Semantic Web Challenges 5th SemWebEval Challenge at ESWC 2018, Heraklion, Greece, June 3-7, 2018, Revised Selected Papers - Buscaldi, Davide; Buscaldi, Davide; Gangemi, Aldo; Gangemi, Aldo; Reforgiato Recupero, Diego; Reforgiato Recupero, Diego (Springer International Publishing : Imprint: Springer, 2018)