Our winning Python code for detecting topics/events from a Twitter stream as developed for the SNOW 2014 Data Challenge.

Details on the method can be found here: https://github.com/heerme/twitter-topics/blob/master/insight-snow14dc-final.pdf

If you use these resources for your research, please cite:

Event Detection in Twitter using Aggresive Filtering and Hierarchical Tweet Clustering, G. Ifrim, B. Shi and I. Brigadir, Proceedings of the SNOW 2014 Data Challenge at WWW14, Korea, April 2014.

SNOW 2014 Data Challenge details: http://www.snow-workshop.org/2014/?page_id=37

SNOW 2014 Data Challenge proceedings: http://ceur-ws.org/Vol-1150/