Political Homophily in Independence Movements: Analysing and Classifying
Social Media Users by National Identity
release_nmm4utcw2bcoxa6yh4wuacw7ie
by
Arkaitz Zubiaga, Bo Wang, Maria Liakata, Rob Procter
2017
Abstract
Social media and data mining are increasingly being used to analyse political
and societal issues. Here we undertake the classification of social media users
as supporting or opposing ongoing independence movements in their territories.
Independence movements occur in territories whose citizens have conflicting
national identities; users with opposing national identities will then support
or oppose the sense of being part of an independent nation that differs from
the officially recognised country. We describe a methodology that relies on
users' self-reported location to build large-scale datasets for three
territories -- Catalonia, the Basque Country and Scotland. An analysis of these
datasets shows that homophily plays an important role in determining who people
connect with, as users predominantly choose to follow and interact with others
from the same national identity. We show that a classifier relying on users'
follow networks can achieve accurate, language-independent classification
performances ranging from 85% to 97% for the three territories.
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