Thepaci?criminternationalconferenceonarti?cialintelligence(pricai)is Theleadingconferenceinthepaci?crimregionforthepresentationofresearch Andthelatestdevelopmentsinarti?cialintelligence,includingtheapplication Of Ai To Problems Of Social And Economic Importance. Pricai 2000 Was The Sixthinthebiennialseriesofconferencesandwasheldinmelbourne,australia, August28–september1,2000. Thepricai2000workshopsweredesignedtoprovideaforumforrese- Chersandpractitionerstopresentandexchangethelatestdevelopmentsatthe Aifrontier. Workshopsaremorespecializedandonasmallerscalethancon- Rencestofacilitateactiveinteractionamongtheattendees. Theyencourageai Theoriestomeetreality,airesearcherstoworkwithpractitioners,andviceversa. Throughworkshops,bothsidesgetexposuretoevolvingresearchandtools,and Tothepracticalproblemstowhichaicanbeapplied.^ Asanexcellentindicator Ofthecurrentlevelofactiveresearchanddevelopmentactivities,pricai2000 Includedatotalofsevenworkshops:aiandtheinternet,intelligentinfor- Tionagents,applicationsofaiinindustry,multi-agentsystems,textandweb Mining,aiine-commerce,andteamswithadjustableautonomy. The Work From Four Of The Seven Workshops Has Formed This Unique Coll- Tion Of Four Parts. Parti Reports On Applications Of Ai In Industry;partii Coversaiine-commerce;partiii Detailsintelligentinformationagents,and Partiv Discussestheissuesofteamworkandadjustableautonomyinagents. Eachworkshoppaperwasacceptedafterreviewbyatleasttwoexperts. Further Improvementswereincludedinmanypapersinpreparationforthiscollection. Readerscan?nddiversetopicsandcarefuldiscussionscenteredaroundthefour Importantthemesinoureverchangingworld.^ Thiscollectionplaysanimp- Tantroleinbridgingthegapbetweenaitheoryandpractice,toemphasizethe Importanceofaiintheresearchanddevelopmentofagents,e-commerce,and Inmanyreal-worldapplications,andtopublicizeandextendaitechnologyto Manydomainsinthisfastmovinginformationage. Thechairsoftheworkshopsdidanexcellentjobinbringingtogethermany Airesearchersandpractitionersfromthe