Author digitised: De Roberto.
High resolution scans into multipage works; 2 TB, 8000 pp. Embedded metadata: physical features and some semantics, added in Adobe XMP.
Intended easy navigation, constant availability, long-term preservation (LOCKSS)
Storage element is pool of hard disks; file catalogue is virtual file system across storage systems. Metadata organised by collection.
gLibrary project allows digital library to be stored and accessed through Grid. Filtering browsing, like iTunes.