1. Catching the long-tail: Extracting local news events from twitter;Agarwal,2012
2. Find me if you can: Improving geographical prediction with social and spatial proximity;Backstrom,2010
3. Geolocation prediction in social media data by finding location indicative words;Bo,2012
4. TwitIE: An open-source information extraction pipeline for microblog text;Bontcheva,2013
5. Making sense of microposts (# msm2013) concept extraction challenge;Cano Basave,2013