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The numbers of species identified by ESPRIT-Tree, CD-HIT and UCLUST that have F-scores exceeding 0.9, 0.8, 0.7, 0.6 and 0.5, respectively. The corresponding coverage is also reported. ESPRIT-Tree recovered 260 species with F-score >0.5 covering 87% of the total sequences, which is significantly better than CD-HIT and UCLUST. Colour version of this figure available at http://bib.oxfordjournals.org.
