... Computing, vol. 2498 of Lecture Notes in Computer Science, pp. 176–193, Springer: Berlin. © 2007 by Taylor & Francis Group, LLC40 Dynamic and Mobile GIS: Investigating Changes in Space and Time ... perspective of ubiquitous and location-aware computing). © 2007 by Taylor & Francis Group, LLC50 Dynamic and Mobile GIS: Investigating Changes in Space and Time Etzioni, A. (1999) ‘A ... client-oriented, centralized model of mobile computing presents several drawbacks: © 2007 by Taylor & Francis Group, LLC36 Dynamic and Mobile GIS: Investigating Changes in Space and Time...