Figure 15From: Crowdsourcing, citizen sensing and sensor web technologies for public and environmental health surveillance and crisis management: trends, OGC standards and application examplesSpatially-enabled elements of the Precision Information Environments (PIEs) vision. From left: collaborative modelling and decision making, natural user interactions, and role- and task-driven information and map displays that synthesise large amounts of heterogeneous data about an event into a user-specific display.Back to article page