Web annotation |
A Web annotation is an online-annotation associated with a web resource (typically a web page). By using a Web annotation system a user can add, modify or remove information from a Web resource without actually modifying the resource itself.
The annotations can be thought of as being applied on a layer on top of the existing resource. Any particular annotation layer is visible to users who share the same annotation system
=How Web annotations work=
In Annozilla web annotations are stored as Resource Description Framework on a server, using XPointer to identify the region of the Web document being annotated.
=Uses of Web annotations=
A Web annotation system is a type of social software tool.
Annotations can be used, for example:
Web annotations have the potential of transforming the whole Web into a Wiki by allowing at least virtual (and therefore unlimited and concurrent/alternative) editing of any Web resource.
=Web annotation systems=
Web annotation systems are being developed as part of standard web browsers. Those currently under development include: *[http://annozilla.mozdev.org/ Annozilla] for Mozilla browsers. *[http://www.w3.org/2001/Annotea/ Annotea] for the W3C s Amaya (web browser) browser. *[http://www.annotea.org Annotea Ubimarks] for Mozilla browsers *[http://www.worldforum.dk/ World Forum] for all browsers (except Safari and MSIE for Mac). Creates a discussion forum on any homepage, document or ftp site. No plugin required. Client-side use JavaScript only. *[http://www.wikalong.org/ Wikalong] for Mozilla Firefox *[http://sourceforge.net/projects/annoty/ Annoty/eLAWS] Web Service-based system. *[http://www.e-marked.com/ E-Marked] Fully featured easy to use commercial system. *[http://matchbox01.cs.latrobe.edu.au/annosource/ AnnoSource] Currently under development at La Trobe University, Australia. Aims to increase content access features of annotations
=References=
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