Martin Ph. (2003). 
Correction and Extension of WordNet 1.7.
ICCS 2003,
11th International Conference on Conceptual Structures,
(© Springer Verlag, LNAI 2746, pp. 160-173),
Dresden, Germany, July 21-25, 2003.
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Case-by-case details in this HTML documentation (+ exports in various formats).
The resulting general multi-source ontology has been
  voted as candidate 
  material for a standard by the IEEE P1600.1 SUO group.