... Group, LLC Dynamic and Mobile GIS: Investigating Changes in Space and Time 210 References Adams, P., Ashwell, G. and Baxter, R. (20 03) ‘Location-based services - an overview of the standards’, ... Taylor & Francis Group, LLC Dynamic and Mobile GIS: Investigating Changes in Space and Time 200 explained below in this section, and the overall results in Section 11.5. All of these tests ... LLC Dynamic and Mobile GIS: Investigating Changes in Space and Time 188 citizens in environmental monitoring activities. The authors suggest that this environmental collaborative monitoring...