Computational & discrete geometry: Paradigms & techniques, approximation algorithms, stochastic models, geometric optimization, kinetic geometry, data structures, arrangements, proximity problems, trangulation, motion planning, geometric sampling.
Shape analysis: Representation, matching, clustering, similarity searching.
Trajectory data analysis: Trajectory segmentation, matching, clustering, query processing.
GIS: Terrain modeling and analysis, navigation, visibility, flow analysis, ecological modeling.
Databases and data mining: Spatio-temporal databases, query processing, streaming, automatic fact checking.
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