Computational intelligence 11th International Joint Conference, IJCCI 2019, Vienna, Austria, September 17–19, 2019, Revised Selected Papers - Merelo Guervós, Juan Julián 1965-; Garibaldi, Jonathan; Linares-Barranco, Alejandro; Warwick, Kevin 1954-; Madani, Kurosh (Studies in computational intelligence, 2021)