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 15,000 citations, with h-index 56.

Dr. Sun is an associate editor of ACM Transactions on Information Systems (TOIS), Neurocomputing, editorial board member of Journal of the Association for Information Science and Technology (JASIST), and Information Retrieval Journal. He has served as the Doctoral Consortium co-chair for WSDM2023, demonstration track co-chair for SIGIR2020, ICDM2018, CIKM2017, PC co-chair for AIRS2019, and general chair for ADMA2017. He was a member of the best paper committee for SIGIR2020 and SIGIR2022. 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

  • Associate Editor and Editorial Board Member:
    • ACM Transactions on Information Systems (TOIS)
    • Journal of the Association for Information Science and Technology (JASIST)
    • Information Retrieval Journal (IRJ)
    • Neurocomputing
  • Conference organization and PC members:
    • 2023: SIGIR (SPC), WWW (SPC), IJCAI (AC)
    • 2022: WWW (SPC), IJCAI (SPC), ECIR, SIGIR(SPC), SIGIR (PC for Perspectives Paper Track), KDD (PC for Applied Data Science Track)
    • 2021: WSDM, IJCAI (AC), NAACL-HIT (AC), SIGIR (SPC), ACL, NeurIPS (PC for Datasets and Benchmarks Track)
    • 2020: SIGIR (Demo Co-Chair, Member of Best Paper Committee, PC Member), PAKDD (Publicity Co-Chair), EMNLP (AC), WWW, WSDM, IJCAI (SPC)
    • 2019: AIRS (PC Co-Chair), WWW, WSDM, SIGIR, NLPCC, CIKM (SPC)

Revisiting Recommender Systems

Survey papers

Recent papers


  • Nov 2022. Congratulations to Lin Ting and Zou Jie for paper acceptance to KAIS and IP&M respectively
  • Oct 2022. Congratulations to Yitong's paper acceptance to ACM TOIS
  • Oct 2022. Congratulations to Kuicai's paper acceptance to EMNLP 2022
  • Aug 2022. I am co-chairing WSDM2023 Doctoral Consortium. Submission deadline is 22 Oct 2022
  • July 2022. I will be serving as a member of Advisory Board, Tokyo ACM SIGIR Chapter for two years
  • July 2022. Yitong presented our paper on revisting RecSys from time perspective in ICTIR 2022
  • Apr 2022. Congratulations to Shaowen's paper acceptance to IJCAI 2022 survey track.

Read more