NEWS:

06/2015: Our program is designated an NGA/USGS Center of Academic Excellence in Geospatial Science 
05/2015: New journal paper on the integration of remote sensing and social media analytics:
Sun, D., Li, S., Zheng, W., Croitoru, A., Stefanidis, A. and Goldberg, M. (2015): Mapping floods due to Hurricane Sandy using NPP VIIRS and ATMS data and geotagged Flickr imagery, International Journal of Digital Earth

EVENTS:

There are currently no events

PUBLICATIONS:

Sample recent papers of the CGEOINT group:

2015

A. Croitoru, A. Crooks, J. Radzikowski, & A. Stefanidis, 2015. Geovisualization of Social Media, The International Encyclopedia of Geography. (in press)

D. Sun, S. Li, W. Zheng, A. Croitoru, A. Stefanidis, & M. Goldberg, 2015. Mapping Floods due to Hurricane Sandy using NPP VIIRS and ATMS Data and Geotagged Flickr Imagery, International Journal of Digital Earth (in press)

A. Croitoru, N. Wayant, A. Crooks, J. Radzikowski & A. Stefanidis, 2015. Linking Cyber and Physical Spaces through Community Detection and Clustering in Social Media Feeds, Computers, Environment & Urban Systems. (in press)

A. Crooks, D. Pfoser, A. Jenkins*, A. Croitoru, A. Stefanidis, S. Karagiorgou, A. Efentakis, G. Lampriniadis & D. Smith, 2015. Crowdsourcing Urban Form and Function, International Journal of Geographical Information Science, 29(5): 720-741.

2014

A. Crooks, A. Hudson-Smith, A. Croitoru, & A. Stefanidis, 2014. The Evolving GeoWeb, Geocomputation, 2nd ed., (R.J. Abrahart & L.M. See, eds.), CRC Press, pp. 67-94.

A. Croitoru, A. Crooks, J. Radzikowski, A. Stefanidis, R. Vatsavai, and N. Wayant, 2014. Geoinformatics and Social Media: A New Big Data Challenge. In Big Data Techniques and Technologies in Geoinformatics (H. Karimi, editor), CRC Press, pp. 207-232.

A. Stefanidis, A. Crooks, J. Radzikowski, A. Croitoru, and M. Rice, 2014. Social Media and the Emergence of Open-Source Geospatial Intelligence. In Socio-Cultural Dynamics and Global Security: Interdisciplinary Perspectives on Human Geography in an Era of Persistent Conflict, (C. Tucker and R. Tomes, editors), USGIF, pp. 109-123.

G. Panteras, S. Wise, X. Lu, A. Croitoru, A. Crooks & A. Stefanidis, 2014. Triangulating Social Multimedia Content for Event Localization using Flickr and Twitter, Transactions in GIS (in press).

W. Mullen, S.P. Jackson, A. Croitoru, A. Crooks, A. Stefanidis & P. Agouris, 2014. Assessing the Impact of Demographic Characteristics on Spatial Error in Volunteered Geographic Information Features, GeoJournal. DOI: 10.1007/s10708-014-9564-8.

S. Dias, Ch. Yang, A. Stefanidis & M. Rice, 2014. Mashing Up Geographic Information for Emergency Response – An Earthquake Prototype, Journal of Geographic Information System, 6: 533-547.

A. Crooks, D. Masad, A. Croitoru, A. Cotnoir, A. Stefanidis & J. Radzikowski, 2014. International Relations: State-Driven and Citizen-Driven Networks, Social Science Computer Review. 32(2): 205-220. (Sp. Issue: Quantifying Politics using Online Data)

K. Curtin, G. Voicu, M. Rice & A. Stefanidis, 2014. A Comparative Analysis of Traveling Salesman Solutions from Geographic Information Systems, Transactions in GIS. 18(2): 286-301.

G. Valkanas, I. Katakis, D. Gunopulos, & A. Stefanidis, 2014. Mining Twitter Data with Resource Constraints, IEEE/WIC/ACM International Conference on Web Intelligence (WIC 2014), Warsaw, Poland. 1: 157-164.

2013

X. Lu, A. Croitoru, J. Radzikowski, A. Crooks, & A. Stefanidis, 2013. Comparing the Spatial Characteristics of Corresponding Cyber and Physical Communities: A Case Study, Proceedings ACM SIGSPATIAL Workshop on Location-Based Social Networks (LSBN 2013), Orlando, FL.

A. Croitoru, A. Crooks, J. Radzikowski & A. Stefanidis, 2013. GeoSocial Gauge: A System Prototype for Knowledge Discovery from Social Media, International Journal of Geographical Information Science, 27(12): 2483-2508.

M. Rice, R. Jacobson, D.R. Caldwell, S. McDermott, F. Paez, A. Aburizaiza, K. Curtin, A. Stefanidis & H. Qin, 2013. Crowdsourcing Techniques for Augmenting Traditional Accessibility Maps with Transitory Obstacle Information, Cartography and Geographic Information Science, 40(3): 210-219.

S.P. Jackson, W. Mullen, P. Agouris, A. Croitoru, A. Crooks & A. Stefanidis, 2013. Assessing Completeness and Spatial Error of Point Data in Volunteered Geographic Information, ISPRS International Journal of Geo-Information, 2: 507-530. Note: This article was also spotlighted in IQT Quarterly, 5(2): 22-26.

S. Li, D. Sun, M Goldberg, & A. Stefanidis, 2013. Derivation of 30-m Resolution Water Maps from TERRA/MODIS and SRTM, Remote Sensing of the Environment, 134: 417-430.

A. Stefanidis, A. Cotnoir, A. Croitoru, A. Crooks, M. Rice & J. Radzikowski, 2013. Demarcating New Boundaries: Mapping Virtual Polycentric Communities through Social Media Content, Cartography and Geographic Information Science, 40(2): 116-129. Note: This article was also spotlighted in IQT Quarterly, 5(2): 12-14.

A. Stefanidis, A. Crooks & J. Radzikowski, 2013. Harvesting Ambient Geospatial Information from Social Media Feeds, Geojournal, 78(2): 319-338.

S. Li, D. Sun, Y. Yu, I. Csiszar & A. Stefanidis, 2013. A New Shortwave Infrared (SWIR) Method for Quantitative Water Fraction Derivation and Evaluation with EOS/MODIS and Landsat/TM Data, IEEE Transactions on Geoscience and Remote Sensing, 51(3): 1852-1862.

A. Crooks, A. Croitoru, A. Stefanidis & J. Radzikowski, 2013. #Earthquake: Twitter as a Distributed Sensor System, Transactions in GIS, 17(1): 124-147.

2012

R. J. Clark, 2012.Spatial Arrangement as a Part of Geospatial Feature Ontologies, PhD Dissertation, November 2012.

A. Crooks, A. Croitoru, A. Stefanidis & J. Radzikowski, 2012. #Earthquake: Twitter as a Distributed Sensor System, Transactions in GIS (in press)

R. A. Jenkins, 2012. Mapping Location-Based Social Topics in Todayʼs Evolving Cities, MS Thesis, November 2012.

R. J. Magarick, 2012. Improving Vegetation and Background Discrimination from Hyperspectral Imaging (HIS) and Light Detection and Ranging (LIDAR) Fusion Using an Added Shortwave Infrared (SWIR) HIS Component, MS Thesis, November 2012.

R. Zhang, D. Sun, Y. Yu, A. Stefanidis, & M.D. Goldberg, 2012. Validation of the GOES-R ABI Flood and Standing Water Algorithm using Gauging Station Measurements and Interpretation Maps, Remote Sensing of the Environment, Vol. 123, pp. 483-495.

A. Croitoru, A. Stefanidis, J. Radzikowski, A. Crooks, J. Stahl & N. Wayant, 2012. Towards a Collaborative GeoSocial Analysis Workbench, COM.Geo '12, Washington, DC (in press).

R.M. Medina, 2012. Social Network Analysis: A Case Study of the Islamist Terrorist Network. Security Journal, (in press)

A. Stefanidis and M. Rice, 2012. Geoinformation from all and for all. Geospatial Today, March 2012, pp. 12-16.

C. Wang, A. Stefanidis & P. Agouris, 2012. Spatial Content-Based Scene Similarity Assessment, ISPRS Journal of Photogrammetry & Remote Sensing Vol. 69, pp. 103-120. DOI: 10.1016/j.isprsjprs.2012.02.007

A. Stefanidis, A. Crooks, J. Radzikowski, A. Croitoru, and M. Rice, 2012. Social Media and the Emergence of Open-Source Geospatial Intelligence. in Socio-Cultural Dynamics and Global Security (C. Tucker and R. Tomes, editors), USGIF

2011

R.M. Medina and G.F. Hepner, 2011. Advancing the Understanding of Sociospatial Dependencies in Terrorist Networks. Transactions in GIS, 15(5): 577-597.

R.M. Medina, L.K. Siebeneck, & G.F. Hepner, 2011. A Geographic Information Systems (GIS) Analysis of Spatiotemporal Patterns of Terrorist Incidents in Iraq 2004-2009. Studies in Conflict and Terrorism, 34: 862-882.

X. Lu, C. Wang, N. Karamnzadeh, A. Croitoru & A. Stefanidis, 2011. Deriving Indoor Scene Structure with path Analysis, ACM GIS 2011 – Workshop on Indoor Spatial Awareness, Chicago

G. Mountrakis and A. Stefanidis, 2011. Moving towards Personalized Geospatial Queries. Journal of Geographic Information System, 3(4): 334-344.

J. Pustejovsky, M. Verhagen, A. Stefanidis & C. Wang, 2011. Geolocating Orientational Descriptions of Landmark Configurations, Workshop on Computational Models of Spatial Language Interpretation and Generation (CoSLI-2), Boston, MA, pp. 32-39.

C. Twardy & A. Stefanidis, 2011. Local Complexity Adaptable Trajectory Partitioning via Minimum Message Length. IEEE ICIP'11 (International Conference on Image Processing), Brussels, pp. 1917-1920.

2010

A. Stefanidis, 2010. GeoSensor Networks and Sensor Web: The Move towards Systems of Sensor Systems. In Advanced Geoinformation Science (C. Yang et al., eds.), CRC Press, pp. 64-69.

A. Croitoru, P. Agouris, & A. Stefanidis, 2010. Still and Motion Image Analysis, in Advanced Geoinformation Science (C. Yang et al., eds.), CRC Press, pp. 172-194.

C. Wang, P. Agouris & A. Stefanidis, 2010, Statistical and Structural Descriptions for Image to Map Registration, Int. Archives of Photogrammetry & Remote Sensing, Vol. 38, Part B4, Orlando (in press).

J. Radzikowski, X. Lu, A. Stefanidis, & M. Rice, 2010, Visualizing Distributed Dynamic Geospatial Information in Google Earth, Int. Archives of Photogrammetry & ReCmote Sensing, Vol. 38, Part B4, Orlando (in press).

2009

A. Stefanidis, C. Wang, X. Lu & K Curtin, 2009. Multilayer Scene Similarity Assessment, IEEE International Conference on Data Mining – Workshops (Spatial and Spatiotemporal Data Mining - SSTDM'09), Miami, FL, pp. 622-629.

G. Cervone, A. Stefanidis, P. Franzese & P. Agouris, 2009. Spatiotemporal Modeling and Monitoring of Atmospheric Hazardous Emissions using Sensor Networks, IEEE International Conference on Data Mining – Workshops (Spatial and Spatiotemporal Data Mining - SSTDM'09), Miami, FL, pp. 571-576.

2008

C. Wang, A. Stefanidis, A. Croitoru & P. Agouris, 2008. Map Registration of Image Sequences using Linear Features, Photogrammetric Engineering & Remote Sensing, Vol. 74, No. 1, pp. 25-38. (paper awarded the "John I. Davidson President's Award for Practical Papers" (3rd Place) by the American Society for Photogrammetry & Remote Sensing, in 2009).

S. Nittel, A. Labrinidis and A. Stefanidis, 2008. Advances in GeoSensor Networks, Lecture Notes in Computer Science, Springer, Vol. 4540 (272 pages).

S. Nittel, A. Labrinidis & A. Stefanidis, 2008. Introduction to Advances in Geosensor Networks, in GeoSensor Networks '06, (S. Nittel, A. Labrinidis, & A. Stefanidis, eds.), Lecture Notes in Computer Science, Vol. 4540, Springer Verlag.

J. Devine & A. Stefanidis, 2008. Support Vector Machines for Spatiotemporal Analysis in Geosensor Networks, Spatial Data Handling '08, (A. Ruas & C. Gold, eds.), Montpellier, pp. 197-216.

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