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== RSS - RDF Site Summary aka Rich Site Summary aka Really Simple Syndication ==





An RSS 2.0 document, called a "feed", "web feed", or "channel", contains either full text or a summary of content from a linked website. It is an easy way to keep up with new information on the user's chosen websites. e.g. feeds can be sent directly to a user's inbox.


Really Simple Syndication (RSS 2.0)
 
RDF Site Summary (RSS 1.0 and RSS 0.90)
 
Rich Site Summary (RSS 0.91) 




RDF - [http://www.w3.org/RDF/ Resource Description Framework] is a family of [http://www.w3.org/ W3C] specifications which integrate various applications and events using XML as an interchange syntax.




*In 1997 [http://dave.scripting.com/ Dave Winer] at [http://www.userland.com/ UserLand] designed the XML syndication format [http://www.scripting.com/davenet/1997/12/15/scriptingNewsInXML.html scriptingNews]. 


*In 1999 the [http://www.w3.org/ World Wide Web Consortium] (W3C) published their specifications for the RDF format RSS 0.90. 


*In 1999 Netscape designed RSS 0.90 for use with my.netscape.com, which also supported scriptingNews format. 


*UserLand took up the RSS 0.91 dropped by Netscape and went on to design 0.02/3/4 and RSS 2.0.


*In 2000 the [http://tech.groups.yahoo.com/group/rss-dev/ RSS-DEV Working Group], a private, non-commercial working group released its own set of specifications called RSS 1.0.


*In 2003, Winer and UserLand Software assigned the copyright of the RSS 2.0 specification to Harvard's Berkman Center for the Internet & Society.


{| cellpadding="10" border="1" cellspacing="0"
|RSS 0.90	||Netscape			||Obsoleted by 2.0          ||Based on RDF  
|-
|RSS 0.91	||UserLand                      ||Obsoleted by 2.0
|-
|RSS 1.0	||RSS-DEV Working Group		||Active module development ||Based on RDF  
|-
|RSS 0.92/3/4	||UserLand                      ||Obsoleted by 2.0
|-
|RSS 2.0	||UserLand                      ||Active module development
|}
[http://www.xml.com/pub/a/2002/12/18/dive-into-xml.html More information on RSS]