Knowledge Engineering and Knowledge Management 21st International Conference, EKAW 2018, Nancy, France, November 12-16, 2018, Proceedings - Faron Zucker, Catherine; Faron Zucker, Catherine; Ghidini, Chiara; Ghidini, Chiara; Napoli, Amedeo; Napoli, Amedeo; Toussaint, Yannick; Toussaint, Yannick (Springer International Publishing : Imprint: Springer, 2018)