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Re:Show HN - A tweetmeme of its own for every city by harprit on Thursday January 19, 2012 @07:00AM (#3484094)
looks great.. way to go.. ranking tweets based on re-tweets is the best way to filter out twitter noise.. a suggestion would be to keep it local to begin with.. india specific.. else it'll again somewhat become noise at international level..

I created something on same lines but much much smaller (and minimal) : www.lessvu.com

primarily to track certain active communities in india.. (presently works for journalists only)

Re:Show HN - A tweetmeme of its own for every city by kalkat on Thursday January 19, 2012 @07:46AM (#3484252)
thanks. Retweets is just one rule. Pretty much like google uses back links as an indicator, but has 200-300 other rules, we use retweets as an indicator but have 100+ rules probably. or around. These rules are spread across metadata analysis (language based, response type, location based filtering etc), statistical analysis(no of retweets, recency based scoring etc) and linguistic/textual analysis (syntactical construction, use of spammy words, characters etc)