Visual Analytics

Geovisual Analytics for Social Media Data

3502.3 - Mining Spatio-temporal Dynamics from Tweets: A Case Study on Alaska Travel Patterns

Monday, July 3
2:10 PM - 2:30 PM
Location: Delaware B

Using communication devices to interact social media platforms has become increasingly popular in recent years. This has generated massive geo-positioned data, along with their time, publicly available and useful for many location-based social and multimedia applications. In this study, we propose and experiment new techniques to analyze Alaska travel patterns by mining spatio-temporal dynamics of traveling from tweet data left by tourists over time. Different geo-visualization techniques are proposed to effectively communicate the findings of inherent spatial and temporal dynamics from this study. To do so, we first detect hotspots from a noisy pool of community-contributed geo-positioned tweets data from Tweet. We then investigate the tourist traffic flow by exploiting the mobility data mining techniques. At the end, the characteristics of travel routes are analyzed and visualized by cluster-based technique on tour routes.

Caixia Wang

Assistant Professor
University of Alaska Anchorage

Dr. Caixia Wang is Assistant Professor in Geomatics at the University of Alaska Anchorage. The expertise of Dr. Wang is in the geographic information science, spatial and spatio-temporal data mining, and interdisciplinary topics of remote sensing and digital image processing & analysis within Geographic Information Systems. Her current research interests include the areas of image analysis and video processing for environmental applications and spatio-temporal information extraction.

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Daria Hollenstein

Research Associate
FHNW University of Applied Sciences and Arts Northwestern Switzerland

Daria Hollenstein is a Research Associate at the Institute of Geomatics Engineering at the FHNW University of Applied Sciences and Arts Northwestern Switzerland in Muttenz (Basel). Currently, she works for the Geo-visualization and Visual Analytics group at the Institute. She has graduated from the University of Basel with a Master’s degree in Archaeology.

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