1. Do Loyal Users Enjoy Better Recommendations? Understanding Recommender Accuracy from a Time Perspective.
    Yitong Ji, Aixin Sun, Jie Zhang, Chenliang Li. ICTIR 2022 RecSys
  2. A Survey on Neural Open Information Extraction: Current Status and Future Directions.
    Shaowen Zhou, Bowen Yu, Aixin Sun, Cheng Long, Jingyang Li, Jian Sun. IJCAI 2022 Surveys NLP
  3. A Dual-Channel Framework for Sarcasm Recognition by Detecting Sentiment Conflict .
    Yiyi Liu, Yequan Wang, Aixin Sun, Xuying Meng, Jing Li, Jiafeng Guo. NAACL 2022 Findings NLP
  4. Automatic Expert Selection for Multi-Scenario and Multi-Task Search.
    Xinyu Zou, Zhi Hu, Yiming Zhao, Xuchu Ding, Zhongyi Liu, Chenliang Li and Aixin Sun. SIGIR 2022 IR
  5. An Attribute-Driven Mirroring Graph Network for Session-based Recommendation.
    Siqi Lai, Erli Meng, Fan Zhang, Chenliang Li, Bin Wang and Aixin Sun. SIGIR 2022 RecSys
  6. Improving Conversational Recommender Systems via Transformer-based Sequential Modelling. [Draft]
    Jie Zou, Evangelos Kanoulas, Pengjie Ren, Zhaochun Ren, Aixin Sun and Cheng Long. SIGIR 2022 (Short paper) RecSys
  7. MMEKG: Multi-modal Event Knowledge Graph towards Universal Representation across Modalities.
    Yubo Ma, Zehao Wang, Mukai Li, Yixin Cao, Meiqi Chen, Xinze Li, Wenqi Sun, Kunquan Deng, Kun Wang, Aixin Sun, Jing Shao. ACL 2022 (Demo paper). NLP
  8. An Embarrassingly Simple Model for Dialogue Relation Extraction.
    Fuzhao Xue, Aixin Sun, Hao Zhang, Jinjie Ni, Eng Siong Chng. ICASSP 2022 NLP
  9. Aspect-based Sentiment Analysis through EDU-level Attentions.
    Ting Lin, Aixin Sun, Yequan Wang. PAKDD 2022 NLP
  10. A Survey on Deep Learning for Named Entity Recognition. [390+ Citations]
    Jing Li, Aixin Sun, Jianglei Han, and Chenliang Li. TKDE 34(1): 50-70 (2022). NLP IR


  1. 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
  2. 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
  3. 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
  4. 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
  5. Incremental Community Detection on Large Complex Atributed Network.
    Zhe Chen, Aixin Sun, Xiaokui Xiao. ACM TKDD. Accepted 2021 DM
  6. 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
  7. GDPNet: Refining Latent Multi-View Graph for Relation Extraction.
    Fuzhao Xue, Aixin Sun, Hao Zhang, Eng Siong Chng. AAAI 2021 NLP


  1. Anomaly Detection on Dynamic Bipartite Graph with Burstiness.
    Zhe Chen, Aixin Sun. IEEE ICDM 2020. (Short paper) DM
  2. Understanding the Stability of Medical Concept Embedding.
    Grace E. Lee, Aixin Sun. JASIST. NLP
  3. Sentiment Prediction using Attention on User-Specific Rating Distribution.
    Ting Lin, Aixin Sun. ACM ICTIR 2020. NLP
  4. DeepRouting: A Deep Neural Network Approach for Ticket Routing in Expert Network. [Draft]
    Jianglei Han, Aixin Sun. IEEE SCC 2020 (Best Student Paper Award). IR
  5. Span-based Localizing Network for Natural Language Video Localization.
    Hao Zhang, Aixin Sun, Wei Jing, and Joey Tianyi Zhou. ACL 2020. NLP
  6. A Re-visit of Popularity Baseline in Recommender Systems.
    Yitong Ji, Aixin Sun, Jie Zhang and Chenliang Li. SIGIR 2020. (Short paper) RecSys
  7. CATN: Cross-Domain Recommendation for Cold-Start Users via Aspect Transfer Network.
    Cheng Zhao, Chenliang Li, Rong Xiao, Hongbo Deng and Aixin Sun. SIGIR 2020. RecSys
  8. Neural Named Entity Boundary Detection
    Jing Li, Aixin Sun, Yukun Ma. TKDE 2020. NLP IR
  9. CASE: Context-Aware Semantic Expansion
    Jialong Han, Aixin Sun, Haisong Zhang, Chenliang Li, Shuming Shi. AAAI. Feb 2020 NLP
  10. Efficient Approximation Algorithms for Adaptive Target Profit Maximization
    Keke Huang, Jing Tang, Xiaokui Xiao, Aixin Sun, Andrew Lim. ICDE. Apr 2020 DB


  1. Subtopic-Driven Multi-Document Summarization
    Xin Zheng, Aixin Sun, Jing Li and Karthik Muthuswamy. EMNLP. Nov 2019 NLP
  2. Seed-Guided Topic Model for Document Filtering and Classification Draft
    Chenliang Li, Shiqian Chen, Jian Xing, Aixin Sun, Zongyang Ma. TOIS 37(1): 9:1-9:37 2019 IR
  3. Collective Named Entity Recognition in User Comments via Parameterized Label Propagation
    Minh C. Phan and Aixin Sun. JASIST. NLP
  4. Community Detection on Large Complex Attribute Network
    Zhe Chen, Aixin Sun, Xiaokui Xiao. KDD. Aug 2019 DM
  5. Robust Representation Learning of Biomedical Names
    Minh C. Phan, Aixin Sun and Yi Tay. ACL. July 2019 NLP IR
  6. ChID: A Large-scale Chinese IDiom Dataset for Cloze Test
    Chujie Zheng, Minlie Huang and Aixin Sun. ACL. July 2019 NLP
  7. A Study on Agreement in PICO Span Annotations [PDF@arXiv ]
    Grace E. Lee and Aixin Sun. SIGIR. July 2019 (Short paper) Health NLP
  8. Aspect-level Sentiment Analysis using AS-Capsules [PDF@RG]
    Yequan Wang, Aixin Sun, Minlie Huang, Xiaoyan Zhu. WWW. Apr 2019 NLP
  9. Learning Travel Time Distributions with Deep Generative Model [PDF@GoogleDrive]
    Xiucheng Li, Gao Cong, Aixin Sun, Yun Cheng. WWW. Apr 2019 DM
  10. Deep Learning based Recommender System: A Survey and New Perspectives [ PDF@RG]
    Shuai Zhang, Lina Yao, Aixin Sun, and Yi Tay. ACM Computing Surveys. Feb 2019 RecSys