Jeffrey V. Nickerson, Generating Networks

Cities are places where information and material are integrated. This integration takes place on top of a changing infrastructure that is sometimes designed and sometimes organic. We can think of this infrastructure as a network, or, more accurately, as a set of overlapping networks, each with different distance measures between nodes.

http://home.fa.utl.pt/~jduarte/dcc08_workshop/notes/2008_Proceedings_Workshop_1_DCC08.pdf