 The local, participatory management of urban neighborhoods usually follows on from 'claiming the territory', and has to be made compatible with national or local authority regulations on administering, managing and planning urban territory (McCall 2003).PPGIS applied to participatory community/neighborhood planning has been examined by, among many others, [Howard (1999)], [Carver, Evans, Kingston, and Turton (1999)], [Leitner, McMaster, Elwood, McMaster, and Sheppard (2002)], and [Talen (1999)].Specific attention has been given to applications such as housing issues (e.g.