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On Retrieving Legal Files: Shortening Documents and Weeding Out Garbage
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BibTeX
@MISC{Kulp_onretrieving,
author = {Scott Kulp and April Kontostathis},
title = {On Retrieving Legal Files: Shortening Documents and Weeding Out Garbage},
year = {}
}
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Abstract
This paper describes our participation in the TREC Legal experiments in 2007. We have applied novel normalization techniques that are designed to slightly favor longer documents instead of assuming that all documents should have equal weight. We have also developed a new method for reformulating query text when background information is provided with an information request. We have also experimented with using enhanced OCR error detection to reduce the size of the term list and remove noise in the data. In this article, we discuss the impact of these effects on the TREC 2007 data sets. We show that the use of simple normalization methods significantly outperforms cosine normalization in the legal domain. 1
