RSS and Atom in the Social Web

RSS and Atom in the Social Web Dr. Harry Chen CMSC 491S/691S March 10, 2008

Agenda ,[object Object],[object Object],[object Object],[object Object]

What’s RSS? RSS R eally S imple S yndication (RSS 2.0) R DF S ite S ummary (RSS 1.0, RSS 0.90) R ich S ite S ummary (RSS 0.91) There is a story behind all those names…

Before RSS (before 1997) ,[object Object]

The Birth of RDF ,[object Object],[object Object],[object Object],* Guha now leads Google Custom Search @ Google http://en.wikipedia.org/wiki/Ramanathan_V._Guha

[object Object],[object Object],[object Object],[object Object],[object Object],The Birth of RSS Note: RSS has its roots in RDF

RSS at the Forkroad RSS-Dev Working Group (R.V. Guha) Dave Winer RSS 0.91 RSS 1.0 (Dec. 2000) RSS 0.93, 0.94 (withdrawn) RSS 2.0 (Sept 2002)

The Birth of Confusion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Timeline Source: http://www.shopwithoutborders.com/history.html Where did this come from?

Atom ,[object Object],[object Object],[object Object],[object Object],[object Object],AtomEnabled http://atomenabled.org

About Atom ,[object Object],[object Object],[object Object],[object Object]

Overview ,[object Object],[object Object],[object Object],Examples are adopted from http://www.mnot.net/rss/tutorial/

RSS 1.0 ,[object Object],[object Object],[object Object]

RSS 1.0 and RDF ,[object Object],[object Object]

RSS 2.0 ,[object Object],[object Object]

XML Namespace in RSS 2.0 ,[object Object],[object Object],[object Object]

Why Atom 1.0 maybe better than RSS 2.0 ,[object Object],[object Object],http://www.intertwingly.net/wiki/pie/Rss20AndAtom10Compared

RSS 2.0 Content Encoding ,[object Object],[object Object],[object Object],[object Object]

Atom Content Encoding ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Content Description ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

How Social Web Applications Use RSS and Atom

How We Use RSS http://www.micropersuasion.com/2006/06/35_ways_you_can.html

RSS & Atom in the Social Web ,[object Object],(1) Pushing news and updates to the users (2) Describing Web resources (3) Publishing and editing Web resources

Pushing News and Updates ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Describing Web Resources Solution: RSS http://www.readwriteweb.com/archives/the_future_of_rss.php

Web Resource with Multi-dimensional Properties Resources Relates to a YouTube video (link?) John Smith is in this picture (homepage?) Taken on 2007/12/03 @ 10:00PM Johnny is the photographer (homepage?) Relates to a family trip (trip’s homepage?) Location Piccadilly Square (latitude/longitude?)

Some Examples ,[object Object],[object Object],[object Object],[object Object]

OpenSearch ,[object Object],[object Object],[object Object],http://www.opensearch.org

Create a GBase Item Item properties

GBase’s Attributes ,[object Object],[object Object],[object Object],[object Object],[object Object]

About AtomPub ,[object Object],Client Server HTTP GET, POST, DELETE

AtomPub model http://bitworking.org/projects/atom/draft-ietf-atompub-protocol-04.html Remember CRUD?

What can you do with AtomPub? ,[object Object],[object Object],[object Object],[object Object]

Why AtomPub is interesting ,[object Object],[object Object],[object Object],[object Object]

Summary ,[object Object],[object Object]

AtomPub and beyond ,[object Object],[object Object]

RSS and Atom in the Social Web

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