%0 Journal Article %J Big Data & Society %D 2019 %T Unsupervised by any other name: Hidden layers of knowledge production in artificial intelligence on social media %A Bechmann, Anja %A Bowker, Geoffrey C %B Big Data & Society %V 6 %P 205395171881956 %8 May-01-2019 %G eng %N 1 %R 10.1177/2053951718819569