An Experimentation Platform for Explainable Coalition Situational Understanding. - Katie Barrett-Powell; Jack Furby; Liam Hiley; Marc Roig Vilamala; Harrison Taylor; Federico Cerutti 001; Alun D. Preece; Tianwei Xing; Luis Garcia 001; Mani B. Srivastava; Dave Braines (CoRR, 2020)