IAA statistics for CL, NCBITaxon, and SO markup. Plot of IAA versus number of training sessions/meetings (approximately weekly) for annotation of the corpus with the SO, CL, and NCBI Taxonomy. IAA has been calculated as F-score, which is the harmonic mean of precision and recall.
Bada et al. BMC Bioinformatics 2012 13:161 doi:10.1186/1471-2105-13-161