From a ProQuest News Release:
Serials Solutions, a business unit of ProQuest LLC, and Elsevier, a world-leading provider of scientific, technical and medical information products, today announced their intention that the full-text of SciVerse ScienceDirect content will be indexed within the Summon web-scale discovery service. Researchers will be able to search the full text of all ScienceDirect journal articles and ebooks via the Summon service.