Table 4:
Span found 100.0% 66.8%
No span found 0.0% 33.2%
Named Entity 35.9% 28.7%
Noun Phrase 25.0% 19.6%
Yes 0.0% 11.1%
No 0.1% 8.7%
Number 16.5% 9.8%
Date/Time 7.1% 3.9%
Other 15.5% 18.1%