This presentation addresses the current status of ongoing projects under that responsibility of the Publications Office of the European Union (Publications Office) that contribute to the Semantic web: (a) CELLAR, a repository exposing metadata about official EU information as Linked Open Data that the Publications Office is preparing to open to the public with data loading ongoing since June 2012. (b) The Open Data Portal, (technical implementation directed by the Publications Office (a beta version of which has been available on the web since mid-December 2012), which provides metadata (information about datasets) and several data sets as Linked Open Data. c) Standardisation The Publications Office has contributed the definition of the European Legislation Identifier (ELI). ELI is based on machine-readable URI templates. The Publications Office provides multilingual controlled vocabularies for re-use.