Table 5
Performance of the CRF classifier on the development set on event mention detection and on event mention detection + classification with different context windows.
CONTEXTMENTION DETECTION ONLYDETECTION + CLASSIFICATION
PRF1PRF1
81.41% 70.06% 74.10% 38.29% 23.99% 27.73%
±1 85.42% 79.04% 81.95% 37.72% 25.99% 29.27%
±2 86.74% 80.60% 83.41% 41.00% 25.46% 29.13%
±3 87.89% 79.72% 83.34% 35.79% 24.21% 27.65%
±4 87.06% 79.49% 82.87% 32.37% 23.28% 25.78%
CONTEXTMENTION DETECTION ONLYDETECTION + CLASSIFICATION
PRF1PRF1
81.41% 70.06% 74.10% 38.29% 23.99% 27.73%
±1 85.42% 79.04% 81.95% 37.72% 25.99% 29.27%
±2 86.74% 80.60% 83.41% 41.00% 25.46% 29.13%
±3 87.89% 79.72% 83.34% 35.79% 24.21% 27.65%
±4 87.06% 79.49% 82.87% 32.37% 23.28% 25.78%
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