Dr. Sun Aixin is an Associate Professor and Assistant Chair (Admissions and Outreach) with School of Computer Science and Engineering (SCSE), Nanyang Technological University (NTU), Singapore. He received B.A.Sc (1st class honours) and Ph.D. both in Computer Engineering from the same school in 2001 and 2004 respectively. Aixin's research areas include Text Mining, Social Computing, Multimedia, and Digital Libraries. Many of his papers appear in leading international conferences and journals. Aixin has been a PC member of many major conferences such as SIGIR, KDD, WWW, and reviewer for IEEE/ACM transactions. He is a member of ACM. Email: axsun AT ntu DOT edu DOT sg Phone: (+65) 6790 5139

Professional services

  • Editorial board member, JASIST, John Wiley & Sons.
  • Editorial board member, Information Retrieval Journal, Springer
  • PC Member 2018: WWW, AAAI, WSDM, SIGIR, PAKDD
  • PC Member 2017: WSDM, AAAI, SIGIR, AIRS, DSAA, CIKM (Demo Co-Chair), ADMA (General Chair)
  • PC Member 2016: WWW, KDD, AAAI, IJCAI, CIKM, PAKDD, SIGIR (Short paper), EMNLP

Recent papers

  • Seed-driven Document Ranking for Systematic Reviews in Evidence-Based Medicine
    Grace E. Lee and Aixin Sun. ACM SIGIR. July 2018
  • SegBot: A Generic Neural Text Segmentation Model with Pointer Network [Demo Link]
    Jing Li, Aixin Sun, and Shafiq Joty. IJCAI. July 2018
  • NeuRec: On Nonlinear Transformation for Personalized Ranking
    Shuai Zhang; Lina Yao; Aixin Sun; Sen Wang; Guodong Long; Manqing Dong. IJCAI. July 2018
  • Killing Two Birds With One Stone: Concurrent Ranking of Tags and Comments of Social Images
    Boon-Siew Seah, Aixin Sun, and Sourav S Bhowmick. ACM SIGIR (Short paper). July 2018
  • CoNEREL: Collective Information Extraction in News Articles [Demo Video]
    Minh C. Phan and Aixin Sun. ACM SIGIR (Demo paper). July 2018
  • API Caveat Explorer: Surfacing Negative Usages from Practice [Demo Link]
    Jing Li, Aixin Sun, Zhenchang Xing, and Lei Han. ACM SIGIR (Demo paper). July 2018
  • Learning to Answer Programming Questions with Software Documentation through Social Context Embedding
    Jing Li, Aixin Sun, Zhenchang Xing. Information Sciences. 448-449: 36-52 (2018) [PDF]
  • A Survey of Location Prediction on Twitter [ PDF@RG]
    Xin Zheng, Jialong Han, Aixin Sun. IEEE TKDE. Accepted
  • Sentiment Analysis by Capsules [ PDF@RG]
    Yequan Wang, Aixin Sun, Jialong Han, Ying Liu, Xiaoyan Zhu. WWW. Apr 2018
  • Semi-Supervised Spam Detection in Twitter Stream [ PDF@ArXiv]
    Surendra Sedhai, Aixin Sun. IEEE TCSS. 5(1):169 -- 175. 2018
  • Linking Fine-Grained Locations in User Comments
    Jialong Han, Aixin Sun, Gao Cong, Wayne Xin Zhao, Zongcheng Ji, and Minh C. Phan. IEEE TKDE.30(1): 59-72, 2018

Working drafts

  • Pair-Linking for Collective Entity Disambiguation: Two Could Be Better Than All [ PDF@RG]
  • Deep Learning based Recommender System: A Survey and New Perspectives [ PDF@RG]
  • NEXT: A Neural Network Framework for Next POI Recommendation[ PDF@arXiv]


  • Apr 2018. Congratulations to Keke and Li Jing for paper acceptance to VLDB2018 and IJCAI2018.
  • Apr 2018. Our group has one full paper, one short paper, and two demo papers accepted in SIGIR2018.
  • Mar 2018. I shared our research on "Named Entity Recongnition and Linking" at the NTU - Kobe University Joint Workshop on Data Science and AI. ( Slides in PDF)
  • Mar 2018. Jing's paper "Learning to Answer Programming Questions with Software Documentation through Social Context Embedding" is published with Information Sciences ( PDF).

Read more

Demo: Entity Recognition and Linking