Hongbo Yu
         
Research
  • Towards a GIS-based Analytical Time-geographic Framework for Physical and Virtual Activities
  • Co-PI (PI: Shih-Lung Shaw, The University of Tennessee, Knoxville)
  • Duration: August 2006 -- July 2008
  • For more information, please visit the project web site. [Web site at OSU] or [Web site at UTK]
  • Shaw, S-L. and H. Yu (2009). A GIS-based time-geographic approach of studying individual activities and interactions in a hybrid physical–virtual space. Journal of Transport Geography, in press. (doi:10.1016/j.jtrangeo.2008.11.012).
  • Yu, H. and S-L. Shaw (2008). A space-time GIS for exploring stations in large tracking datasets of moving objects. In T. Cova et al (eds.) Proceedings of the 5th International Conference on Geographic Information Science (Extended Abstracts), Park City, UT, September 23-26, 2008, pp. 220-225.
  • Shaw, S-L., H. Yu, and L. Bombom (2008). A space-time GIS approach to exploring large individual-based spatiotemporal datasets. Transactions in GIS, 12(4), 425-441. [InterScience Link]
  • Yu, H. and S-L. Shaw (2008). Exploring potential human activities in physical and virtual spaces: A spatio-temporal GIS approach. International Journal of Geographic Information Science, 22(4), 409-430. [Draft - PDF] [ informaworld Link]
  • Yu, H. (2007). Visualizing and analyzing activities in an integrated space-time environment: temporal GIS design and implementation. Transportation Research Record: Journal of the Transportation Research Board, 2024, 54-62. [Draft - PDF] [TRB Link]
  • Yu, H. and S-L. Shaw (2007). Revisiting Hägerstrand’s time-geographic framework for individual activities in the age of instant access. In H. Miller (ed.) Societies and Cities in the Age of Instant Access. Dordrecht, The Netherlands: Springer Science, 103-118. [Draft - PDF]
  • Yu, H. (2006). Spatio-temporal GIS design for exploring interactions of human activities. Cartography and Geographic Information Science, 33(1), 3-19. [Proof - PDF] [ingentaconnect Link]
  • Yu, H. and S-L. Shaw (2008). A space-time GIS for exploring stations in large tracking datasets of moving objects. Presented at the 5th International Conference on Geographic Information Science, Park City, UT, September 23-26, 2008.
  • Shaw, S-L., H. Yu, and L. S. Bombom (2008). A space-time GIS approach to exploring large individual-based spatiotemporal datasets. Presented at the 2008 ESRI International User Conference, San Diego, CA, August 4-8, 2008.
  • Yu, H., S.-L. Shaw, and L. S. Bombom (2008). Exploring patterns in individual-based activity datasets: a space-time GIS approach. Presented at the 104th Annual Meeting of The Association of American Geographers, Boston, MA, April 15-19, 2008.
  • Shaw, S.-L. and H. Yu (2008). A space-time GIS for time geography: requirements and challenges. Presented at the 104th Annual Meeting of The Association of American Geographers, Boston, MA, April 15-19, 2008.
  • Bombom, L. S., H. Yu, S.-L. Shaw, and Y. Zhao (2008). Visualizing large sets of space-time paths in GIS. Presented at the 104th Annual Meeting of The Association of American Geographers, Boston, MA, April 15-19, 2008.
  • Yin, L., S.-L. Shaw, and H. Yu (2008). A time-geographic approach for activity planning and scheduling with virtual activities. Presented at the 104th Annual Meeting of The Association of American Geographers, Boston, MA, April 15-19, 2008.
  • Huang, X., S.-L. Shaw, and H. Yu (2008). Exploring migration patterns in space and time: a case study of Northern Great Plains. Presented at the 104th Annual Meeting of The Association of American Geographers, Boston, MA, April 15-19, 2008.
  • Shaw, S-L. and H. Yu (2008). A GIS-based time-geographic framework for spatio-temporal analysis of individual activities and interactions. Presented at the 3rd Meeting on ICT, Everyday Life and Urban Change, Coombe Lodge, Bristol, UK, March 16-19, 2008.
  • Yu, H. (2007). Exploring Emerging Spatio-temporal Patterns of Human Activities with a GIS-based Extended Time-Geographic Framework. Paper presented at the 6th Hawaii International Conference on Social Sciences, Honolulu, Hawaii, May 30-June 2, 2007.
  • Yu, H. and Shaw, S-L. (2007). A Temporal GIS Approach to the Exploration of Spatiotemporal Patterns of Acquisition Projects. Paper presented at Annual Meeting of the Association of American Geographers, San Francisco, California, April 17-21, 2007.
  • Shaw, S-L. and Yu, H. (2007). An Extended Time-geographic Framework for Studying Human Activities in Physical and Virtual Spaces," paper presented at the Annual Meeting of the Association of American Geographers, San Francisco, California, April 17-21, 2007.
  • Yu, H. (2007). Visualizing and Analyzing Activities in an Integrated Space-Time Environment: Temporal GIS Design and Implementation. Paper presented at the 86th Annual Meeting of Transportation Research Board (TRB), Washington D.C., January 21-25, 2007.
  • Yu, H. (2006). A 3D GIS Approach of Implementing the Space-Time Prism Concept. Paper presented at the Annual Meeting of the Southwestern Division of the Association of American Geographers (SWAAG), Norman, Oklahoma, October 25-28, 2006.
  • Shaw, S-L. (2006). A Space-Time GIS for Tracking and Analyzing Human Activities and Interactions. Presentation given at the East Tennessee Regional GIS Conference, Knoxville, Tennessee, October 12, 2006.
  • Yu, H. (2005). Exploring Potential Human Activities in Physical and Virtual Spaces: A Spatio-temporal GIS Approach. Paper presented at the Annual Meeting of the Association of American Geographers, Denver, Colorado. [Presentation]
  • Shaw, S-L. (2005). An Extended Time-Geographic Framework for Human Activities and Interactions in Physical and Virtual Spaces. Paper presented at the Annual Meeting of the Association of American Geographers, Denver, Colorado. [Presentation]

(Note: The graphs bellow are reproduced from our manuscripts and copyrighted. Please do not use these graphs at other places without our written permission. Thanks! For latest progress on our project, please visit our project web sites. [OSU site] or [UTK site] )

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a. Space-time path
b. Space-time prism and potential area
 
Figure 1. Space-time objects in time geography

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a. Time slices
b. Space-time paths
 
Figure 2. 3D view of space-time paths in GIS

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a. temporal dynamic segmentation
b. individual activities
 
Figure 3. Attach individual activities to Space-time paths using temporal dynamic segmentation

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a. Four human interaction modes and spatio-temporal relationships
b. Four interaction cases
 
Figure 4. Representing human interactions in GIS

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Figure 5. 3D representation of a space-time prism in GIS

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a. Prisms for virtual space access channels
b. GIS representations of prisms for virtual space access channels
 
Figure 6. Space-time prisms for virtual space access channels

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a. Spatio-temporal relationships and potential interactions
b. GIS analysis for potential human interactions
 
Figure 7. Explore potential human interactions with prisms in GIS

 

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