PWG Semantic Model v2 Copyright 2002-2008, IEEE Industry Standards and Technology Organization/ScanService Working Group. All rights reserved - version 1.17 - 4 April 2008 -Editors: Peter Zehler, Ira McDoanald ISSUE: (GP): I did not see a capability for the “light source” this can be changed in Copyning and can be done for the document type (paper, transparencies, negatives). Should this be a sequence of URI schemes?