@incollection{tks2017escience,
   author     = "Tjong Kim Sang, Erik and Herbert Kruitbosch and Marcel Broersma and Marc Esteve del Valle",
   title      = "{Determining the function of political tweets}",
   booktitle  = "{Proceedings of the 13th IEEE International Conference on eScience (eScience 2017)}",
   publisher  = "{IEEE, Auckland, New Zealand}",
   pages      = "438-439",
   year       = "2017",
   isbn       = "978-1-5386-2686-3",
   doi        = "{10.1109/eScience.2017.60}"
}