Matt Fuller

نویسنده

  • Matt Fuller
چکیده

Traditionally users subscribe to RSS feeds of interest using an RSS feed reader. The RSS feed reader periodically polls the subscribed feeds for updates or items to be displayed to the user. Many RSS feeds usually pertain to a single news source or blog. Others may aggregate various feeds usually on some topic and produce a single RSS feed. Middleware publishsubscribe systems allow users to subscribe a list of keywords of topics. The middleware may crawl RSS feeds and filters relevant items matching the users’ subscription [1]. This architecture decouples the publisher from the subscriber. This type of system can be described as stateless [2].

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تاریخ انتشار 2007