Concept Based Tie-breaking and Maximal Marginal Relevance Retrieval in Microblog Retrieval.

@inproceedings{lu-2014-concept, author = {Kuang Lu and Hui Fang and Diego Roa}, editor = {Ellen M. Voorhees and Angela Ellis}, title = {{Concept Based Tie-breaking and Maximal Marginal Relevance Retrieval in Microblog Retrieval}}, booktitle = {{Proceedings of The Twenty-Third Text REtrieval Conference, TREC 2014, Gaithersburg, Maryland, USA, November 19-21, 2014}}, series = {NIST Special Publication}, volume = {500-308}, publisher = {National Institute of Standards and Technology (NIST)}, year = {2014}, url = {http://trec.nist.gov/pubs/trec23/papers/pro-udel_fang_microblog.pdf} }