Table 2.
Features applied in each temporal extraction experiment3
| Model # | Features |
|---|---|
| 1 | Bag-of-words |
| 2 | Bag-of-words with correction |
| 3 | Bag-of-lemma with correction |
| 4 | Model #3 + part-of-speech |
| 5 | Model #3 + part-of-speech (2) |
| 6 | Model #3 + part-of-speech (4) |
| 7 | Model #4 + Chunk |
| 8 | Model #4 + Chunk (2) |
| 9 | Model #8 + Gazetteer |
| 10 | Model #9 + Orthography |
| 11 | Model #9 + Orthography (2) |
| 12 | Model #9+ Orthography (4) |
| 13 | Model #11 + Symbol |
| 14 | Model #11 + Prefix |
| 15 | Model #11 + Prefix (2) |
| 16 | Model #11 + Prefix + Suffix |
| 17 | Model #11 + Prefix + Suffix (2) |
| 18 | Model #11 + Prefix (2) +Suffix (2) |
| 19 | Model #16 + Length of a digit |
| 20 | Model #16 + Scores & Measures |
| 21 | Model #20 + Unit of measurement |