Microblog Search and Filtering with Time Sensitive Feedback and Thresholding bsed on BM25.

@inproceedings{gao-2012-microblog, author = {Wei Gao and Zhongyu Wei and Kam-Fai Wong}, editor = {Ellen M. Voorhees and Lori P. Buckland}, title = {{Microblog Search and Filtering with Time Sensitive Feedback and Thresholding bsed on BM25}}, booktitle = {{Proceedings of The Twenty-First Text REtrieval Conference, TREC 2012, Gaithersburg, Maryland, USA, November 6-9, 2012}}, series = {NIST Special Publication}, volume = {500-298}, publisher = {National Institute of Standards and Technology (NIST)}, year = {2012}, url = {http://trec.nist.gov/pubs/trec21/papers/qcri_twitsear.micro.final.pdf} }