Dr. Sun Aixin is an Associate Professor and Assistant Chair (Academic) at the School of Computer Science and Engineering (SCSE), Nanyang Technological University (NTU), Singapore. He has been a faculty member of SCSE since 2005 and was the Assistant Chair (Admissions and Outreach) from 2016 to 2020. He is a member of Singapore Data Science Consortium (SDSC) Technical Committee, and SDSC institution representative of NTU. His current research interests include information retrieval, text mining, social computing, and digital libraries.

Dr. Sun received B.A.Sc (1st class honours) and Ph.D. both in Computer Engineering from NTU in 2001 and 2004 respectively. He has published about 200 papers in major international journals and conferences. According to Google Scholar, his papers have received more than 10,000 citations, with h-index 49. Dr. Sun is an associate editor of Neurocomputing, editorial board member of Journal of the Association for Information Science and Technology (JASIST), and editorial board member of Information Retrieval Journal. He has served as the demonstration track co-chair for SIGIR2020, ICDM2018, CIKM2017, PC co-chair for AIRS2019, and general chair for ADMA2017. He was a member of best paper committee for SIGIR2020. He has also served as Area Chair, Senior PC member or PC member for many conferences including SIGIR, WWW, WSDM, EMNLP, AAAI, and IJCAI.

Email: axsun AT ntu DOT edu DOT sg Phone: (+65) 6790 5139 Office: N4-2C-102

Professional services

  • Editorial board member: JASIST, Information Retrieval Journal
  • Associate Editor: Neurocomputing
  • Conference organization and PC members:
    • 2021: WSDM21, IJCAI21 (AC), NAACL-HIT21 (AC), SIGIR21 (SPC), ACL21
    • 2020: SIGIR20 (Demo Co-Chair, Member of Best Paper Committee, PC Member), PAKDD20 (Publicity Co-Chair), EMNLP20 (AC), WWW, WSDM, IJCAI (SPC)
    • 2019: AIRS19 (PC Co-Chair), WWW, WSDM, SIGIR, NLPCC, CIKM (SPC)
    • 2018: ICDM18 (Demo Co-Chair), WWW, AAAI, WSDM, SIGIR, PAKDD
    • 2017: ADMA17 (General Chair), CIKM17 (Demo Co-Chair), WSDM, AAAI, SIGIR, AIRS, DSAA

Recent papers

  • DocOIE: A Document-level Context-Aware Dataset for OpenIE.
    Kuicai Dong, Yilin Zhao, Aixin Sun, Jung-Jae Kim and Xiaoli Li.. ACL Findings 2021. NLP
  • Parallel Attention Network with Sequence Matching for Video Grounding.
    Hao Zhang, Aixin Sun, Wei Jing, Liangli Zhen, Joey Tianyi Zhou and Siow Mong Rick Goh. ACL Findings 2021. NLP
  • Video Corpus Moment Retrieval with Contrastive Learning.
    Hao Zhang, Aixin Sun, Wei Jing, Guoshun Nan, Liangli Zhen, Joey Tianyi Zhou, and Rick Siow Mong Goh. SIGIR 2021. IR
  • Natural Language Video Localization: A Revisit in Span-based Question Answering Framework.
    Hao Zhang, Aixin Sun, Wei Jing, Liangli Zhen, Joey Tianyi Zhou and Rick Siow Mong Goh. IEEE TPAMI. Accepted 2021 NLP
  • Incremental Community Detection on Large Complex Atributed Network.
    Zhe Chen, Aixin Sun, Xiaokui Xiao. ACM TKDD. Accepted 2021 DM
  • Point-of-Interest Recommendation with Global and Local Context.
    Peng Han, Shuo Shang, Aixin Sun, Peilin Zhao, Kai Zheng, and Xiangliang Zhang. IEEE TKDE. Accepted 2021 RecSys
  • GDPNet: Refining Latent Multi-View Graph for Relation Extraction.
    Fuzhao Xue, Aixin Sun, Hao Zhang, Eng Siong Chng. AAAI 2021 NLP
  • Anomaly Detection on Dynamic Bipartite Graph with Burstiness.
    Zhe Chen, Aixin Sun. IEEE ICDM 2020. (Short paper) DM
  • Understanding the Stability of Medical Concept Embedding.
    Grace E. Lee, Aixin Sun. JASIST. NLP
  • Sentiment Prediction using Attention on User-Specific Rating Distribution.
    Ting Lin, Aixin Sun. ACM ICTIR 2020. NLP
  • DeepRouting: A Deep Neural Network Approach for Ticket Routing in Expert Network.
    Jianglei Han, Aixin Sun. IEEE SCC 2020 (Best Student Paper Award). IR
  • Span-based Localizing Network for Natural Language Video Localization. [arXiv]
    Hao Zhang, Aixin Sun, Wei Jing, and Joey Tianyi Zhou. ACL 2020. NLP
  • A Re-visit of Popularity Baseline in Recommender Systems. [arXiv]
    Yitong Ji, Aixin Sun, Jie Zhang and Chenliang Li. SIGIR 2020. (Short paper) RecSys


  • May 2021. Hao and Kuicai get their papers in Findings of ACL 2021.
  • Apr 2021. Congratulations to Zhang Hao's paper acceptance to SIGIR 2021
  • Feb 2021. Congratulations to Chen Zhe's paper acceptance to ACM TKDD 2021
  • Feb 2021. Congratulations to Zhang Hao's paper acceptance to IEEE TPAMI 2021
  • Dec 2020. Congratulations to Fuzhao's first paper acceptance to AAAI 2021

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