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Conference Papers Year : 2019

Measuring Power Relations Among Locations From Mobility Data


Key location identification in cities is central in human mobility investigation as well as for societal problem comprehension. In this context, we propose a methodology to quantify the power of point-of-interests (POIs) in their vicinity, in terms of impact and independence-the first work in the literature (to the best of our knowledge). Different from literature , we consider the flow of people in our analysis, instead of the number of neighbor POIs or their structural locations in the city. Thus, we first modeled POI's visits using the multiflow graph model where each POI is a node and the transitions of users among POIs are a weighted direct edge. Using this multiflow graph model, we compute the attract, support and independence powers. The attract power and support power measure how many visits a POI gather from and disseminate over its neighborhood, respectively. Moreover, the independence power captures the capacity of POI to receive visitors independently from other POIs. Using a dataset describing the mobility of individuals in the Dartmouth College campus, we identify a slight dependence among buildings as well as the tendency of people to be mostly stationary in few buildings with short transit periods among them.
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hal-02302490 , version 1 (01-10-2019)


  • HAL Id : hal-02302490 , version 1


Lucas Santos de Oliveira, Pedro Olmo Stancioli Vaz de Melo, Aline Carneiro Viana. Measuring Power Relations Among Locations From Mobility Data. ACM MobiWac 2019 - 17th ACM International Symposium on Mobility Management and Wireless Access, Nov 2019, Miami, United States. ⟨hal-02302490⟩
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