CLARITY at the TREC 2011 Microblog Track
Paul Ferguson, Neil O’Hare, James Lanagan, Alan F. Smeaton, Owen Phelan, Kevin McCarthy, Barry Smyth · Dublin City University Open Access Institutional Repository (Dublin City University) · 2011
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.