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CNN Seminar - (Dr Ioannis Psorakis)

When Oct 28, 2014
from 04:30 PM to 06:00 PM
Where Keynes Hall in King's College
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(Oxford Mathematical Institute and Thought Machine)


Title: Inferring social network structure in ecological systems from spatio-temporal data streams


"We propose a collection of analytical and computational methods for inferring the underlying social structure of a given animal population, observed only via timestamped occurrences of its members across a range of locations. We show that such data streams have a modular and temporally-focused structure, neither fully ordered nor completely random, with individuals appearing in “gathering events”. By exploiting such structure, we propose an appropriate mapping of those spatio-temporal data streams to a social network, based on the co-occurrences of individuals across gathering events. The methods proposed are applied on a data set of wild-bird visitations in order to explore bird sociality, reveal its internal organisation across a variety of different scales and provide insights into important biological processes relating to mating pair formation."
Please feel free to email us at for an opportunity to meet  the speaker in the afternoon before his talk - we will be happy to arrange this.