• Oracle Lab, Redwood, USA, Apr. 2013, - “Recent Advances in Graph Structure Search” [slides]
• Donghua University, China, Dec. 2012, - “Optimization Techniques for Structural Similarity Computation on Large Graphs ” [slides]

• An Efficient Multi-Hop Neighbor Search Scheme for Synonymy Extraction, Beijing, China, Jul 2015
  The 53rd Annual Meeting of the Association for Computational Linguistics. (ACL'15)
• Locating Water Burst Event via SimRank-Based Similarity Search, London, UK, Mar 2015
  Department of Civil Engineering, Imperial College London,
• Graph Structure Search for Water Loss Event Localization, London, UK, Dec 2014
  NEC Research Lab in London,
• Enhancing Semantics of Structural Similarity Retrieval, Hangzhou, China, Sep 2014
  The 40th International Conference on Very Large Data Base (VLDB'14)
  
• Graph Topology-Based K Nearest Neighbors Search, Saarbrucken, Germany, Feb 2014
  Max-Planck Institute
• Incrementally Evaluating Link-Based Similarities on Dynamic Graphs, Canada, Jan 2014
  University of British Columbia
• Efficiently Assessing Pairwise Relevance on Time-Varying Networks, Chicago, USA, Apr 2014
  The 30th IEEE International Conference on Data Engineering (ICDE'14)
  
• A Demo Search Engine for Link Prediction, Brisbane, Australia, Jan 2013
  CSIRO, Australia E-Health Research Center
  
• Incremental Random Walk Search Engine on Web Graphs, Dublin, Ireland, Jul 2013
  The 36th ACM SIGIR International Conference (SIGIR'13)
  
• Fast SimRank Search on Large Networks, Brisbane, Australia, May 2013
  The 29th IEEE International Conference on Data Engineering (ICDE'13)
  
• Towards Efficient Hyperlink Analysis on Large Network Data, Kensington, Australia, Oct 2012
  NICTA Research Center
• Diffusion-based Ranking Model, Portland, USA, Aug 2012
  The 35th ACM SIGIR International Conference (SIGIR'12)
  
• Structural Similarity Assessment on Massive Graphs, Shanghai, China, Feb 2012
  School of Software, East China Normal University
  
• Efficiently Computing Pair-wise Relevance on Collaborative Filtering, Shanghai, China, May 2012
  Department of Computer Science & Technology, Donghua University
  
• Web Data Management on Large Graphs, Shanghai, China, Jan 2012
  Hewlett-Packard Co., Ltd