Yanyan Lan

（兰艳艳）

Associate Professor

CAS Key Lab of Web Data Science and Technology

Institute of Computing Technology

Chinese Academy of Sciences

  • Email : lanyanyan@ict.ac.cn
  • Address : NO. 6, South Road, Kexueyuan, Zhongguancun, Beijing, P.R.China, 100190
  • Biography
  • Publication
  • Projects

Yanyan Lan received the B.E. degree in Statistics from Shandong University, Jinan, China, in 2005 and the Ph.D. degree in Probability and Statistics from the Institute of Applied Mathematics, Academy of Mathematics and System Sciences, Chinese Academy of Sciences, Beijing, China, in 2011. She is currently an Associate Professor in Institute of Computing Technology, Chinese Academy of Sciences. She leads a research group working on Big Data and Machine Learning. Her current research interests include Machine Learning, Web Search and Data Mining, and Big Data Analysis. She has published over 30 papers on top conferences including ICML, NIPS, SIGIR, WWW et al., and the paper entitled "Top-k Learning to Rank: Labeling, Ranking, and Evaluation" has won the Best Student Paper Award of SIGIR 2012. She is currently a visiting researcher in UC Berkeley (from April 2018 to March 2019).

Hornors and Awards
  • Best Paper Runner-Up Award of CIKM (2017)
  • Outstanding Reviewer of SIGIR (2017)
  • Youth Innovation Promotion Association，CAS (2016)
  • First Prize of Qian Weichang Chinese Information Processing Science and Technology Award (2014)
  • The One-Hundred Research Stars Award of Institute of Computing Technology, CAS (2012)
  • Best Student Paper Award of SIGIR (2012)
  • Microsoft Fellowship (2008)
  • Special Grade of Dean’s Scholarship of Academy of Mathematics and System Sciences, CAS (2008)
  • President’s Award of Shandong University (2005)
Academic Services
  • Senior PC Member of international academic conferences(IJCAI, ACML etc.).
  • PC Member of international academic conferences(SIGIR, NIPS, KDD, CIKM, WSDM etc.).
  • Reviewer of international academic journals(IEEE TKDE, IEEE TIST, ACM TOIS and Information Retrieval Journal etc.).
2019
  • Liang Pang, Yanyan Lan, Jiafeng Guo, Jun Xu and Xueqi Cheng. HAS-QA: Hierarchical Answr Spans Model for Open-Domain Question Answering. Proceedings of the 33th AAAI Conference on Artificial Intelligence. (AAAI 2019)
  • Jianing Li, Yanyan Lan, Jiafeng Guo, Jun Xu and Xueqi Cheng. Differentiated Distribution Recovery for Neural Text Generation. Proceedings of the 33th AAAI Conference on Artificial Intelligence. (AAAI 2019)
    • 2018
    • Hainan Zhang, Yanyan Lan, Jiafeng Guo, Jun Xu and Xueqi Cheng. Tailored Sequence to Sequence Models for Different Conversation Scenarios. The 56th Annual Meeting of the Association for Computational Linguistics. (ACL 2018)
    • Ruqing Zhang, Jiafeng Guo, Yixing Fan, Yanyan Lan, Jun Xu, and Xueqi Cheng. Learning to Control the Specificity in Neural Response Generation. The 56th Annual Meeting of the Association for Computational Linguistics. (ACL 2018)
    • Hainan Zhang, Yanyan Lan, Jiafeng Guo, Jun Xu and Xueqi Cheng. Reinforcing Coherence for Sequence to Sequence Model in Dialogue Generation. The 27th International Joint Conference on Artificial Intelligence and the 23rd European Conference on Artificial Intelligence. (IJCAI-ECAI 2018)
    • Yixing Fan, Jiafeng Guo, Yanyan Lan, Jun Xu, Chengxiang Zhai and Xueqi Cheng. Modeling Diverse Relevance Patterns in Ad-hoc Retrieval. Proceedings of the 41th annual international ACM SIGIR conference on Research and development in information retrieval. (SIGIR 2018)
    • Yue Feng, Jun Xu, Yanyan Lan, Jiafeng Guo, Wei Zeng and Xueqi Cheng. From Greedy Selection to Exploratory Decision-Making: Diverse Ranking with Policy-Value Networks. Proceedings of the 41th annual international ACM SIGIR conference on Research and development in information retrieval. (SIGIR 2018)
    • Sihao Yu, Jun Xu, Yanyan Lan, Jiafeng Guo, and Xueqi Cheng. Variance Reduction of Policy Gradient Bandit Problem via Antithetic Variates. Proceedings of the 41th annual international ACM SIGIR conference on Research and development in information retrieval. (SIGIR 2018)
    • Ruqing Zhang, Jiafeng Guo, Yanyan Lan, Jun Xu and Xueqi Cheng. Spherical Paragraph Model. Proceedings of the 40th European Conference on Information Retrieval. (ECIR 2018)
    • Ruqing Zhang, Jiafeng Guo, Yanyan Lan, Jun Xu and Xueqi Cheng. Aggregating Neural Word Embeddings for Document Representation. Proceedings of the 40th European Conference on Information Retrieval. (ECIR 2018)
    • Yan Xiao, Jiafeng Guo, Yanyan Lan, Jun Xu and Xueqi Cheng. Fast Approximate Nearest Neighbor Search via k-Diverse Nearest Neighbor Graph. Proceedings of the 32th AAAI Conference on Artificial Intelligence. (AAAI 2018)
      • 2017
      • Liang Pang, Yanyan Lan, Jiafeng Guo, Jun Xu and Xueqi Cheng. DeepRank: a New Deep Architecture for Relevance Ranking in Information Retrieval. Proceedings of the 26th ACM International Conference on Information and Knowledge Management. (CIKM 2017)
      • Yixing Fan, Jiafeng Guo, Yanyan Lan, Jun Xu, Liang Pang and Xueqi Cheng. Learning Visual Features from Snapshots for Web Search. Proceedings of the 26th ACM International Conference on Information and Knowledge Management. (CIKM 2017 Best Student Paper Award)
      • Liang Pang, Yanyan Lan, Jiafeng Guo, Jun Xu and Xueqi Cheng. A Deep Investigation of Deep IR Models. Neu-IR: The SIGIR 2017 Workshop on Neural Information Retrieval. (SIGIR2017)
      • Jiafeng Guo, Xiaofei Zhu, Yanyan Lan, and Xueqi Cheng. Modeling Users' Search Sessions for High Utility Query Recommendation. Information Retrieval Journal. (IRJ 2017)
      • Yixing Fan, Liang Pang, Jianpeng Hou, Jiafeng Guo, Yanyan Lan, Jun Xu and Xueqi Cheng. MatchZoo: A Toolkit for Deep Text Matching. Neu-IR: The SIGIR 2017 Workshop on Neural Information Retrieval. (SIGIR2017)
      • Liang Pang, Yanyan Lan, Jun Xu, Jiafeng Guo and Xueqi Cheng. Locally Smoothed Neural Networks. The 9th Asian Conference on Machine Learning. (ACML 2017)
      • Long Xia, Jun Xu, Yanyan Lan, Jiafeng Guo, Wei Zeng and Xueqi Cheng. Adapting Markov Decision Process for Search Result Diversification. Proceedings of the 40th annual international ACM SIGIR conference on Research and development in information retrieval. (SIGIR 2017)
      • Wei Zeng, Jun Xu, Yanyan Lan, Jiafeng Guo and Xueqi Cheng. Reinforcement Learning to Rank with Markov Decision Process. Proceedings of the 40th annual international ACM SIGIR conference on Research and development in information retrieval. (SIGIR 2017 short)
      • Jun Xu, Long Xia, Yanyan Lan, Jiafeng Guo and Xueqi Cheng. Directly Optimize Diversity Evaluation Measures: A New Approach to Search Result Diversification. ACM Transactions on Intelligent Systems and Technology (TIST), Volume 8, Issue 3, Article 41, pp.41:1-41:26, Jan.2017.[pdf]
        • 2016
        • Shengxian Wan, Yanyan Lan, Jiafeng Guo, Jun Xu, Liang Pang and Xueqi Cheng. Match-SRNN: Modeling the Recursive Matching Structure with Spatial RNN. Proceedings of the 25th International Joint Conference on Artificial Intelligence. (IJCAI 2016)[pdf]
        • Fei Sun, Jiafeng Guo, Yanyan Lan, Jun Xu, and Xueqi Cheng. Sparse Word Embeddings Using L1 Regularized Online Learning. Proceedings of the 25th International Joint Conference on Artificial Intelligence. (IJCAI 2016)[pdf]
        • Long Xia, Jun Xu, Yanyan Lan, Jiafeng Guo and Xueqi Cheng. Modeling Document Novelty with Neural Tensor Network for Search Result Diversification. Proceedings of the 39th annual international ACM SIGIR conference on Research and development in information retrieval. (SIGIR 2016)[pdf]
        • Liang Pang, Yanyan Lan, Jiafeng Guo, Jun Xu, and Xueqi Cheng. Text Matching as Image Recognition. Proceedings of the 30th AAAI Conference on Artificial Intelligence. (AAAI 2016) [pdf]
        • Shengxian Wan, Yanyan Lan, Jiafeng Guo, Jun Xu, and Xueqi Cheng. A Deep Arhitecture for Semantic Matching with Multiple Positional Sentence Representations. Proceedings of the 30th AAAI Conference on Artificial Intelligence. (AAAI 2016) [pdf]
        • Fei Sun, Jiafeng Guo, Yanyan Lan, Jun Xu, and Xueqi Cheng. Inside Out: Two Jointly Predictive Models for Word Representations and Phrase Representations. Proceedings of the 30th AAAI Conference on Artificial Intelligence. (AAAI 2016) [pdf]
        • Liang Pang, Yanyan Lan, Jiafeng Guo, Jun Xu, and Xueqi Cheng. SPAN: Understanding a Question with its Support Answers.([poster) Proceedings of the 30th AAAI Conference on Artificial Intelligence. (AAAI 2016,short paper) [pdf]
        • Pengfei Wang, Jiafeng Guo, Yanyan Lan, Jun Xu and Xueqi Cheng. Your Carts Tell You: Inferring Demographic Attributes from Purchase Data. Proceedings of the 9th ACM International Conference on Web Search and Data Mining. (WSDM 2016) [pdf]
        • Pengfei Wang, Jiafeng Guo, Yanyan Lan, Jun Xu and Xueqi Cheng. Multi-task Representation Learning for Demographic Prediction. Proceedings of the 37th European Conference on Information Retrieval. (ECIR 2016)[pdf]
        2015
        • Yaogong Zhang, Jun Xu, Yanyan Lan, Jiafeng Guo, Maoqiang xie, Yalou Huang, and Xueqi Cheng. Modeling Parameter Interaction in Ranking SVM. Proceedings of the 24th ACM International Conference on Information and Knowledge Management, Melbourne, Australia. (CIKM2015) [pdf] [poster]
        • Shuzi Niu, Yanyan Lan, Jiafeng Guo, Shengxian Wan and Xueqi Cheng. Whchi Noise Affect Algorithm Robustness for Learning to Rank. Information Retrieval Journal(IRJ), 2015.[pdf]
        • Long Xia, Jun Xu, Yanyan Lan, Jiafeng Guo and Xueqi Cheng. Learning Maximal Marginal Relevance Model via Directly Optimizing Diversity Evaluation Measures. Proceedings of the 38th annual international ACM SIGIR conference on Research and development in information retrieval, Santiago, Chile. (SIGIR 2015) [pdf] [slides]
        • Pengfei Wang, Jiafeng Guo, Yanyan Lan, Jun Xu and Xueqi Cheng. Learning Hierarchical Representation Model for Next Basket Recommendation. Proceedings of the 38th annual international ACM SIGIR conference on Research and development in information retrieval, Santiago, Chile. (SIGIR 2015) [pdf] [slides]
        • Fei Sun, Jiafeng Guo, Yanyan Lan, Jun Xu and Xueqi Cheng. Learning Word Representation by Jointly Modeling Syntagmatic and Paradigmatic Relations. Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics and the 7th International Joint Conference of the Asian Federation of Natural Language Processing, Beijing, China. (ACL-IJCNLP 2015) [pdf] [slides]
        • Shuzi Niu, Yanyan Lan, Jiafeng Guo, Lei Yu，Guoping Long and Xueqi Cheng. Listwise Approach for Rank Aggregation in Crowdsouring. Proceedings of the 8th ACM International Conference on Web Search and Data Mining, Shanghai, Beijing. (WSDM 2016) [pdf] [slides] [poster]
        • Xiaohui Yan, Jiafeng Guo, Yanyan Lan, Jun Xu and Xueqi Cheng. A Proababilistic Model for Bursty Topic Discovery in Microblogs. Proceedings of the 29th AAAI Conference on Artificial Intelligence. (AAAI 2015) [pdf] [slides]
        • Jianguo Wang, Joshua Zhexue Huang, Jiafeng Guo, Yanyan Lan. Recommending high-utility search engine queries via a query-recommending model. Neurocomputing. Volume 167 Issue C, Pages 195-208, November 2015 [pdf].
        2014
        • Xueqi Cheng, Xiaohui Yan, Yanyan Lan, and Jiafeng Guo. BTM: Topic Modeling over Short Texts. IEEE TKDE, 2014.[pdf]
        • Yanyan Lan, Yadong Zhu, Jiafeng Guo, Shuzi Niu and Xueqi Cheng. Position-Aware ListMLE: A Sequential Learning Proess for Ranking. UAI, 2014.[pdf] [spotlight] [poster]
        • Yadong Zhu, Yanyan Lan, Jiafeng Guo, Xueqi Cheng and Shuzi Niu. Learning for Search Result Diversification. Proceedings of the 37th annual international ACM SIGIR conference on Research and development in information retrieval.(SIGIR 2014) [pdf]
        • Shuzi Niu, Yanyan Lan, Jiafeng Guo, Xueqi Cheng and Xiubo Geng. What Makes Data Robust: A Data Analysis in Learning to Rank. (short paper) Proceedings of the 37th annual international ACM SIGIR conference on Research and development in information retrieval.(SIGIR 2014) [pdf] [poster]
        • Zhenhong Chen, Yanyan Lan, Jiafeng Guo, Jun Xu, Xueqi Cheng, Alternating Mixing Stochastic Gradient Descent for Large-scale Matrix Factorization. International workshop on Data Science and Network Big Data Analytics in International Conference on Data Mining, Shenzhen, China. (ICDM 2014) [pdf] [poster]
        • Pengfei Wang, Jiafeng Guo, Yanyan Lan, Xueqi Cheng, Modeling Retail Transaction Data for Personalized Shopping Recommendation. Proceedings of The 23th ACM Conference on Information and Knowledge Management, Shanghai, China. (CIKM 2014) [pdf] [poster]
        • Lu Bai, Jiafeng Guo, Yanyan Lan, Xueqi Cheng. Local Linear Matrix Factorization for Document Modeling.Proceedings of the 35th European Conference on Information Retrieval. (ECIR 2014) [pdf] [slides]
        • Zhongxiang Chen, Jiafeng Guo, Yanyan Lan, Lei Cao, Xueqi Cheng, Name Disambiguation by Collective Classification. Information Retrieval Technology. (AIRS 2014) [pdf]
        2013
        • Yanyan Lan, Shuzi Niu, Jiafeng Guo, Xueqi Cheng, Is Top-k Sufficient for Ranking. The 22th ACM Conference on Information and Knowledge Management, San Francisco, USA. (CIKM 2013) [pdf] [slides]
        • Yadong Zhu, Yanyan Lan, Jiafeng Guo, Xueqi Cheng, A Novel Relational Learning-to-Rank Approach for Topic-Focused Multi-Document Summarization. IEEE International Conference on Data Mining, Dallas, USA. (ICDM 2013) [pdf] [slides]
        • Shuzi Niu, Yanyan Lan, Jiafeng Guo, Xueqi Cheng, Stochastic Rank Aggregation. Association for Uncertainty in Artificial Intelligence. (UAI 2013) [pdf] [slides]
        • Shengxian Wan, Yanyan Lan, Jiafeng Guo, Chaosheng Fan and Xueqi Cheng, Informational friend recommendation in social media.(short paper) In Proceedings of the 36th international ACM SIGIR conference on Research and development in information retrieval=, pages 1045-1048, 2013. (SIGIR 2013) [pdf] [poster]
        • Chaosheng Fan, Yanyan Lan, Jiafeng Guo, Zuoquan Lin and Xueqi Cheng, Collaborative factorization for recommender systems. (short paper) In Proceedings of the 36th international ACM SIGIR conference on Research and development in information retrieval, pages 949-953, 2013. (SIGIR 2013) [pdf] [poster]
        • Xiaohui Yan, Jiafeng Guo, Yanyan Lan, Xueqi Cheng, A Biterm Topic Model for Short Texts. World Wide Web, 2013, Rio Ode Karo, Brazil. (WWW 2013) [pdf] [slides] [code(c++)]
        • Lu Bai, Jiafeng Guo, Yanyan Lan, Xueqi Cheng, Group Sparse Topical Coding: From Code to Topic. The Sixth ACM WSDM Conference, Rome, Italy, 2013. (WSDM 2013) [pdf] [spotlight] [poster]
        2012
        • Yanyan Lan, Jiafeng Guo, Xueqi Cheng, Tie-Yan Liu, Statistical Consistency of Ranking Methods in A Rank-Differentiable Probability Space. Proceedings of Neural Information Processing Systems 2012, Lake Tahoe, Nevada, United States, 2012.(NIPS 2012) [pdf] [spotlight] [poster]
        • Shuzi Niu, Jiafeng Guo, Yanyan Lan, Xueqi Cheng, Top-k learning to rank labeling, ranking and evaluation. Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval, Portland, Oregon, USA, August 2012. (SIGIR 2012, Best Student Paper Award) [pdf] [slides]
        • Shuzi Niu, Yanyan Lan, Jiafeng Guo, Xueqi Cheng, A New Probabilistic Model for Top-k Ranking Problem. (short paper) Proceedings of The 21th ACM Conference on Information and Knowledge Management. (CIKM 2012) [pdf] [poster]
        • Xiaofei Zhu, Jiafeng Guo, Yanyan Lan, Xueqi Cheng, More Than Relevance High Utility Query Recommendation By Mining Users Search Behaviors. (short paper) Proceedings of The 21th ACM Conference on Information and Knowledge Management. (CIKM 2012) [pdf] [poster]
        2009
        • Yanyan Lan, Tie-Yan Liu, Zhiming Ma, Hang Li, Generalization Analysis of Listwise Learning-to-Rank Algorithms. Proceedings of the 26th International Conference on Machine Learning, (ICML 2009) [pdf]
        • Wei Chen, Tie-Yan Liu, Yanyan Lan, Zhiming Ma, Hang Li, Ranking Measures and Loss Functions in Learning to Rank. Proceedings of the 24th Annual Conference on Neural Information Processing Systems Foundation, (NIPS 2009) [pdf]
        2008
        • Yanyan Lan, Tie-Yan Liu, Zhiming Ma, Hang Li, Query-Level Stability and Generalization in Learning to Rank. Proceedings of the 25th International Conference on Machine Learning, (ICML 2008) [pdf]
      NSFC Projects
      • Algorithm and Theory of Learning-to-Rank based on User Evaluation Measure (Grant No. 61203298) (2013.01-2015.12)
      973 Projects
      • Fundamental Theories and Applications of Web Big Data (participation) (2014.01-2018.12)