A simple guide to plotting maps in R using the High-resolution map data of the World. Examples are given for plotting the whole world, a selection of individual countries, a map of the United Kingdom or adding locations to your map.
Community Maps is a mapping site for community groups that allows users to add their own information to the map. This can include local events, organisations, planning applications, history and local shops.
R. Rana, C. Chou, S. Kanhere, N. Bulusu, and W. Hu. Proceedings of the 9th ACM/IEEE International Conference on Information Processing in Sensor Networks, page 105--116. ACM, (2010)