Article published by Bruno Almeida, Nuno Freire, Ângela Salgueiro and Daniel Monteiro (ROSSIO) in "Controlled vocabularies and knowledge organisation for the digital humanities: Proceedings". The ROSSIO vocabularies, a set of controlled vocabularies modeled in SKOS (Simple Knowledge Organisation System), will facilitate the discoverability of the datasets and their semantic enrichment with Agents, Places, Periods and Topics. These vocabularies will be published as linked open data, being mapped to reference thesauri, gazetteers and other knowledge organisation systems in the linked open data cloud.