Principles of semantic networks : explorations in the representation of knowledge / edited by John F. Sowa ; contributors: Alexander Borgida, Ronald J. Brachman, Michael J. Coombs, J.M. Crawford, Roger T. Hartley, Barbara Hayes-Roth, Rattikorn Hewett, Paul S. Jacobs, Alfred Kobsa, Benjamin Kuipers, Hector J. Levesque, Robert Mac Gregor, Deborah L. McGuinness, Bernhard Nebel, Lori Alperin Resnick, Peter F. Patel-Schneider, Lenhart K. Schubert, Bart Selman, Stuart C. Shapiro, Lokendra Shastri, Douglas Skuce, Richmond H. Thomason, David S. Touretzky, Robert Wilensky, W.A. Woods, Wlodek Zadrozny.    San Mateo, California : Morgan Kaufmann Publishers, Inc., [1991]  ©1991 . xi, 582 stran