collective agent based systems call papers esslli workshop foundations applications collective agent based systems cabs workshop held section computation part eleventh european summer school logic language information esslli99 august 1620 1999 utrecht netherlands program committee wiebe van der hoek utrecht university john jules meyer utrecht university cees witteveen delft university mike wooldridge university london invited speaker christiano castelfranchi university siena organisers wiebe van der hoek utrecht university wiebe cs uu nl john jules meyer utrecht university jj cs uu nl cees witteveen delft university witt cs tudelft nl questions concerning workshop may addressed organizers background workshop concerns description specification reasoning collective agentbased systems e multiagent systems sense coordinated networks autonomous agents typical issues addressed logicbased approaches communication synchronisation coordination cooperation conflict handling negotiation collective intentions goals goals commitments topics include incident handling faulttolerant behaviour systems finally applications collective agentbased systems e g transportation trade ecommerce subject discussion workshop keywords theories logics specification formalisms multi agent systems models agent communication coordination cooperation competition collective intentions contracts delegation social commitment roles etc models specification emergent behaviour theories agent negotiation argumentation coalition formation conflict handling resolution models methods conflict resolution multiagent programming approaches dealing incident handling faulttolerance mas applications e g transport trade ecommerce workhsop organised workshop consist five sessions 90 min presentation discussion contributed papers take place second week esslli summer school open members lli community submissions researchers area especially ph students young researchers encouraged submit abstract hard copy email 12 pages following address wiebe van der hoek department computer science po box 80089 3508 tb utrecht netherlands wiebe cs uu nl summary dates march 15 99 deadline submissions may 1 99 notification acceptance may 31 99 deadline final copy aug 9 99 start esslli 99 aug 16 99 start workshop registration workshop contributors required register esslli99 information obtain information workshop please go http pds twi tudelft nl cabs esslli _ 99 htm esslli99 home page http esslli let uu nl