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by Johannesson, Paul; Lee, Mong Li; Liddle, Stephen W.; et al.
by Glover, Steven M.; Prawitt, Douglas F.; Liddle, Stephen W.
by International Conference on Conceptual Modeling 2000 Salt Lake City; Liddle, Stephen W.; Mayr, H. C.; et al.
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by Hameurlain, Abdelkader; Liddle, Stephen W.; Schewe, Klaus-Dieter; et al.
by Liddle, Stephen W.; Schewe, Klaus-Dieter; Tjoa, A. Min; et al.
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