An application program interface (API) embodied on one or more computer readable media, comprising a first group of services related to integrating content repositories into virtual content repositories (VCRs), a second group of services related to manipulating information in VCRs, a third group of services...http://www.google.se/patents/US7840614?utm_source=gb-gplus-sharePatent US7840614 - Virtual content repository application program interface
