Abstract: article Free Access Share on The state of knowledge-based systems Authors: Frederick Hayes-Roth Teknowledge Corp., Palo Alto, CA Teknowledge Corp., Palo Alto, CAView Profile , Neil Jacobstein Teknowledge Corp., Palo Alto, CA Teknowledge Corp., Palo Alto, CAView Profile Authors Info & Claims Communications of the ACMVolume 37Issue 3March 1994 pp 26–39https://doi.org/10.1145/175247.175249Online:01 March 1994Publication History 98citation1,518DownloadsMetricsTotal Citations98Total Downloads1,518Last 12 Months173Last 6 weeks31 Get Citation AlertsNew Citation Alert added!This alert has been successfully added and will be sent to:You will be notified whenever a record that you have chosen has been cited.To manage your alert preferences, click on the button below.Manage my Alerts New Citation Alert!Please log in to your account Save to BinderSave to BinderCreate a New BinderNameCancelCreateExport CitationPublisher SiteeReaderPDF