The fifth PUBMET2018 conference, the Croatian national OpenAIRE event, took place on September 19-21, 2018 in Zadar, Croatia. The surroundings – three thousand years old Mediterranean city - were well suited for our discussions about open science. Participants from different countries such as Netherlands, Italy, Ireland, Latvia, Hungary, Germany, Poland, Spain, Great Britain, Bosnia and Herzegovina and Croatia came to present and discuss their work in the area of schola...