COMMENT ā VALID 00002 PAGES C REC PAGE DESCRIPTION C00001 00001 C00002 00002 Walker@SRI-AI.ARPA, Amsler@SRI-AI.ARPA, Nilsson@SRI-AI.ARPA, C00003 ENDMK Cā; Walker@SRI-AI.ARPA, Amsler@SRI-AI.ARPA, Nilsson@SRI-AI.ARPA, Buchanan@SUMEX-AIM, Genesereth@SUMEX-AIM,aaai-office@SUMEX-AIM, feinler@sri-nic,reddy@cmu-cs-a