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RSS RSS Presentation Transcript

  • RSS WWW User School of Computer Science 2007-2008
  • Aims • Knowing how RSS works • Recognising feed presence in web sites • Providing contents using RSS • Using a RSS reader • registering in an online reader • subscribing to interesting feeds • feeds managing
  • more than 70 mill blogs more than 1.3 mill posts per day more than 54.000 posts per hour and postcasts, photograhpies, videos... (Octavio Rojas. Web 2.0. Manual (no oficial) de uso)
  • How can we pay attention to favourite sites updates?
  • What is RSS? • Really Simple Syndication • Subscription to dynamic contents • Push technology: information came to us
  • How does it work? • When an article is published, the RSS captures the changes • Periodically, a reader checks for updates in the subscribed feeds
  • RSS in plain english
  • What is a feed? • similar to bookmarks • an XML file • automatically updated when web site changes
  • RSS 2.0 labels <rss> <channel> <title>Name of the site</title> <link>web address</link> <description>Short description</description> <item> <title>Post title</title> <link>Post URL</link> <description>Post contents</description> </item> </channel> </rss>
  • How can I suscribe? By clicking on the symbols that appear in the web sites
  • RSS Readers • Programs to read feeds • On-line: using a browser • Clients: locally installed • Extensions for browsers or e-mail clients
  • Additional services • Clipping • to save favourite annotations • Playlist • summary of favourite feeds • Sharing subscriptions: blogroll • Searching
  • Free RSS Readers on line Bloglines Google Reader Rojo Netvibes
  • Free RSS Readers on line NetNewsWire RSSOwl (NewsGator)