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. 2013 Oct 11;4:28. doi: 10.1186/2041-1480-4-28

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Copyright © 2013 Rebholz-Schuhmann et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Again all taggers have been tested against all corpora, but now exact matching has been applied for evaluation. The table shows the same performance results as Figure 2 with the difference that exact matching has been used as evaluation form (see also Figures 4, 5 and 6).