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


  • Call for papers: Neurocomputing Special Issue on Real-time Dynamic Network Learning for Location Inference Modelling and Computing. Submission deadline: 15 October, 2020

Professional services

  • Editorial board member: JASIST, Information Retrieval Journal
  • Associate Editor: Neurocomputing
  • Conference organization and PC members:
    • 2021: WSDM21, IJCAI21 (AC), NAACL-HIT (AC), SIGIR (SPC)
    • 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

  • 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
  • CATN: Cross-Domain Recommendation for Cold-Start Users via Aspect Transfer Network. [arXiv]
    Cheng Zhao, Chenliang Li, Rong Xiao, Hongbo Deng and Aixin Sun. SIGIR 2020. RecSys
  • A Survey on Deep Learning for Named Entity Recognition [arXiv]
    Jing Li, Aixin Sun, Jianglei Han, and Chenliang Li. TKDE 2020. NLP IR
  • Neural Named Entity Boundary Detection
    Jing Li, Aixin Sun, Yukun Ma. TKDE 2020. NLP IR
  • CASE: Context-Aware Semantic Expansion
    Jialong Han, Aixin Sun, Haisong Zhang, Chenliang Li, Shuming Shi. AAAI. Feb 2020 NLP
  • Subtopic-Driven Multi-Document Summarization
    Xin Zheng, Aixin Sun, Jing Li and Karthik Muthuswamy. EMNLP. Nov 2019 NLP
  • Collective Named Entity Recognition in User Comments via Parameterized Label Propagation
    Minh C. Phan and Aixin Sun. JASIST. NLP
  • Community Detection on Large Complex Attribute Network
    Zhe Chen, Aixin Sun, Xiaokui Xiao. KDD. Aug 2019 DM
  • Robust Representation Learning of Biomedical Names
    Minh C. Phan, Aixin Sun and Yi Tay. ACL. July 2019 NLP IR
  • ChID: A Large-scale Chinese IDiom Dataset for Cloze Test
    Chujie Zheng, Minlie Huang and Aixin Sun. ACL. July 2019 NLP
  • A Study on Agreement in PICO Span Annotations [PDF@arXiv ]
    Grace E. Lee and Aixin Sun. SIGIR. July 2019 (Short paper) Health NLP
  • Aspect-level Sentiment Analysis using AS-Capsules [PDF@RG]
    Yequan Wang, Aixin Sun, Minlie Huang, Xiaoyan Zhu. WWW. Apr 2019 NLP
  • Learning Travel Time Distributions with Deep Generative Model [PDF@GoogleDrive]
    Xiucheng Li, Gao Cong, Aixin Sun, Yun Cheng. WWW. Apr 2019 DM
  • Deep Learning based Recommender System: A Survey and New Perspectives [PDF@RG]
    Shuai Zhang, Lina Yao, Aixin Sun, and Yi Tay. ACM Computing Surveys. 2019 RecSys


  • Dec 2020. Congratulations to Fuzhao's first paper acceptance to AAAI 2021
  • Nov 2020. Jianglei's paper "DeepRouting: A Deep Neural Network Approach for Ticket Routing in Expert Network" receives the Best Student Paper Award at IEEE SCC2020
  • Aug 2020. Jianglei defended his PhD thesis. Congratulations to Grace and Chen Zhe for paper acceptances to JASIST and ICDM
  • July 2020. Congratulations to Ting Lin's paper acceptance to ICTIR 2020
  • Apr 2020. Congratulations to Hao Zhang's paper acceptance to ACL 2020, and Yitong's paper acceptance to SIGIR 2020.
  • Mar 2020. Congratulations to Dr. Jing Li's paper acceptances to TKDE; two TKDE papers accepted in one day!

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