The Distributed National Electronic Resource (DNER) is a managed information environment for accessing quality assured Internet resources from many sources. These resources include scholarly journals, monographs, textbooks, learning objects, abstracts, manuscripts, maps, music scores, still images, geospatial images and other kinds of vector and numeric data, as well as moving picture and sound collections.

http://www.ukoln.ac.uk/distributed-systems/jisc-ie/arch/dner-arch.html