John Bateman, Robert Kasper, Johanna Moore and Richard Whitney (1989) A general organization of knowledge for natural language processing: The Penman Upper Model. Technical Report. Information Sciences Institute. Marina del Rey, California.
@TECHREPORT{UM-89, author = {John A. Bateman and Robert T. Kasper and Johanna D. Moore and Richard A. Whitney}, title = {A general organization of Knowledge for natural language processing: the {PENMAN} Upper Model}, institution = {USC/Information Sciences Institute}, year = {1990}, address = {Marina del Rey, California}, topics = {area:sfl; area:compling, area:ontology}, }
@INPROCEEDINGS{HenschelBateman94-coling, author = {Renate Henschel and John A. Bateman}, title = {The merged upper model: a linguistic ontology for {G}erman and {English}}, booktitle = {Proceedings of {COLING} '94}, year = {1994}, address = {Kyoto, Japan}, month = aug, topics = {area:ontology}, }