obsolete2_text based digital entity OBI_0000132 group:OBI true 3/22/2009 Alan Ruttenberg, obsoleted per http://groups.google.com/group/information-ontology/browse_thread/thread/789ad4b7708d5cf4 superclass was 'digital document' A text based digital entity is a digital entity that is encoded so that it only contains text characters. XML file, C++ source code file digital_entity person:Chris Stoeckert text based digital entity Obsolete Class failed exploratory term