Output Table Schema
| Column | Data Type | Description |
|---|---|---|
| accumulate_column | Same as in input table | [Column appears once for each specified accumulate_column.] Column copied from input table. |
| word_sn | INTEGER | Word serial number (position of word in input text). |
| word | VARCHAR | Word extracted from input text. |
| pos_tag | VARCHAR | POS tag of word. |