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Location Estimation Using Crowdsourced Spatial Relations
Georgios Skoumas, Dieter Pfoser, Anastasios Kyrillidis, Timos Sellis
Article No.: 5
The “crowd” has become a very important geospatial data provider. Specifically, nonexpert users have been providing a wealth of quantitative geospatial data (e.g., geotagged tweets or photos, online). With spatial reasoning being a...
An Efficient External Memory Algorithm for Terrain Viewshed Computation
Chaulio R. Ferreira, Marcus V. A. Andrade, Salles V. G. Magalhães, W. Randolph Franklin
Article No.: 6
This article presents T
TerraNNI: Natural Neighbor Interpolation on 2D and 3D Grids Using a GPU
Pankaj K. Agarwal, Alex Beutel, Thomas Mølhave
Article No.: 7
With modern focus on remote sensing technology, such as LiDAR, the amount of spatial data, in the form of massive point clouds, has increased dramatically. Furthermore, repeated surveys of the same areas are becoming more common. This trend will...
Protecting Against Velocity-Based, Proximity-Based, and External Event Attacks in Location-Centric Social Networks
Gabriel Ghinita, Maria Luisa Damiani, Claudio Silvestri, Elisa Bertino
Article No.: 8
Mobile devices with positioning capabilities allow users to participate in novel and exciting location-based applications. For instance, users may track the whereabouts of their acquaintances in location-aware social networking applications (e.g.,...