[graph1_on_article
     [an article,
          Coverage: knowledge_representation,
          title: "What Is a Knowledge Representation?",
          Creator: "Randall Davis, Howard E. Shrobe and Peter Szolovits",
          object of: (a publishing,
               time: 1993 ,
               place: (the object_section "14:1 p17-33",
                    part of: AI_Magazine)),
          url: http://medg.lcs.mit.edu/ftp/psz/k-rep.html]
](06/05/2024);