连德富,国家优青,特任教授,博士生导师
Defu Lian, Professor, Ph.D advisor
School of Data Science, School of Computer Science and Technology
University of Science and Technology of China

Email: liandefu@ustc.edu.cn
Address: Room 715, Science and Technology Laboratory East Building, West Campus, USTC, Hefei, Anhui, China, 230027

Research Interest

Work Experience

Education Experience

Teaching

Publication [Google Scholar | DBLP] | Github (for source code)]

  1. Hao Wang, Defu Lian, Hanghang Tong, Qi Liu, Zhenya Huang and Enhong Chen. Decoupled Representation Learning for Attributed Networks. IEEE Transactions on Knowledge and Data Engineering (IEEE TKDE), accepted, 2021.
  2. Shitao Xiao, Zheng Liu, Yingxia Shao, Defu Lian and Xing Xie. Matching-oriented Embedding Quantization For Ad-hoc Retrieval. The 2021 Conference on Empirical Methods in Natural Language Processing (EMNLP 2021), accepted, 2021.
  3. Haoyu Wang, Yaqing Wang, Defu Lian and Jing Gao. A Lightweight Knowledge Graph Embedding Framework for Efficient Inference and Storage. The 30th ACM International Conference on Information and Knowledge Management (CIKM 2021), accepted, 2021.
  4. Defu Lian, Jin Chen, Kai Zheng, Enhong Chen and Xiaofang Zhou. Ranking-based Implicit Regularization for One-Class Collaborative Filtering. IEEE Transactions on Knowledge and Data Engineering (IEEE TKDE), accepted, 2021.
  5. Hao Wang, Defu Lian, Hanghang Tong, Qi Liu, Zhenya Huang and Enhong Chen. HyperSoRec: Exploiting Hyperbolic User and Item Representations with Multiple Aspects for Social-aware Recommendation. ACM Transactions on Information Systems (ACM TOIS), 2021
  6. Shuo Tao, Jingang Jiang, Defu Lian*, Kai Zheng, Enhong Chen. Predicting Human Mobility with Reinforcement Learning based Long-term Periodicity Modeling. ACM Transactions on Intelligent Systems and Technology (ACM TIST), 2021
  7. Defu Lian, Xing Xie, Enhong Chen and Hui Xiong. Product Quantized Collaborative Filtering. IEEE Transaction on Knowledge and Data Engineering (IEEE TKDE), 33(9), 3284-3296, 2021, [PDF].
  8. Hanchen Wang, Defu Lian, Wanqi Liu, Dong Wen, Chen Chen and Xiaoyang Wang. Powerful graph of graphs neural network for structured entity analysis. World Wide Web (WWWJ), 2021
  9. Chenwang Wu, Defu Lian*, Yong Ge, Zhihao Zhu and Enhong Chen. Triple Adversarial Learning for Influence based Poisoning Attack in Recommender Systems. The 27th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD 2021), pp. 1830-1840, Aug. 2021
  10. Qi Liu, Jin Zhang, Defu Lian*, Yong Ge, Jianhui Ma and Enhong Chen. Online Additive Quantization. The 27th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD 2021), pp. 1098-1108, Aug. 2021.
  11. Shoujin Wang, Longbing Cao, Yan Wang, Quan Z. Sheng, Mehmet Orgun and Defu Lian. A Survey on Session-based Recommender Systems. ACM Computing Surveys (ACM CSUR), 54(7), 1-38, 2021
  12. Chenwang Wu, Defu Lian*, Yong Ge, Zhihao Zhu, Enhong Chen and Senchao Yuan. Fight Fire with Fire: Towards Robust Recommender Systems via Adversarial Poisoning Training. The 44th ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2021), pp. 1074-1083, online, Jul. 2021
  13. Gangwei Jiang, Hao Wang, Jin Chen, Haoyu Wang, Defu Lian* and Enhong Chen. xLightFM: Extremely Memory-Efficient Factorization Machine. The 44th ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2021), pp. 337-346, online, Jul. 2021
  14. Mingyue Cheng, Fajie Yuan, Qi Liu, Shenyang Ge, Zhi Li, Runlong Yu, Defu Lian, Senchao Yuan and Enhong Chen. Learning Recommender Systems with Implicit Feedback via Soft Target Enhancement. The 44th ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2021), pp. 575-584, online, Jul. 2021
  15. Jiannan Xiang, Yahui Liu, Deng Cai, Huayang Li, Defu Lian and Lemao Liu. Assessing Dialogue Systems with Distribution Distances. Findings of the Association for Computational Linguistics (ACL-IJCNLP 2021), pp. 2192-2198, Aug. 2021
  16. Li Wang, Binbin Jin, Zhenya Huang, Hongke Zhao, Defu Lian, Qi Liu and Enhong Chen. Preference-Adaptive Meta-Learning for Cold-Start Recommendation. The 30th International Joint Conference on Artificial Intelligence (IJCAI 2021), pp. 1607-1614, Aug. 2021
  17. Hanchen Wang, Defu Lian*, Ying Zhang, Lu Qin, Xiangjian He, Yiguang Lin and Xuemin Lin. Binarized Graph Neural Network. World Wide Web (WWWJ), 33(5), 2021. [PDF].
  18. Defu Lian, Xing Xie and Enhong Chen. Discrete Matrix Factorization and Extension for Fast Item Recommendation. IEEE Transaction on Knowledge and Data Engineering (IEEE TKDE), 33(5), pp. 1919-1933, 2021. [PDF].
  19. Yongji Wu, Defu Lian*, Neil Gong, Lu Yin, Mingyang Yin, Jingren Zhou and Hongxia Yang. Linear-Time Self Attention with Codeword Histogram for Efficient Recommendation. The 30th Web Conference (WWW 2021), pp. 1262-1273, virtual, Apr. 2021.(Best Paper Candidate)
  20. Shiyao Wang, Qi Liu, Tiezheng Ge, Defu Lian and Zhiqiang Zhang. A Hybrid Bandit Model with Visual Priors for Creative Ranking in Display Advertising. The 30th Web Conference (WWW 2021), pp. 2324-2334, virtual, Apr. 2021
  21. Jin Chen, Ju Xu, Gangwei Jiang, Tiezheng Ge, Zhiqiang Zhang, Defu Lian* and Kai Zheng. Automated Creative Optimization for E-Commerce Advertising. The 30th Web Conference (WWW 2021), pp. 2304-2313, virtual, Apr. 2021
  22. Jin Chen, Tiezheng Ge, Gangwei Jiang, Zhiqiang Zhang, Defu Lian* and Kai Zheng. Efficient Optimal Selection for Composited Advertising Creatives with Tree Structure. The 35th AAAI Conference on Artificial Intelligence (AAAI 2021), virtual, Feb. 2021
  23. Jinze Wu, Zhenya Huang, Qi Liu, Defu Lian, Hao Wang, Enhong Chen, Haiping Ma and Shijin Wang. Federated Deep Knowledge Tracing. The 14th ACM Conference on Web Search and Data Mining (WSDM 2021), Jerusalem, Israel, Mar. 2021
  24. Binbin Jin, Defu Lian*, Zheng Liu, Qi Liu, Jianhui Ma, Xing Xie and Enhong Chen. Sampling-Decomposable Generative Adversarial Recommender. The 34th Conference on Neural Information Processing Systems (NeurIPS 2020) 33, virtual, Dec. 2020, [PDF]
  25. Yan Zhang, Ivor W. Tsang, Hongzhi Yin, Guowu Yang, Defu Lian and Jingjing Li. Deep Pairwise Hashing for Cold-start Recommendation. IEEE Transactions on Knowledge and Data Engineering (IEEE TKDE), accepted, 2020.
  26. Chong Liu, Defu Lian*, Min Nie and Hu Xia. Online Optimized Product Quantization. The 20th IEEE International Conference on Data Mining (ICDM 2020), Sorrento, Italy, Nov. 2020.
  27. Kai Zheng, Yan Zhao, Defu Lian, Bolong Zheng, Guanfeng Liu and Xiaofang Zhou. Reference-based Framework for Spatio-temporal Trajectory Compression and Query Processing. IEEE Transaction on Knowledge and Data Engineering (IEEE TKDE), 32(11), pp. 2227-2240, 2020
  28. Jingang Jiang, Shuo Tao, Defu Lian*, Zhenya Huang and Enhong Chen. Predicting Human Mobility with Self-Attention and Feature Interaction. The 4th APWeb-WAIM International Joint Conference on Web and Big Data (APWeb-WAIM 2020), pp. 117-131, Tianjin, China, Aug. 2020.
  29. Jin Chen, Defu Lian* and Kai Zheng. Collaborative Filtering with Ranking-based Priors on Unknown Ratings. IEEE Intelligent System, 35(5), pp. 38-49, 2020.
  30. Defu Lian, Yongji Wu, Yong Ge, Xing Xie and Enhong Chen. Geography-Aware Sequential Location Recommendation. The 26th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD 2020), pp. 2009–2019, San Diego, CA, USA, Aug. 2020.
  31. Zheng Liu, Junhan Yang, Jianxun Lian, Defu Lian and Xing Xie. Octopus: Comprehensive and Elastic User Representation for the Generation of Recommendation Candidates. The 43rd ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2020), pp. 289–298, Xi'an, China, Jul. 2020.
  32. Le Wu, Yonghui Yang, Lei Chen, Defu Lian, Richang Hong and Meng Wang. Learning to Transfer Graph Embeddings for Inductive Graph based Recommendation. The 43rd ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2020), pp. 1211–1220, Xi'an, China, Jul. 2020.
  33. Hanchen Wang, Defu Lian*, Ying Zhang, Lu Qin and Xuemin Lin. GoGNN: Graph of Graphs Neural Network for Predicting Structured Entity Interactions. The 29th International Joint Conference on Artificial Intelligence (IJCAI 2020), pp. 1317-1323, Yokohama, Japan, Jul. 2020.
  34. Defu Lian, Qi Liu and Enhong Chen. Personalized Ranking with Importance Sampling. The 29th Web Conference (WWW 2020), pp. 1093–1103, Taipei, China, Apr. 2020, [PDF], [code].
  35. Defu Lian, Haoyu Wang, Zheng Liu, Jianxun Lian, Enhong Chen and Xing Xie. LightRec: a Memory and Search-Efficient Recommender System. The 29th Web Conference (WWW 2020), pp. 695–705, Taipei, China, Apr. 2020, [PDF].
  36. Yongji Wu, Defu Lian*, Yiheng Xu, Le Wu and Enhong Chen. Graph Convolutional Networks with Markov Random Field Reasoning for Social Spammer Detection. The 34th AAAI Conference on Artificial Intelligence (AAAI 2020), New York, USA, Feb. 2020, [PDF].
  37. Zhen Pan, Zhenya Huang, Defu Lian and Enhong Chen. A Variational Point Process Approach for Social Event Sequences. The 34th AAAI Conference on Artificial Intelligence (AAAI 2020), New York, USA, Feb. 2020
  38. 连德富, 谢幸, 陈恩红. 推荐系统中物品召回技术的研究进展. 南京信息工程大学学报, 2019年第3期, [PDF].
  39. Haoyu Wang, Defu Lian* and Yong Ge. Binarized Collaborative Filtering with Distilling Graph Convolutional Network. The 28th International Joint Conference on Artificial Intelligence (IJCAI 2019), pp. 4802-4808, Macao, China, Aug. 2019
  40. Yongji Wu, Defu Lian*, Shuowei Jin and Enhong Chen. Graph Convolutional Networks on User Mobility Heterogeneous Graphs for Social Relationship Inference. The 28th International Joint Conference on Artificial Intelligence (IJCAI 2019), pp. 3898-3904, Macao, China, Aug. 2019
  41. Hao Wang, Tong Xu, Qi Liu, Defu Lian, Enhong Chen, Dongfang Du, Han Wu and Wen Su. MCNE: An End-to-End Framework for Learning Multiple Conditional Network Representations of Social Network. The 25th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD 2019), Anchorage, Alaska, USA, Aug. 2019.
  42. Huaxiu Yao, Defu Lian*, Yi Cao, Yifan Wu and Tao Zhou. Predicting Academic Performance for College Students: A Campus Behavior Perspective. ACM Transactions on Intelligent Systems and Technology (ACM TIST), 10(3), 2019
  43. Haoyu Wang, Nan Shao and Defu Lian*. Adversarial Binary Collaborative Filtering For Implicit Feedback. The 33nd AAAI Conference on Artificial Intelligence (AAAI 2019), pp. 5248-5255, Honolulu, Hawaii, Jan. 2019
  44. Jin Chen, Defu Lian* and Kai Zheng. Improving One-Class Collaborative Filtering via Ranking-based Implicit Regularizer. The 33nd AAAI Conference on Artificial Intelligence (AAAI 2019), pp. 37-44, Honolulu, Hawaii, Jan. 2019
  45. Yan Zhao, Jinfu Xia, Guanfeng Liu, Han Su, Defu Lian, Shuo Shang and Kai Zheng. Preference-aware Task Assignment in Spatial Crowdsourcing. The 33nd AAAI Conference on Artificial Intelligence (AAAI 2019), pp. 2629-2636, Honolulu, Hawaii, Jan. 2019
  46. Yi Cao, Jian Gao, Defu Lian, Zhihai Rong, Jiatu Shi, Qing Wang, Yifan Wu, Huaxiu Yao and Tao Zhou. Orderness Predicts Academic Performance: Behavioral Analysis on Campus Lifestyle. Journal of the Royal Society Interface, 15(146), 2018
  47. Hong Yang, Shirui Pan, Peng Zhang, Ling Chen, Defu Lian and Chengqi Zhang. Binarized Attributed Network Embedding. The 18th IEEE International Conference on Data Mining (ICDM 2018), pp. 1476-1481, Singapore. Nov. 2018.
  48. Defu Lian and Qi Liu. Jointly Recommending Library Books and Predicting Academic Performance: A Mutual Reinforcement Perspective. Journal of Computer Science and Technology, 33(4), Jul. 2018
  49. Steven Mudda, Defu Lian, Silvia Giordano, Danyang Liu and Xing Xie. Spatial-Aware Deep Recommender System. The 15th IEEE International Conference on Ubiquitous Intelligence and Computing (UIC 2018), pp. 983-990, Guangzhou, China. Oct. 2018
  50. Defu Lian, Kai Zheng, Vincent W. Zheng, Yong Ge, Longbing Cao, Ivor W. Tsang and Xing Xie. High-order Proximity Preserving Information Network Hashing. The 24rd ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD 2018), pp. 1744-1753, London, UK. Aug. 2018
  51. Yan Zhang, Haoyu Wang, Defu Lian*, Ivor W. Tsang, Hongzhi Yin and Guowu Yang. Discrete Ranking-based Matrix Factorization with Self-Paced Learning. The 24rd ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD 2018), pp. 2758-2767, London, UK, Aug. 2018
  52. Qinyong Wang, Hongzhi Yin, Zhiting Hu, Defu Lian, Hao Wang and Zi Huang. Neural Memory Streaming Recommender Networks with Adversarial Training. The 24rd ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD 2018), pp. 2467-2475, London, UK, Aug. 2018
  53. Tianyu Zhu, Qi Liu, Zhenya Huang, Defu Lian, Enhong Chen, Yu Su and Guoping Hu. MT-MCD: A Multi-task Cognitive Diagnosis Framework for Student Assessment. The 23rd International Conference on Database Systems for Advanced Applications (DASFAA 2018), pp. 318-335, Gold Coast, Australia, May 2018.
  54. Defu Lian, Kai Zheng, Yong Ge, Longbing Cao, Enhong Chen and Xing Xie. GeoMF++: Scalable Location Recommendation via Joint Geographical Modeling and Matrix Factorization. ACM Transactions on Information Systems (TOIS), 36(3), Apr. 2018.
  55. Defu Lian, Yong Ge, Fuzheng Zheng, Nicholas Jing Yuan, Xing Xie, Tao Zhou and Yong Rui. Scalable Content-Aware Collaborative Filtering for Location Recommendation, IEEE Transaction on Knowledge and Data Engineering (IEEE TKDE), 30(6), Jun. 2018.
  56. Shoujin Wang, Liang Hu, Longbing Cao, Xiaoshui Huang, Defu Lian and Wei Liu. Attention-based Transactional Context Embedding for Next-Item Recommendation. The 32nd AAAI Conference on Artificial Intelligence (AAAI 2018), pp. 2532-2539, New Orleans, USA, Feb. 2018
  57. Guansong Pang, Longbing Cao, Ling Chen, Defu Lian and Huan Liu. Sparse Modeling-based Sequential Ensemble Learning for Effective Outlier Detection in High-dimensional Numeric Data. The 32nd AAAI Conference on Artificial Intelligence (AAAI 2018), pp.3892-3899, New Orleans, USA, Feb. 2018
  58. Yan Zhang, Hongzhi Yin, Zi Huang, Xingzhong Du, Guowu Yang and Defu Lian*. Discrete Deep Learning for Fast Content-Aware Recommendation. The 11th ACM International Conference on Web Search and Data Mining (WSDM 2018), pp. 717-726, Los Angeles, USA, Feb. 2018
  59. Defu Lian, Rui Liu, Yong Ge, Kai Zheng, Xing Xie and Longbing Cao. Discrete Content-aware Matrix Factorization. The 23rd ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD 2017), pp. 325-334, Halifax, Canada, Aug. 2017
  60. Huayu Li, Yong Ge, Defu Lian* and Hao Liu. Learning User Intrinsic and Extrinsic Interests for Point-of-Interest Recommendation: A Unified Approach. The 26th International Joint Conference on Artificial Intelligence (IJCAI 2017), pp. 2117-2123, Melbourne, Australia, Aug. 2017
  61. Min Nie, Lei Yang, Jun Sun, Han Su, Hu Xia, Defu Lian and Kai Yan. Advanced Forecasting Career Choice for College Students Based on Campus Big Data. Frontiers of Computer Science, 2018, 12 (3): 494-503.
  62. Han Su, Wei Chen, Rong Liu, Min Nie, Bolong Zheng, Zehao Huang and Defu Lian. GPS-Simulated Trajectory Detection. The 22nd International Conference on Database Systems for Advanced Applications (DASFAA 2017), pp. 581-593, Suchow, China, Mar. 2017
  63. Huaxiu Yao, Min Nie, Han Su, Hu Xia and Defu Lian*. Predicting Academic Performance via Semi-Supervised Learning with Constructed Campus Social Network. The 22nd International Conference on Database Systems for Advanced Applications (DASFAA 2017), pp. 597-609, Suchow, China, Mar. 2017
  64. Zimo Yang, Defu Lian, Nicholas Jing Yuan, Xing Xie, Yong Rui and Tao Zhou. Indigenization of urban mobility. Physica A: Statistical Mechanics and its Applications, 469: 232-243, 2017
  65. Yan Zhang, Defu Lian* and Guowu Yang. Discrete Personalized Ranking for Fast Collaborative Filtering from Implicit Feedback. The 31st AAAI Conference on Artificial Intelligence (AAAI 2017), pp. 1669-1675, San Francisco, USA, Feb. 2017
  66. Defu Lian, Zhenyu Zhang, Yong Ge, Fuzheng Zhang, Nicholas Jing Yuan and Xing Xie. Regularized Content-Aware Tensor Factorization Meets Temporal-Aware Location Recommendation. 16th IEEE International Conference on Data Mining (ICDM 2016), pp. 1029-1034, Barcelona, Spain, Nov. 2016
  67. Defu Lian, Qi Liu, Wenya Zhu, Xing Xie and Hui Xiong. Mutual Reinforcement of Academic Performance Prediction and Library Book Recommendation. 16th IEEE International Conference on Data Mining (ICDM 2016), pp. 1023-1028, Barcelona, Spain, Nov. 2016
  68. Min Nie, Lei Yang, Bin Ding, Hu Xia, Huachun Xu and Defu Lian. Forecasting Career Choice for College Students Based on Campus Big Data. The 18th Asia Pacific Web Conference (APWeb 2016), pp. 359-370, Suchow, China, Sep. 2016. (Best student paper runner up)
  69. Yan Zhang, Guowu Yang, Defu Lian, Hong Wen and Jinsong Wu. Constraint Free Preference Preserving Hashing for Fast Recommendation. 2016 IEEE global communications conference (GLOBECOM 2016), pp. 1-6, Washington DC, USA, Dec. 2016.
  70. Fuzheng Zhang, Nicholas Jing Yuan, Defu Lian, Xing Xie and Wei-Ying Ma. Collaborative Knowledge Base Embedding for Recommender Systems. The 22nd ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD 2016), pp. 353-362, San Francisco, USA, Aug. 2016.
  71. Huayu Li, Richang Hong, Defu Lian, Zhiang Wu, Meng Wang and Yong Ge. A Relaxed Ranking-based Factor Model for Recommender System from Implicit Feedback. The 25th International Joint Conference on Artificial Intelligence (IJCAI 2016), pp. 1683-1689, New York, USA, Jul. 2016
  72. Defu Lian, Yong Ge, Nicholas Yuan, Xing Xie and Hui Xiong. Sparse Bayesian Content-Aware Collaborative Filtering for Implicit Feedback. 25th International Joint Conference on Artificial Intelligence (IJCAI 2016), pp. 1732-1738, New York, USA, Jul. 2016.
  73. Jie Bao, Defu Lian, Fuzheng Zhang and Nicholas Jing Yuan. Geo-social media data analytic for user modeling and location-based services. SIGSPATIAL Special, 3(7), 2016
  74. Fuzheng Zhang, Nicholas Jing Yuan, Kai Zheng, Defu Lian, Xing Xie and Yong Rui. Exploiting Dining Preference for Restaurant Recommendation. 25th International World Wide Web Conference (WWW 2016), pp. 725-735, Montreal, Canada, Apr. 2016.
  75. Defu Lian, Yong Ge, Fuzheng Zhang, Nicholas Jing Yuan, Xing Xie, Tao Zhou and Yong Rui. Content-Aware Collaborative Filtering for Location Recommendation based on Human Mobility Data. 15th IEEE International Conference on Data Mining (ICDM 2015), pp. 261-270, Atlantic City, USA, Nov. 2015
  76. Xianming Li, Defu Lian, Xing Xie and Guangzhong Sun. Lifting the Predictability of Human Mobility on Activity Trajectories. The First International Workshop on Mobile Data Mining & Human Mobility Computing (MDM & HuMoCom 2015), pp. 1063-1069, Atlantic City, USA, Nov. 2015
  77. Fuzheng Zhang, Nicholas Jing Yuan, Kevin Zheng, Defu Lian, Xing Xie and Yong Rui. Mining Consumer Impulsivity from Offline and Online Behavior. 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2015), pp. 1281-1292, Osaka, Japan, Sep. 2015
  78. Defu Lian, Xing Xie, Fuzheng Zhang, Nicholas Jing Yuan, Tao Zhou and Yong Rui. Mining Location-Based Social Networks: A Predictive Perspective. IEEE Data Engineering Bulletin, 38(2), Jun. 2015
  79. Yingzi Wang, Nicholas Jing Yuan, Defu Lian, Linli Xu, Xing Xie, Enhong Chen and Yong Rui. Regularity and Conformity: Location Prediction Using Heterogeneous Mobility Data. 21st ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD 2015), pp. 1275-1284, Sydney, Australia, Aug. 2015.
  80. Defu Lian, Xing Xie, Vincent W. Zheng, Nicholas Jing Yuan, Fuzheng Zhang and Enhong Chen. CEPR: A Collaborative Exploration and Periodically Returning Model for Location Prediction. ACM Transactions on Intelligent Systems and Technology (ACM TIST), 6(1), April, 2015
  81. Defu Lian and Nicholas Jing Yuan. Mobile Check-In Recommendation. Encyclopedia of GIS (2015): 1-10.
  82. Defu Lian, Cong Zhao, Xing Xie, Guangzhong Sun, Enhong Chen and Yong Rui. GeoMF: joint geographical modeling and matrix factorization for point-of-interest recommendation. 20th ACM SIGKDD international conference on Knowledge discovery and data mining (KDD 2014), pp. 831-840, New York, USA, Aug. 2014
  83. Defu Lian and Xing Xie. Mining check-in history for personalized location naming. ACM Transactions on Intelligent Systems and Technology (ACM TIST), 5(2), Apr. 2014
  84. Fuzheng Zhang, Nicholas Jing Yuan, Defu Lian and Xing Xie. Mining novelty-seeking trait across heterogeneous domains. 23rd international conference on World Wide Web (WWW 2014), pp. 373-384, Seoul, Korea, Apr. 2014.
  85. Defu Lian, Yin Zhu, Xing Xie and Enhong Chen. Analyzing location predictability on location-based social networks. In Advances in Knowledge Discovery and Data Mining (PAKDD 2014), pp. 102-113, Taiwan, China, May 2014.
  86. Nicholas Jing Yuan, Fuzheng Zhang, Defu Lian, Kai Zheng, Siyu Yu and Xing Xie. We know how you live: exploring the spectrum of urban lifestyles. In Proceedings of the first ACM conference on Online social networks (COSN 2013), pp. 3-14, Boston, USA, Oct. 2013.
  87. Defu Lian, Vincent W. Zheng and Xing Xie. Collaborative filtering meets next check-in location prediction. the 22nd international conference on World Wide Web (WWW 2013), pp. 231-232, Rio de Janeiro, Brazil, May 2013.
  88. Jing Yuan, Guangzhong Sun, Tao Luo, Defu Lian and Guoliang Chen. Efficient processing of top-k queries: selective NRA algorithms. Journal of Intelligent Information Systems, 39(3), 687-710, Dec. 2012
  89. Defu Lian and Xing Xie. Learning location naming from user check-in histories. In Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (GIS 2011). pp. 112-121, Chicago, USA, Nov. 2011

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