6 Ways to Filter Your RSS Feeds - ReadWriteWeb
Buzz Marketing for Technology
JUNE 27, 2008
You get a good choice of conditions built from combining choices in two drop-down menus; you can then add multiple conditions to each rule e.g. "Title : contains : geotag". I used Yahoo Pipes for filtering RSS on Web 2.0 By the way, Gregarius is a PHP/Mysql RSS/RDF/ATOM feed aggregator licensed under the GPL.
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