), and Prof. Tian Bai (Jilin University, China). He also has several years' working experience in the world-famous research labs in the AI industry including Baidu natural language processing (NLP) group, AI group of WeBank and Noah's Ark Lab of Huawei.

Research Statement

His research interests span spatial-temporal data management (Published in SIGMOD 2017, TKDE 2019, SIGMOD 2020, ICDE 2020, TODS 2022, SIGMOD 2023, TKDE 2024, SIGMOD 2026), AI for database and data management (ICDM 2019, COLING 2024, ICDE 2025, TKDE 2025), natural language processing and its applications in database management (AAAI 2021, ACL 2022, EMNLP 2022, ICSE 2023, TKDE 2024, KDD 2025, EMNLP 2025). His vision is to optimize the data management and data mining applications with advanced data structures, machine learning and deep learning algorithms. He served as a program committee member of many top conferences such as ICDE, ICML, KDD, WWW, CIKM, SIGSPATIAL, COLM, ACL, NAACL, and EMNLP, etc. He has won a lot of honors and awards including the best paper candidate of SIGMOD 2020.

  Selected Publications  

Full List

* denotes the corresponding author.

• Victor Junqiu Wei, Min Xie, Weicheng Wang*.
  Constrained Shortest Path Finding on Terrain Surfaces.
  To Appear in Proceedings of ACM Conference on Management of Data, India (SIGMOD), 2026 (CCF A, Core Rank A*)

• Victor Junqiu Wei, Di Jiang*, Jason Chen Zhang.
  On Efficient Single-Source Personalized PageRank Computation in Online Social Networks.
  Proceedings of the IEEE Transaction on Knowledge and Data Engineering, (TKDE), 2025 (CCF A, JCR Top 2%)

• Victor Junqiu Wei, Weicheng Wang*, Di Jiang, Yuanfeng Song, Lu Wang.
  ASR-EC Benchmark: Evaluating Large Language Models on Chinese ASR Error Correction.
  Proceedings of The 2025 Conference on Empirical Methods in Natural Language Processing, (EMNLP Industry Track), 2025 (CCF B, Core Rank A*)
  dataset

• Weicheng Wang, Victor Junqiu Wei*, Min Xie*, Di Jiang, Lixin Fan, Haijun Yang.
  Interactive Search with Reinforcement Learning.
  Proceedings of the IEEE International Conference on Data Engineering, (ICDE), 2025 (CCF A, Core Rank A*)
  code

• Victor Junqiu Wei, Raymond Chi-Wing Wong, Cheng Long, David M. Mount, Hanan Samet.
  On Efficient Shortest Path Computation on Terrain Surface: A Direction-Oriented Approach.
  Proceedings of the IEEE Transaction on Knowledge and Data Engineering, (TKDE), 2024 (CCF A, JCR Top 2%)
  code

• Yan Ge, Victor Junqiu Wei*, Yuanfeng Song*, Jason Chen Zhang, Raymond Chi-Wing Wong.
  Automatic Data Visualization Generation from Chinese Natural Language Questions.
  Proceedings of the Joint International Conference on Computational Linguistics, Language Resources and Evaluation (LREC-COLING), 2024 (CCF B, Core Rank B)

• Bo Huang, Victor Junqiu Wei*, Raymond Chi-Wing Wong, Bo Tang*.
  EAR-Oracle: On Efficient Indexing for Distance Queries between Arbitrary Points on Terrain Surface.
  Proceedings of ACM Conference on Management of Data, Seatle, USA, (SIGMOD), 2023. (CCF A, Core Rank A*)
  code slides poster video

• Victor Junqiu Wei, Raymond Chi-Wing Wong, Cheng Long, David M. Mount, Hanan Samet.
  Proximity Queries on Terrain Surface.
  Proceedings of ACM Transactions on Database System (TODS), 2022. (CCF A, JCR Top 2%)

• Victor Junqiu Wei, Raymond Chi-Wing Wong, Cheng Long.
  Architecture-Intact Oracle for Fastest Path and Time Queries on Dynamic Spatial Networks.
  Proceedings of ACM Conference on Management of Data, Portland, USA, (SIGMOD), 2020 (CCF A, Core Rank A*)
  (Nominee of the Best Paper Award)
  slides video

• Dandan Lin, Raymond Chi-Wing Wong, Min Xie, Victor Junqiu Wei.
  Index-Free Approach with Theoretical Guarantee for Efficient Random Walk with Restart Query.
  Proceedings of the 36th IEEE International Conference on Data Engineering, (ICDE), 2020 (CCF A, Core Rank A*)
  code

• Victor Junqiu Wei, Raymond Chi-Wing Wong, Cheng Long, Pan Hui.
  On Nearby-Fit Spatial Keyword Queries.
  Proceedings of the IEEE Transaction on Knowledge and Data Engineering, (TKDE), 2020 (CCF A, JCR Top 2%)
  slides video code

• Victor Junqiu Wei, Raymond Chi-Wing Wong, Cheng Long, David M. Mount.
  Distance Oracle on Terrain Surface.
  Proceedings of ACM Conference on Management of Data, Chicago, USA (SIGMOD), 2017 (CCF A, Core Rank A*)
  slides video code
  
  

The list of patents that I published before.

   Research Grants   

Principle Investigator (PI), Macau Science and Technology Development Fund (Fundo para o Desenvolvimento das Ciências e da Tecnologia, FDCT), 澳門科學技術發展基金

"基於搜索學習的生成式空間軌跡大數據壓縮算法研究"  ("Generative Trajectory Simplification with Learning-by-Search")

374,400 MOP, Project No.: 0094/2025/ITP2, Dec 2025 - Dec 2026

Principle Investigator (PI), Faculty Research Grant of MUST (FRG)

  100,000 MOP, Project No.: FRG-25-080-FIE, July 2025 - July 2026

Principle Investigator (PI), HKUST & WeBank Joint Laboratory Project

 "Natural Language Interface for the Database Query Processing: Pretraining, Interactive Search and Beyond" (500,000 HKD).

    Project No.: WEB24EG01-A, Feb. 2024 - Feb. 2025

Principle Investigator (PI), General Program, Guangdong Basic and Applied Basic Research Foundation（广东省基础与应用基础研究基金）

 "On Boosting Personalized PageRank with Statistical Learning Theory-Inspired Progressive Sampling Method" (150,000 RMB).

    "基于统计机器学习的渐进式的个性化网页排序计算方法研究" (15万人民币).

    Grant No.: GDST23EG32, Project No.: 2024A1515011667, Jan. 2024 - Dec. 2026

Principle Investigator (PI), Internal Fund, Hong Kong Polytechnic University

"Online Trajectory Compression with Deep Reinforcement Learning" (250,000 HKD).

    Grant No.: 1-BD47, Project No.: P0039657, Feb. 2022 - Feb. 2023

   Student Supervision  

It is my great pleasure of working with these intelligent and hard-working students.

Ongoing

Ao Zheng, Zixu Li, Zhaoyu Chen, Wenchu Zeng, Zecheng Qiu, Tangzishun Li, Zhirui Jiang, Xuanting Wan, Xinghan Li, Shengtong Chen (UG Students)

Yudan Liu, Dengbo Pan, Ronghua Zhang (Fall 2025 - Present, UG Students)

Achievement under My Supervision: 2025 Huawei ICT Competition, Macau Final

Wendi Lu, Junxi Wu, Xuanfu Zhu (Master Students)

Alumni (At Hong Kong)

Ashkan Majidi (Jun. 2024 - Sep. 2024, Research Intern, Research Topic: Natural Language to Visualization)

    Undergraduate Student from Sharif University of Technology, Iran

Weicheng Wang (Nov. 2023 - Feb. 2025, Full-Time Postdoctoral Fellow, Research Topic: Natural Language Interfaces for Database)

    Bachelor degree from Beijing Normal University, Doctoral degree from the Hong Kong University of Science and Technology

    Status Afterwards: Postdoctoral Fellow in Chinese Univeristy of Hong Kong, Hong Kong SAR, China

    Achievement under My Supervision: One Paper Published in ICDE 2025

Yan Ge (Aug. 2022 - Aug. 2023, Full-Time Research Assistant, Research Topic: Natural Language to Visualization)

    Master degree from Jilin University

    Status Afterwards: PhD Student in University of Tsukuba, Japan

    Achievement under My Supervision: One Paper Published in LREC-COLING 2024

Bo Huang (Aug. 2022 - Aug. 2023, Full-Time Research Assistant, Research Topic: Shortest Distance Queries on Terrain Surfaces)

    Bachelor and Master degree both from the Southern University of Science and Technology

    Status Afterwards: PhD Student in University of California at Riverside, USA

    Achievement under My Supervision: One Paper Published in SIGMOD 2023

Yuqi Zha (Apr. 2022 - Dec. 2022, Part-Time Research Assistant, Research Topic: Trajectory Simplification)

    Bachelor degree from Sichuan University, Master Degree from the Hong Kong Polytechnic University

    Status Afterwards: PhD Student in City Univeristy of Hong Kong, Hong Kong SAR, China

    Teaching

Database Systems (CS240, Spring 2025 & 2026, Macau University of Science and Technology)

Data Structures (CS121, Fall 2025, Macau University of Science and Technology)

Database Systems (PG Course, Fall 2025, Macau University of Science and Technology)

Introduction to Natural Language Processing (COMP 4221, Spring & Fall 2024, Hong Kong University of Science and Technology)

Database Systems (COMP 2411, Fall 2022, Hong Kong Polytechnic University)

Wireless Networks and Mobile Computing (COMP 5327, Spring 2022, Hong Kong Polytechnic University)

Knowledge and Data Management (COMP 4135, Spring 2022, Hong Kong Polytechnic University)

   Selected Awards and Honors   

Full List

Potentially High-Value Patent Award, Huawei Technologies, Aug. 2021

Nominee of the Best Paper Award of SIGMOD 2020, Apr. 2020

Future Star of Huawei Technologies., Nov. 2020

Gold Team Medal of Huawei Technologies., Jan. 2020

Overseas Research Award of HKUST, Nov. 2017

Research Travel Grant of HKUST, Jun. 2017

Student Travel Award of SIGMOD, Apr. 2017

Postgraduate Studentship of HKUST, 2013 - 2018

Outstanding Undergraduate Thesis of Nanjing University, Jun. 2013

Excellent Undergraduate Student of Nanjing University, Oct. 2010

2nd Prize Provincial, Chinese Physics Olympiad, Oct. 2008

   Selected Professional Services   

Full List

Program Committee Member

ICML (2026), KDD (2023, 2024, 2025, 2026), ACL (2021, 2022, 2023, 2024, 2026), ICDE (2021, 2022, 2024, 2025, 2026), WWW (2026), NAACL (2021, 2022), EMNLP (2021, 2022, 2023, 2024), CIKM (2021, 2022, 2023, 2024, 2025), COLM (2024, 2025, 2026), COLING (2018, 2020), PAKDD (2020, 2021, 2022, 2023), SIGSPATIAL (2023), SSTD (2021), BigData (2019, 2020), BigComp (2019, 2020)

Journal Reviewer

Pattern Recognition Letter (2021), IEEE Transaction on Knowledge and Data Engineering (2022), ACM Transactions on Knowledge Discovery from Data (2025), Journal of Knowledge-based System (2022), Journal of Aitificial Intelligence (2021), ACM Computing Surveys (2023), VLDB Journal (2023), IEEE Access (2024), IEEE’s Transactions on Big Data (2026)

   Invited Talks   

"Distance Oracle on Terrain Surface", SIGMOD, May 2017 [Video]

"Random Walk-based Sampling on Graphs", Baidu Natural Language Processing Group, Jan. 2018 [PPT]

"Experience Sharing on Job Hunting", Phd Forum, MDM 2019 [PPT]

"华为预训练语言模型技术与行业应用 (Pre-trained Language Model Technologies and Applications in Huawei)", AICon 2019 [Media]

"On Nearby-Fit Spatial Keyword Queries", ICDE, April 2020 [Video]

"Architecture-Intact Oracle for Fastest Path and Time Queries on Dynamic Spatial Networks", SIGMOD, June 2020 [Video]

"Word Representation Learning in Natural Language Processing", AI in "X" Workshop, IEEE Computer Intelligence Hong Kong Chapter, Dec 2020 [PPT]

"On Boosting Spatial Data Management with Efficient Indexing Structures", Departmental Seminar of Computer Science and Engineering, Hong Kong University of Science and Technology, Jan. 2022 [LINK]

"Key Techniques in Pre-trained Language Models", Shenzhen Institute of Computing Sciences, Aug. 2022 [PPTs]

"EAR-Oracle: On Efficient Indexing for Distance Queries between Arbitrary Points on Terrain Surface", DB Group Presentation Day (Spring 2024), Hong Kong University of Science and Technology, June 2024 [PPT]

"From Spatial Data Management to AI for Big Data Management", Beijing Normal University (Zhuhai), Dec. 2025 [PPT]