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The hyperlink structure of the web is described by the webgraph: the nodes of the web graph correspond to the web pages (or URLs) the directed edges between them to the hyperlinks. Over time, many web resources pointed to by hyperlinks disappear, relocate, or are replaced with different content.
The nasa.gov home page in 2015. The World Wide Web (WWW) was created in 1989 by the British CERN computer scientist Tim Berners-Lee. [1] [2] On 30 April 1993, CERN announced that the World Wide Web would be free to use for anyone, contributing to the immense growth of the Web. [3]
The underlying concept of hypertext as a user interface paradigm originated in projects in the 1960s, from research such as the Hypertext Editing System (HES) by Andries van Dam at Brown University, IBM Generalized Markup Language, Ted Nelson's Project Xanadu, and Douglas Engelbart's oN-Line System (NLS).
Each web page is identified by a distinct Uniform Resource Locator (URL). When the user inputs a URL into their web browser, the browser retrieves the necessary content from a web server and then transforms it into an interactive visual representation on the user's screen.
HTML documents imply a structure of nested HTML elements. These are indicated in the document by HTML tags, enclosed in angle brackets thus: < p >. [73] [better source needed] In the simple, general case, the extent of an element is indicated by a pair of tags: a "start tag" < p > and "end tag" </ p >. The text content of the element, if any ...
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URL; Uniform resource locator: Abbreviation: URL: Status: Published: First published: 1994; 31 years ago (): Latest version: Living Standard 2023: Organization ...
As part of a new combined leadership structure, Steve Matthews has been named head of scripted, creative and Johannes Jensen head of scripted, business. The two will work in unison and report to ...