Mark H. Birkin

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This paper outlines the findings of ongoing research on the application of multi-agent simulations (MAS) to modelling complex locally interacting dynamic systems, in particular the petrol price market. The development of an agent based model for petrol prices is presented. Failings within this model are discussed and an alternative strategy for controlling(More)
New sources of data relating to personal mobility and activity patterns are now providing a unique opportunity to explore movement patterns at increasing scales of spatial and temporal refinement. In this article, a corpus of messages from the Twitter social networking platform are examined. An elementary classification of users is proposed on the basis of(More)
One emerging area of agent-based modelling is retail markets; however, there are problems with modelling such systems. The vast size of such markets makes individual-level modelling, for example of customers, difficult and this is particularly true where the markets are spatially complex. There is an emerging recognition that the power of agent-based(More)
Iterative Proportional Fitting (IPF), also known as biproportional tting, `raking' or the RAS algorithm , is an established procedure used in a variety of applications across the social sciences. Primary amongst these for urban modelling has been its use in static spatial microsimulation to generate small area microdata individual level data allocated to(More)