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article Free Access Share on Xanalogical structure, needed now more than ever: parallel documents, deep links to content, deep versioning, and deep re-use Author: Theodor Holm Nelson Project Xanadu, Keio University Project Xanadu, Keio UniversityView Profile Authors Info & Claims ACM Computing SurveysVolume 31Issue 4esDec. 1999 pp 33–eshttps://doi.org/10.1145/345966.346033Published:01 December 1999Publication History 50citation2,161DownloadsMetricsTotal Citations50Total Downloads2,161Last 12 Months117Last 6 weeks7 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 AlertsNew Citation Alert!Please log in to your account Save to BinderSave to BinderCreate a New BinderNameCancelCreateExport CitationPublisher SiteeReaderPDF
Theodor Holm Nelson (Wed,) studied this question.