Hyperlink
From Wikipedia, the free encyclopedia
As a hyperlink, even for a short link (from the English for link, link, link), is defined as a reference to another document in a hypertext that can be tracked automatically by the hypertext system.
The concept of hyperlinks is functionally equivalent to the cross reference or footnote from the conventional Literature, in which the target of the link, however, be sought in the rule must be manually; a rather exotic exception to the read wheels.
Is derived from a document with a different "link" if it contains at least one hyperlink that points to the other.
Use
World Wide Web
Hyperlinks are a characteristic feature of the World Wide Web, they are the "icing on the World Wide Web Soup" (coin / Nefzger) and individual web pages and other documents available on the Internet link. The technical basis of hyperlinks on the Web is a standardized markup language (HTML).
Target of a link may be an existing file (Web page, image, audio file, video file, etc.) or a dynamically generated document. A link contains the address of the target, as a rule, URL. Usually a link also defines how it should be displayed for the user. In hypertext documents is given to almost always a link in the link text that the user sees.
The interpretation of the call via a link typically takes just a browser. Link references can also be software that recognizes the links are followed automatically.
The hyperlinks on the Web is a very simple implementation of hyperlinks, in contrast to previous systems, these links unidirectional, ie know the destination of anything about the fact that a link points to him, the target document is renamed or deleted, the link is not automatically corrected and there is a dead link.
Wikis
The individual pages of a wiki are hyperlinked, so-called WikiLinks linked. Here also a relatively simple implementation was realized by hyperlinks, but Wikipedia does a back reference (called backlinks), the links are thus at least partially bidirectional, and it can be distinguished from the internal links within a wiki, various other types of links, for example, those external documents.
Even the Wikipedia is a wiki, and here is used to identify a link its own syntax:
[[Ziel des Links]]would create a hyperlink to the Wikipedia page notional target of the link;Hypertext links from the internal network of the Wikipedia article on external Web sites - usually called links - will be created similar to:
[http://Ziel.des.externen.Links]would create a hyperlink to the fictitious external website Ziel.des.externen. Creating links.
Other wiki systems generate hyperlinks with a different syntax, for example by the so-called CamelCase.
Other hypertext systems
Other systems use hypertext links. The use of hyperlinks to these other systems is described in the article hypertext.
Disclaimer
Tim Berners-Lee, the "inventor" of the World Wide Web is, in analogy with footnotes and cross references in the scientific literature assumes that the mere presence of a hyperlink can constitute a violation of law, the author of a text do by attaching a footnote or a cross-reference automatically liable, not the content of the referenced document. The principle of mutual referencing is fundamental to scientific work, this would be illegal reference principle, this would be any scientific work in our present understanding impossible (cf. On the Shoulders of Giants).
This view not shared by all courts, although the legal literature itself intensively uses the principle of reference. So far still no uniform case law developed, however, can be warned of a hyperlink on a web site free of charge in Germany, the attachment, are as a rule high conflict levels in the range of 50,000 to 250,000 euros set, resulting in each case, high legal costs in the order of several thousand euros resulted. The policies of legal protection insurance to cover such litigation generally does not. The legal problems of the hyperlinks in the article is discussed in detail liability for hyperlinks.
So far, there were several judgments in the West German area, the site operators whose sites page links to discredited, many convicted of aiding and abetting crimes. Therefore it was of a variety of Web site operators considered advisable to explicitly distance themselves on their own site content. (The oft-quoted sentence of the Court of Hamburg, file number 312 O 85/98, on the basis of a comparison was not final and the court had never advised to distance itself from other parties.) Meanwhile, the case law seems to move away from this, as recent judgments show. For example, a website operator had in a document linked to below include sites that evaluated the public prosecutor to be quite extreme and glorifying violence. Meanwhile, the website operator was acquitted by a higher court.
Visualization
As a rule, large networks can be linked as a directed cyclic graph represent where the edges and corners of links or nodes are formed by referencing pages.
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