Theory and Applications of Formal Argumentation 4th International Workshop, TAFA 2017, Melbourne, VIC, Australia, August 19-20, 2017, Revised Selected Papers - Black, Elizabeth; Black, Elizabeth; Modgil, Sanjay; Modgil, Sanjay; Oren, Nir; Oren, Nir (Springer International Publishing : Imprint: Springer, 2018)