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Displaying 1-8 out of 8 total
Visual Analysis of Movement Behavior Using Web Data for Context Enrichment
Found in: 2014 IEEE Pacific Visualization Symposium (PacificVis)
By Robert Krueger,Dennis Thom,Thomas Ertl
Issue Date:March 2014
pp. 193-200
With increasing use of GPS devices more and more location-based information is accessible. Thus not only more movements of people are tracked but also POI (point of interest) information becomes available in increasing geo-spatial density. To enable analys...
 
Using Large Scale Aggregated Knowledge for Social Media Location Discovery
Found in: 2014 47th Hawaii International Conference on System Sciences (HICSS)
By Dennis Thom,Harald Bosch,Robert Krueger,Thomas Ertl
Issue Date:January 2014
pp. 1464-1473
Geospatial analysis of location-enabled social media networks can be utilized to generate vital insights in areas where situational awareness is important, such as disaster prevention and crisis response. However, several recent approaches struggle under t...
   
ScatterBlogs2: Real-Time Monitoring of Microblog Messages through User-Guided Filtering
Found in: IEEE Transactions on Visualization and Computer Graphics
By Harald Bosch,Dennis Thom,Florian Heimerl,Edwin Puttmann,Steffen Koch,Robert Kruger,Michael Worner,Thomas Ertl
Issue Date:December 2013
pp. 2022-2031
The number of microblog posts published daily has reached a level that hampers the effective retrieval of relevant messages, and the amount of information conveyed through services such as Twitter is still increasing. Analysts require new methods for monit...
 
Thematic Patterns in Georeferenced Tweets through Space-Time Visual Analytics
Found in: Computing in Science & Engineering
By Gennady Andrienko,Natalia Andrienko,Harald Bosch,Thomas Ertl,Georg Fuchs,Piotr Jankowski,Dennis Thom
Issue Date:May 2013
pp. 72-82
An exploratory study of the potential of georeferenced Twitter data (using tweets from Seattle-area residents over a two-month period) extracts knowledge about people's everyday life.
 
HIVEBEAT — A highly interactive visualization environment for broad-scale exploratory analysis and tracing: VAST 2012 Mini Challenge 1 award: Honorable mention for comprehensive visualization suite
Found in: 2012 IEEE Conference on Visual Analytics Science and Technology (VAST)
By Robert Kruger,Harald Bosch,Steffen Koch,Christoph Muller,Guido Reina,Dennis Thom,Thomas Ertl
Issue Date:October 2012
pp. 277-278
The VAST Challenge 2012 deals with large data network analysis. The challenge scenario is centered around the computer network of the fictitious Bank of Money (BoM). BoM operates 888,977 computers which are geographically distributed on a fictitious landma...
 
Spatiotemporal social media analytics for abnormal event detection and examination using seasonal-trend decomposition
Found in: 2012 IEEE Conference on Visual Analytics Science and Technology (VAST)
By Junghoon Chae,Dennis Thom,Harald Bosch,Yun Jang,Ross Maciejewski,David S. Ebert,Thomas Ertl
Issue Date:October 2012
pp. 143-152
Recent advances in technology have enabled social media services to support space-time indexed data, and internet users from all over the world have created a large volume of time-stamped, geo-located data. Such spatiotemporal data has immense value for in...
 
Spatiotemporal anomaly detection through visual analysis of geolocated Twitter messages
Found in: Visualization Symposium, IEEE Pacific
By Dennis Thom,Harald Bosch,Steffen Koch,Michael Worner,Thomas Ertl
Issue Date:March 2012
pp. 41-48
Analyzing message streams from social blogging services such as Twitter is a challenging task because of the vast number of documents that are produced daily. At the same time, the availability of geolocated, realtime, and manually created status updates a...
 
ScatterBlogs2: Real-Time Monitoring of Microblog Messages through User-Guided Filtering
Found in: IEEE Transactions on Visualization and Computer Graphics
By Harald Bosch,Dennis Thom,Florian Heimerl,Edwin Puttmann,Steffen Koch,Robert Kruger,Michael Worner,Thomas Ertl
Issue Date:December 2013
pp. 2022-2031
The number of microblog posts published daily has reached a level that hampers the effective retrieval of relevant messages, and the amount of information conveyed through services such as Twitter is still increasing. Analysts require new methods for monit...
 
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