Predicting human mobility through the assimilation of social media traces into mobility models

Beiró, M. G.; Panisson, A.; Tizzoni, M.; Cattuto, C.
Predicting human mobility flows at different spatial scales is challenged by the heterogeneity of individual trajectories and the multi-scale nature of transportation networks. As vast amounts of digital traces of human behaviour become available, an opportunity arises to improve mobility models by integrating into them proxy data on mobility collected by a variety of digital platforms and location-aware services. Here we propose a hybrid model of human mobility that integrates a large-scale publicly available dataset from a popular photo-sharing system with the classical gravity model, under a stacked regression procedure. We validate the performance and generalizability of our approach using two ground-truth datasets on air travel and daily commuting in the United States: using two different cross-validation schemes we show that the hybrid model affords enhanced mobility prediction at both spatial scales.
Research areas:
Year:
2016
Type of Publication:
Article
Keywords:
geolocalized data; human mobility; machine learning; predictive models
Journal:
EPJ Data Sci.
Pages:
17
ISSN:
2193-1127
DOI:
10.1140/epjds/s13688-016-0092-2
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