This 387 page 2013 book provides 20 chapters focused on various components of crowdsourcing and Volunteered Geographic Information (VGI). In particular, the chapters in this book explore both the theories and applications of crowdsourcing for geographic knowledge production.
This paper evaluates two tools for the automated identification of demographic and occupational data from the profile descriptions of Twitter users in the United Kingdom.
This portal gathers an annotated collection of recent research on the ways in which social media and new technologies may be leveraged in the fight against violent extremism
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