doi dblpCognitive Computing Track Chairs' Welcome & OrganizationMiltiadis D. Lytras | Naif Radi Aljohani | Amir Hussain | Jiebo Luo | Jacky Xi ZhangCompanion of the The Web Conference 2018 on The Web Conference 2018, WWW 2018, Lyon , France, April 23-27, 2018