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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 indblp:conf/trec/KulpK07 fatcat:i7xavz6sgzhorjrqxaf53ct2um