 His link-server software, SFX, was purchased by the library automation company Ex Libris Group which popularized OpenURL in the information industry.In 2005, a revised version of OpenURL (version 1.0) became ANSI/NISO standard Z39.88-2004, with Van de Sompel's version designated as version 0.1.The new standard provided a framework for describing new formats, as well as defining XML versions of the various formats.