Analysis of images, social networks and texts 7th International Conference, AIST 2018, Moscow, Russia, July 5-7, 2018 : revised selected papers - Aalst, Wil van der 1966-; Batagelj, Vladimir 1948-; Glavaš, Goran; Ignatov, Dmitrij I.; Chačaj, Michail Ju; Kuznetsov, Sergei O.; Kolʹcova, Olesʹja; Lomazova, Irina A.; Loukachevitch, Natalia; Napoli, Amedeo; Panchenko, Alexander; Pardalos, Panos M. 1954-; et al. (Information systems and applications, incl. internet/web, and HCI, 2018)