Thisbook constitutes the thoroughly refereed post-conference proceedings of theSatellite Events of the 12th European Conference on the Semantic Web, ESWC2015, held in Portorǒz, Slovenia, in May/June 2015. The volume contains 12poster and 22 demonstration papers, selected from 50 submissions, as well as 22best workshop papers selected from 140 papers presented at the 16 workshopsthat took place at ESWC 2015. The papers covervarious aspects of the semantic web.

Thisbook constitutes the thoroughly refereed post-conference proceedings of theSatellite Events of the 12th European Conference on the Semantic Web, ESWC2015, held in Portorǒz, Slovenia, in May/June 2015. The volume contains 12poster and 22 demonstration papers, selected from 50 submissions, as well as 22best workshop papers selected from 140 papers presented at the 16 workshopsthat took place at ESWC 2015. The papers covervarious aspects of the semantic web.