Integrating Geospatial Technologies into Higher Education Hongmian Gong Department of Geography Hunter College and Graduate Center of City University of New York
Building a Multi-Modal Network Line Feature Class 1 2 3 4 5 Commuter Rail X Commuter Rail to Street Links Commuter Rail to Subway Links Streets Subway Entrances to Station Links Subway Subway Transfer Links
Mode Detection Success Rate Identified by GIS algorithm as: Success rate Walk Subway Rail Car Bus Unknown 182 11 4 92% 40 3 15 66% 1 5 8 36% 2 37 84% 7 63% Total 186 41 66 27 83%
(Volunteered Geographic Information) VGI (Volunteered Geographic Information)
Web GIS
Selecting a Trip Segment and Changing the Mode
Elastic Load Balancer
Three Main Components Cloud Computing User Interface Web GIS Interface Database App & Twitter GPS Tweets GeoEvent Processor Map Edit
Work done: http://www.nymtc.org/project/surveys/GPS/GPS.html Chen, C., H. Gong, C. T. Lawson, E. Biolostozky. 2010. Evaluating the feasibility of a passive travel survey collection in a complex urban environment: Lessons learned from the New Yor City case study. Transportation Research Part A 44:830-840. Gong, H., Chen, C., E. Biolostozky, C. T. Lawson. 2012. A GPS/GIS method for travel mode detection in New York City. Computer, Environment and Urban Systems 36:131-139. Gong, H. 2012. Jobs-housing balance, transit-oriented development, and commute Time: Integrating GPS and GIS, in Economic Development and GIS, eds. J. M. Pogodzinski and R. M. Kos. Redlands, ESRI Press. Zhang, J., C. Kamga, H. Gong, and L. Gruenwald. 2012. U2SOD-DB: Design of an Efficient Database System to Manage Large-Scale Ubiquitous Urban Sensing Origin-Destination Data. Proceedings of the ACM SIGKDD International Workshop on Urban Computing, Beijing, August 12-16, pp. 163-171. Available at: http://dl.acm.org/citation.cfm?id=2346522. Transportation Symposiums, 2013, 2014, 2015, 2016