conceptual structures first call papers seventh international conference conceptual structures iccs 99 http www ee vt edu iccs99 july 1215 1999 virginia tech blacksburg virginia theme knowledge science engineering conceptual structures since 1993 iccs annual conference principal forum theorists practitioners conceptual structures invite researchers users conceptual structures knowledge representations ontologists formal logics related disciplines participate iccs 99 previous conferences conceptual structures spanned theory application demonstration software tools iccs 99 looks extend foundation knowledge engineering using conceptual structures conceptual structures based conceptual graphs introduced john sowa rooted semantic networks existential graphs c peirce conceptual structures widely used several domains natural language processing knowledge based systems knowledge engineering database design among others researchers developed sizable software base continue build upon particular desire iccs 99 encourage presentation software tools interesting applications conceptual structures iccs proceedings published springer verlag lecture notes artificial intelligence series references previous iccs 699 quebec city 1993 835 washington c 1994 954 santa cruz 1995 1115 sydney 1996 1257 seattle 1997 montpelier 1998 important dates presentation page submission deadline december 23 1998 paper submission deadline january 1st 1999 paper notification acceptance march 10 1999 camera ready papers due april 10 1999 topics interest papers invited topics concerning conceptual graphs graphical knowledge representation languages including limited case studies applications software tools systems theory conceptual structures conceptual structures formal logic epistemology history conceptual structures knowledge representation relationships knowledge representation formalisms algorithms complexity reasoning learning conceptual structures storage retrieval conceptual structures natural language processing knowledge acquisition knowledge engineering modeling ontologies formal concept analysis cognitive psychology using conceptual structures submission guidelines three categories papers defined 1 theory analysis 2 applications use conceptual structures significant applications 3 tools tools conceptual structures category three types papers considered major reports long papers substantial papers new results b research notes short papers workin progress specific results c position papers letters major reports application tool categories based running implementations demonstrations running implementations conference encouraged research notes may based partial implementations designs position papers allows individuals report current activities conjectures within area defined call papers without need presenting results submitted papers must english major reports limited 14 standard size pages length single spaced including title author names affiliations abstract figures references research notes limited 7 pages constraints position papers limited 1 page authors specify category type submitted paper according referee reports changes category type may required accepted papers published proceedings registration one authors required final version accepted paper submitted papers must received january 1st 1999 separate presentation page requested earlier december 23 1998 presentation page contain following information title category theory analysis applications tools type major report research notes position paper paper names affiliation email addresses authors postal address one author chosen corresponding author one two keywords chosen topics interest list possibly additional phrases describing content available keywords fit well abstract form presentation page provided iccs 99 web site due time authors may also send presentation page plain text format electronic mail iccs99 monmouth edu papers submitted electronically using postscript format please make sure paper entirely printable postscript file encounter problem please contact program chair btepfenh moncol monmouth edu special sessions addition main conference special session sisyphus conceptual graphs initiative papers submitted separately questions concerning special track referred prof guy mineau mineau ift ulaval ca dr dickson luckose lukose brightware com organizing committee general chair walling cyre virginia tech blacksburg virginia usa cyre vt edu program chair william tepfenhart att laboratories new jersey usa monmouth university new jersey usa btepfenh moncol monmouth edu 732 5713480 honorary chair john f sowa suny binghamton usa sowa west poly edu