Hypertext is text displayed on a computer display or other electronic devices with references (hyperlinks) to other text that the reader can immediately access. Hypertext documents are interconnected by hyperlinks, which are typically activated by a mouse click, keypress set, or screen touch. Apart from text, the term "hypertext" is also sometimes used to describe tables, images, and other presentational content formats with integrated hyperlinks. Hypertext is one of the key underlying concepts of the World Wide Web, where Web pages are often written in the Hypertext Markup Language (HTML). As implemented on the Web, hypertext enables the easy-to-use publication of information over the Internet.
In computer science, transclusion is the inclusion of part or all of an electronic document into one or more other documents by reference via hypertext. Transclusion is usually performed when the referencing document is displayed, and is normally automatic and transparent to the end user. The result of transclusion is a single integrated document made of parts assembled dynamically from separate sources, possibly stored on different computers in disparate places.
HyperCard is a software application and development kit for Apple Macintosh and Apple IIGS computers. It is among the first successful hypermedia systems predating the World Wide Web.
Symbolics, Inc., was a privately held American computer manufacturer that acquired the assets of the former company and continues to sell and maintain the Open Genera Lisp system and the Macsyma computer algebra system.
In computing, a hyperlink, or simply a link, is a digital reference to data that the user can follow or be guided to by clicking or tapping. A hyperlink points to a whole document or to a specific element within a document. Hypertext is text with hyperlinks. The text that is linked from is known as anchor text. A software system that is used for viewing and creating hypertext is a hypertext system, and to create a hyperlink is to hyperlink. A user following hyperlinks is said to navigate or browse the hypertext.
Project Xanadu was the first hypertext project, founded in 1960 by Ted Nelson. Administrators of Project Xanadu have declared it superior to the World Wide Web, with the mission statement: "Today's popular software simulates paper. The World Wide Web trivialises our original hypertext model with one-way ever-breaking links and no management of version or contents."
A/UX is a Unix-based operating system from Apple Computer for Macintosh computers, integrated with System 7's graphical interface and application compatibility. It is Apple's first official Unix-based operating system, launched in 1988 and discontinued in 1995 with version 3.1.1. A/UX requires select 68k-based Macintosh models with an FPU and a paged memory management unit (PMMU), including the Macintosh II, SE/30, Quadra, and Centris series.
This article presents a timeline of hypertext technology, including "hypermedia" and related human–computer interaction projects and developments from 1945 on. The term hypertext is credited to the author and philosopher Ted Nelson.
Guide was a hypertext system developed by Peter J. Brown at the University of Kent in 1982. The original Guide implementation was for Three Rivers PERQ workstations running Unix. The Guide system became the third hypertext system to be sold commercially, marketed by Office Workstations Ltd (OWL) in 1984 and later by InfoAccess. It won Brown the British Computer Society's award for technical innovation in 1988. He retired in 1999 and died of cancer in 2007, according to a tribute page at the University of Kent website.
The Interactive Encyclopedia System, or TIES, was a hypertext system developed in the University of Maryland Human-Computer Interaction Lab by Ben Shneiderman in 1983. The earliest versions of TIES ran in DOS text mode, using the cursor arrow keys for navigating through information. A later version of HyperTIES for the Sun workstation was developed by Don Hopkins using the NeWS window system, with an authoring tool based on UniPress's Gosling Emacs text editor.
Hypermedia, an extension of the term hypertext, is a nonlinear medium of information that includes graphics, audio, video, plain text and hyperlinks. This designation contrasts with the broader term multimedia, which may include non-interactive linear presentations as well as hypermedia. It is also related to the field of electronic literature. The term was first used in a 1965 article written by Ted Nelson.
HyperCourseware is a prototype electronic educational environment developed in 1990 by Kent Norman at the University of Maryland, College Park, to be used in an electronic classroom called the "Teaching Theater." The goal was to rehost electronically all of the things that go into education: the materials,, the tools, and the processes.
Hypervideo, or hyperlinked video, is a displayed video stream that contains embedded, interactive anchors, allowing navigation between video and other hypermedia elements. Hypervideo is similar to hypertext, which allows a reader to click on a word in one document and retrieve information from another document, or another place in the same document. Hypervideo combines video with a non-linear information structure, allowing a user to make choices based on the content of the video and the user's interests.
The Human–Computer Interaction Lab (HCIL) at the University of Maryland, College Park is an academic research center specializing in the field of human-computer interaction (HCI). Founded in 1983 by Ben Shneiderman, it is one of the oldest HCI labs of its kind. The HCIL conducts research on the design, implementation, and evaluation of computer interface technologies. Additional research focuses on the development of user interfaces and design methods. Primary activities of the HCIL include collaborative research, publication and the sponsorship of open houses, workshops and annual symposiums.
The Electronic Document System (EDS) was an early hypertext system – also known as the Interactive Graphical Documents (IGD) hypermedia system – focused on creation of interactive documents such as equipment repair manuals or computer-aided instruction texts with embedded links and graphics. EDS was a 1978–1981 research project at Brown University by Steven Feiner, Sandor Nagy and Andries van Dam.
Storyspace is a software program for creating, editing, and reading hypertext fiction. It can also be used for writing and organizing fiction and non-fiction intended for print. Maintained and distributed by Eastgate Systems, the software is available both for Windows and Mac.
Hypertext is text displayed on a computer or other electronic device with references (hyperlinks) to other text that the reader can immediately access, usually by a mouse click or keypress sequence. Early conceptions of hypertext defined it as text that could be connected by a linking system to a range of other documents that were stored outside that text. In 1934 Belgian bibliographer, Paul Otlet, developed a blueprint for links that telescoped out from hypertext electrically to allow readers to access documents, books, photographs, and so on, stored anywhere in the world.
The File Retrieval and Editing SyStem, or FRESS, was a hypertext system developed at Brown University starting in 1968 by Andries van Dam and his students, including Bob Wallace. It was the first hypertext system to run on readily available commercial hardware and OS. It is also possibly the first computer-based system to have had an "undo" feature for quickly correcting small editing or navigational mistakes.
CL-HTTP is a web server, client and proxy written in Common Lisp. It is based on its own web application framework. It was written by John C. Mallery "in about 10 days" starting in 1994 on a Symbolics Lisp Machine. In the same year a port to Macintosh Common Lisp was done. In 1996 CL-HTTP became the first web server to support the HTTP 1.1 protocol. It runs on Unix, Linux, BSD variants, Mac OS X, Solaris, Symbolics Genera and Microsoft Windows.
The ACM Conference on Hypertext and Social Media (Hypertext) is one of the oldest international conference series on the crossroads of Human-Computer Interaction and Information Science. The full list of conferences in the series can be found on the Association for Computing Machinery Hypertext Web page, and papers are available through the ACM Digital Library.
