An investigation of term weighting approaches for microblog retrieval
Ferguson, Paul and O'Hare, Neil and Lanagan, James and Phelan, Owen and McCarthy, Kevin (2012) An investigation of term weighting approaches for microblog retrieval. In: 34th European Conference on Information Retrieval, ECIR2012, 1-5 Apr 2012, Barcelona, Spain.
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The use of effective term frequency weighting and docu- ment length normalisation strategies have been shown over a number of decades to have a significant positive effect for document retrieval. When dealing with much shorter documents, such as those obtained from mi- croblogs, it would seem intuitive that these would have less benefit. In this paper we investigate their effect on microblog retrieval performance using the Tweets2011 collection from the TREC 2011 Microblog Track.
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