CLARITY at the TREC 2011 microblog track
Ferguson, Paul and OHare, Neil and Lanagan, James and Smeaton, Alan F. and Phelan, Owen and McCarthy, Kevin and Smyth, Barry (2011) CLARITY at the TREC 2011 microblog track. In: Proceedings of the 20th TREC Conference, 15-18 Nov 2011, Gaithersburg, Md., USA.
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For the first year of the TREC Microblog Track the CLARITY group concentrated on a number of areas, investigating the underlying term weighting scheme for ranking tweets, incorporating query expansion to introduce new terms into the query, as well as introducing an element of temporal re-weighting based on the temporal distribution of assumed relevant microblogs.
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