Category Archives: Flows

Smart Cities by Anthony Townsend: A Review

Asked by Built Environment to review this some 18 months after it was first published, the world of smart cities has moved on so fast at the level of how we use personal devices to navigate, shop, search etc. that Anthony … Continue reading

Posted in Big Data, Complexity, Flows, Information, Smart Cities, Urban Models | Leave a comment

A History of Transport Modelling

Certainly one of the best books ever on transport modelling. We have been waiting for this sort of book for a long time. Anyone who wants to figure out the reasons why different kinds of transport model have been developed … Continue reading

Posted in Flows, Interactions, LUTI models, Transport Models, Urban Models | Leave a comment

Gravity Models Circa 1846

Once in a while along comes a wonderful piece of historical research that again illustrates that in most fields, there is little new under the sun. Andrew Odlyzko’s recent paper entitled “The forgotten discovery of gravity models and the inefficiency … Continue reading

Posted in Connectivity, Economies of scale, Flows, Interactions, power laws, Scaling | Leave a comment