INSPIRE is High Energy Physics (HEP) information system, built by CERN, DESY, Fermilab and SLAC. It combines the SPIRES database content, curated at DESY, Fermilab and SLAC, with the Invenio digital library technology developed at CERN. INSPIRE is run by a collaboration of CERN, DESY, Fermilab, IHEP, and SLAC, and interacts closely with HEP publishers, arXiv.org, NASA-ADS, PDG, HEPDATA and other information resources.It contains high-energy physics related articles, including journal papers, preprints, e-prints, technical reports, conference papers and theses.