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13. Subscription and Aggregation with RSS

Chapter 13. Subscription and Aggregation with RSS

If vocabularies such as the Dublin Core can be considered children of RDF, then RSS is the specification’s rebellious teenager. RSS, or RDF Site Summary (and sometimes Rich Site Summary or Really Simple Syndication) is primarily used for syndication and aggregation. O’Reilly’s news service, Meerkat, with its continuously updating news headlines, uses RSS for its data feeds.

RSS is also the most prevalent implementation of RDF in the world at this time, primarily through its use in weblogging and with popular online media outfits such as BBC News, Salon, Wired, and others. (If you’re not familiar with weblogging, weblogs are online journals that are usually updated daily, with most recent entries showing at the top of the page in a reverse chronological order. Weblogging, or blogging as it’s frequently termed, has increased in popularity in the last few years, and estimates now put the number of weblogs at more than 500,000 in the world.)


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