[PHP] News aggregator (clustering similar news)

I want to build a news aggregating website similar to Google News or TechMeme. Can you recommend news aggregator script for rss feeds aggregation and clustering similar news (filtered by the Title and Description/Summary keywords) into one post.

This is exactly what I want, but it's a Python script, I want to do the same but in PHP.
www.p-value.info/2012/12/howto-build-news-aggregator-in-100-loc.html

Morpheus696 said:

http://www.phpbuilder.com/articles/php-functions/xml/building-a-php-rss-aggregator.html

Click to expand...

This is not what I'm looking for. Check the link in the first post.