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  1. Responsive geo-referenced content visualization based on a user interest model and levels of detail


  2. With steady growth in the deployment of sensor networks and widespread usage of mobile devices, the production of geo-referenced data is increasing exponentially, while analysis of the data typically uses a variety of application services on the Internet for activities such as logging and driving. This geo-referenced content needs to be classified and organized according to user interest for location-based decision-making. In this study, we define a user interest model and propose a method for organizing and presenting content based on the model. Our approach reconstructs geo-referenced content from a variety of sources based on points of interest organized by the user interest model. We present typical cases of using the proposed method, including a theme park resort, personal weather stations, and travel planning to show how the proposed method facilitates user decision-making based on the geo-referenced content.

  3. Visual Interaction for Spatiotemporal Content using Zoom and Pan with Level-of-Detail

  4. Visual Interaction for Spatiotemporal Content using Zoom and Pan with Level-of-Detail from VGTCommunity on Vimeo.


    It is easy to get lost while browsing and navigating spatiotemporal content, and the problem is exacerbated by the exponential growth of geospatial data with mobile phones and tablets. In this paper, we propose a continuous method of transition visualization with zooming and panning interaction of the maps and timelines on touch-based devices that maintains the spatial and temporal context of spatiotemporal content.