@incollection{tks2017icnlssp,
   author     = "Tjong Kim Sang, Erik and Marc Esteve del Valle and Herbert Kruitbosch and Marcel Broersma",
   title      = "{Active Learning for Classifying Political Tweets}",
   booktitle  = "{International Conference on Natural Language, Signal and Speech Processing}",
   publisher  = "{ISGA: Institut Superieur d'inGenieire \& des Affaires}",
   pages      = "110--114",
   year       = "2017",
   isbn       = "978-9954-99-758-1",
   issn       = "2351-8715"
}