Guoray Cai, Ph.D.
College of Information Sciences and Technology,
Penn State University
307F IST Building, University Park, PA 16802
Information Science, University of Pittsburgh. 1999
Geography, West Virginia University, 1993
Electrical Engineering, Tianjin University, China. 1986
Electrical Engineering, Tianjin University, China, 1983
research includes geographical information systems, geocollaboration, human-computer
interaction, information retrieval, and spoken-dialogue systems. His
recent work involves developing visually-mediated multimodal interactions
techniques for enabling geocollaborative crisis management.
teaches undergraduate and graduate courses in the areas of relational
databases, spatial databases, and geographical information science,
visual analytics, and .
Cai, G. 2015, "Context-Mediated
Semantic Alignment of Heterogeneous Electronic Medical Record Systems for
Integrated Healthcare Delivery," HIMS'15 - The 2015 International
Conference on Health Informatics and Medical Systems, July 27-30, Las
Vegas, Nevada, USA
Jessica N., Guoray Cai, and John M. Carroll, 2015a.
the Roles of Artifacts in Democratic Deliberation from the Citizens'
Initiative Review." Journal of Social Media in Organization, 3(2),
Jessica N., Guoray Cai, and John M. Carroll. 2015b. "Characterizing
Deliberative Quality of Online Public Forums for Democratic
Decision-Making." Information Polity - An
International Journal of Government and Democracy in the Information Age. (in press)
.Hall, G. Cai and J. Graham (2015), "Empowering the next generation
analyst" chapter in Information
Fusion in Crisis Management, edited by G. Ragova and P. Scott,
Jess, Guoray Cai, and John M. Carroll. 2014. "Investigating Incidence of
Common Ground and Alternative Courses of Action in an Online Forum." in dg.o
2014: the 15th Annual International Conference on Digital Government
Research. June 18-21, 2014. Aguascalientes, Mexico: ACM. pp. 24–33
D. L., Cai, G., & Graham, J. L. 2014, "Cognitive Prosthetics for the
Empowered Analyst." In Galina Rogova (Ed.), Information Fusion and
Cai, G. & Yu, B. , 2014,
"Event-based Awareness Promotion For Distributed Collaborative
Activities." International Conference of Collaborative Technologies
and Systems. June 1-4, 2014, Minneapolis, MN.
Cai, G. & Graham, J., 2014,
"Semantic fusion of hard-soft data through visually-enabled analytical
reasoning." Fusion 2014: The 17th International Conference on
Information Fusion. .
Yan, J., and Cai, G., 2014, "Detecting Public Sentiment Over PM2.5
Pollution Hazards through analysis of Chinese Microblog," ISCRAM: The 11th International
Conference on Information Systems for Crisis Response and Management. ACM
Gross, G., and Llinas, J., 2014, "A
visual analytic framework for sense-making in investigative intelligence,"
SPIE 2014 Conference on Sensing Technology and Applications,
(Next-Generation Analysts II), Baltimore, MD May 6-9, 2014. IEEE Press
Tian, Y. & Cai, G. (2014).
Modeling Claim-Making Process in Democratic Deliberation. In Eric Yu,
Gillian Dobbie, Matthias Jarke, Sandeep Purao (Eds.), ER 2014:
Proceedings of the 33rd International Conference. Atlanta, GA,
G., Yu, B., and Chen, D., 2013, "Modeling
and Communicating the Conceptual Intent of Geo-Analytical Tasks for
Human-GIS Interaction," Transactions in GIS, vol. 17, pp.
and Yu, B., 2012, "Event-based
Awareness Promotion Through Reasoning on Activity Dependencies,"
The 10th IEEE International Conference on Pervasive Intelligence and
Computing (PiCom-2012), Changzhou, China, Dec. 17-20, 2012
and Cai, G, 2012, "Coordination of emergency response operation via event-based
awareness mechanisms," ISCRAM'2012 - The 9th
International Conference on Information Systems for Crisis Response and
Management, April 22-25, 2012 Vancouver, Canada.
2011, "Relevance Ranking in geographical information retrieval."
ACM SIGSPATIAL Letters, vol.3, issue 2, pp. 33-36.
an Yu, B., 2010, "Using
Intentions and Plans of Mobile Activities to Guide Geospatial Web Service
Composition." Proceedings of 2010 IEEE Asia-Pacific
Services Computing Conference, December 6 - 10, 2010, Hangzhou,
China. pp. 141-148.
Cai and B. Yu, "Spatial annotation technology for public deliberation,"
Transactions in GIS, vol.
13, pp. 123-146, 2009.
Yu and G. Cai, 2009, "Facilitating Participatory Decision-Making in Local Communities
through Map-Based Online Discussion," in The Fourth
International Conference on Communities and Technologies (C&T 2009),
University Park, PA.
G. 2008 "Modeling Contextual Knowledge for Adaptive Geographic
Visualization" Proceedings of the International Conference on
Virtual Geographic Environment, Hongkong, China, January 7-8, 2008
S., MacEachren, A. M., Cai, G., (2008) "Geoinformation
technologies to support collaborative emergency management,"
Hsinchun Chen, Lawrence Brandt, Valerie Gregg, Roland Traunmüller, Sharon
Dawes, Eduard Hovy, Ann Macintosh, and Catherine A. Larson, (Eds.), Digital
Government: Advanced Research and Case Studies, Springer. Pp.
B. and Cai, G. (2007) "A
query-aware document ranking method for geographic information retrieval",
in Proceedings of the 4th ACM workshop on Geographical information
retrieval, ACM: Lisbon, Portugal. pp.49-54.
G. 2007,"Formalizing Analytical Discourse in Visual Analytics,"
Proceedings of VAST'2007 – IEEE Symposium on Visual Analytics Science
and Technology, Sacramento, CA, Oct. 28 – Nov. 1, 2007
G. (2007) "Contextualization of geospatial database semantics for mediating
human-GIS dialogues." GeoInformatica
A. M. and Cai, G. (2006) "Supporting Group Work in Crisis Management: Visually mediated
human-GIS-human dialogue." Environment and Planning B:
Planning and Design. 33(3), pp. 435-456.
G., Sharma, R., MacEachren, A.M., and Brewer, I. (2006) "Human-GIS
Interaction Issues in Crisis Response". International
Journal of Risk Assessment and Management. (special issue on GIS in
Crisis management) 6(4), pp. 388-407.
A. M., G. Cai, Brewer, I., and Chen, J. (2006) "Supporting
map-based geocollaboration through natural interfaces to large-screen
display." Cartographic Perspectives. 54(1),
G. and Xue, Y. (2006) "Activity-oriented Context-aware Adaptation Assisting Mobile
Geo-spatial Activities." ACM IUI'2006 – International
Conference on Intelligent User Interface, Sydney, Australia, January
29 – February 1, 2006.
G. and MacEachren, A. (2005) "Supporting effective human interactions with geographic
information during crisis response." GeoMatica
G. (2005) "Extending distributed GIS to support geocollaborative crisis
management" Geographical Information Science. (Special
issue on distributed GIS) 11(1): 4-14.
G., Wang, H., MacEachren, A.M., and Fuhrmann, S. (2005) 'Natural Conversational Interfaces to Geospatial Databases'.
Transactions in GIS, 9(2), pp.199-221.
A M, Cai, G, Sharma, R, Brewer, I and Rauschert, I (2005) "Enabling collaborative geoinformation access and
decision-making through a natural, multimodal interface". International
Journal of Geographical Information Science 19(3): 293-317
A.M., Gahegan, M., Pike, W., Brewer, I., Cai, G., Lengerich, E., and
Hardisty, F. (2004) 'Geovisualization for knowledge construction and decision support
Computer Graphics and Applications. 24(1) pp.13 - 17.
(2004) "Visualization for Geographical Information Retrieval"
New Technology in Library and Information Services Special issue
on information visualization. 2004(10): 14-23.
R., Yeasin, M., Krahnstoever, N., Rauschert, Cai, G., Brewer, I.,
MacEachren, A., and Sengupta, K. (2003) 'Speech-Gesture Driven Multimodal Interfaces for Crisis
Management'. Proceedings of the IEEE. 91(9)
pp.1327-1354. (special issue on human-computer multimodal interface)
Wang, H, MacEachren, A.M. (2003) "Communicating vague spatial concepts in human-GIS
interactions: a collaborative dialogue approach", Lecture
Notes in Computer Science 2825: Spatial information theory -
Foundations of Geographic Information Science; COSIT 2003 Proceedings,
Kartause Ittingen, Switzerland. September 24-28, 2003. pp. 287 - 300
(2002) "GeoVIBE: A Visual Interface for Geographical Information in
Digital Libraries," Lecture Notes on Computer
Science 2539: Visual Interfaces for Digital Libraries (Springer
Verlag) pp. 171-187
(2002) "GeoVSM: An Integrated Retrieval Model For Geographical
Information," Lecture Notes on Computer Science
2478: Geographical Information Science: Second International Conference
on GIScience, BE html PUBLIC "-//W3C//DTD HTML 4.01//EN"