Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Performance evaluation of different embedding features.
| Embedding feature | Precision (%) | Recall (%) | F-score (%) | Δ (%) |
| Word | 57.64 | 61.62 | 59.56 | —a |
| Word+POSb | 58.49 | 63.06 | 60.69 | +1.13 |
| Word+Entity type | 64.06 | 61.05 | 62.52 | +2.96 |
| Word+POS+Entity type | 63.79 | 66.62 | 65.17 | +5.61 |
aNot applicable.
bPOS: part-of-speech.
