Towards Rich Sensor Data Representation - Functional Data Analysis Framework for Opportunistic Mobile Monitoring Topics: Ecological and Environmental Management; Geospatial Architectures and Middleware; Geospatial Information and Technologies ; Natural Phenomena Data Acquisition; Spatial Modeling and Reasoning; Spatio-temporal Data Acquisition; Spatio-Temporal Database Management In Proceedings of the 4th International Conference on Geographical Information Systems Theory, Applications and Management GISTAM - Volume 1, 290-295, 2018 , Funchal, Madeira, Portugal