Experience

App/Demo Experience

  • ASDO : ASDO Demo for Spatial Analytical Queries.
  • NewsStand : a map interface to explore the real time news from hundreds news sources in the world.
  • Geollery : a map interface to explore the interesting images from Instagram.
  • TwitterStand : a map interface to explore the real time news collected from Twitter.

Publications

  • Simplification and Refinement for Speedy Spatio-temporal Hot Spot Detection Using Spark (GIS Cup) [slides] [paper]
    Shangfu Peng, Hong Wei, Hao Li, and Hanan Samet
    To appear in SIGSPATIAL 2016.

  • CDO: Extremely High-Throughput Road Distance Computations on City Road Networks (Best Demo Award) [poster] [paper]
    Shangfu Peng and Hanan Samet
    To appear in SIGSPATIAL 2016.

  • Streaming News Image Summarization
    Hao Li, Shangfu Peng, and Hanan Samet
    To appear in International Conference on Pattern Recognition (ICPR), 2016

  • SPDO: High-Throughput Road Distance Computations on Spark using Distance Oracles [slides] [paper]
    Shangfu Peng, Jagan Sankaranarayanan, and Hanan Samet
    ICDE 2016.

  • Analytical Queries on Road Networks: An Experimental Evaluation of Two System Architectures [anim] [cumul] [paper]
    Shangfu Peng and Hanan Samet
    SIGSPATIAL 2015.

  • Viewing Streaming Spatially-Referenced Data at Interactive Rates (short paper) [poster] [paper]
    Shangfu Peng, Hanan Samet, and Marco D. Adelfio
    SIGSPATIAL 2014.

  • Query optimization for differentially private data management systems [paper]
    Shangfu Peng, Yin Yang, Zhenjie Zhang, Marianne Winslett and Yong Yu
    ICDE 2013.

  • DP-tree: indexing multi-dimensional data under differential privacy (poster) [poster]
    Shangfu Peng, Yin Yang, Zhenjie Zhang, Marianne Winslett and Yong Yu
    SIGMOD 2012.