Geotagging Social Media for
Enhanced Location-based Search


主题:   Geotagging Social Media for Enhanced Location-based Search 主讲人:   Yan Huang地点:   松江校区1号学院楼140报告厅时间:   2017-06-19 13:30:00组织单位:   计算机科学与技术学院


Yan Huang (PhD, University of Minnesota) received her B.S. degree in Computer Science from Peking University, Beijing, China, 1997 and Ph.D. degree in, Computer Science from University of Minnesota, USA, 2003. She is currently a professor at the Department of Computer Science and Engineering and the Associate Dean for Research and Graduate Studies at the University of North Texas, Denton, TX, USA. Her research interests include machine learning and data mining especially from big geo-referenced datasets such as social media and transportation data, smart transportation, and geo-stream data processing. She has been a visiting scholar of 微软 Research Asia May – August 2011. During Fall 2011, she visited Fudan University, China. Currently, she is on the Board of Directors of The SSTDEndowment (2014-2019), is the general chair of SSTD  2017, was the General Chair of ACM SIGSPATIAL 2014 and 2015, and on the Executive Committee of ACMSIGSPATIAL (2010-2014). She received Distinguished Service Award from ACMSIGSpatialin2010. Her research has been/is supported by Texas Advanced Research Program (ARP), Oak Ridge National Lab, National Science Foundation, Texas Department of Transportation, and U.S. Department of Defense.


The number of worldwide social network users is expected to reach 2.5 billion by 2018 (1/3 of Earth’s population). A tremendous amount of information is being shared everyday on social media sites.  This massive popularity has lends itself to event detection (social gatherings, natural disaster occurrences, and insurgent activities). Spatiotemporal analytics from social media can assist assimilating social media information of interest in targeted geographic regions and to staying informed about emerging issues related to national security. We present our work in the area of generating spatiotemporal intelligence in terms of geotagging, location recognition, spatiotemporal correlation detection, and event detection from big social media data and outline challenges and opportunities.  


视频:   摄影: 撰写:李继云  信息员:李倩  编辑:向娟



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