A data frame containing all possible parts-of-speech, as per the
openNLP
package. This list was taken from
Part-Of-Speech
Tagging with R. pos_tags contains the following two columns:
The abbreviation for the part-of-speech (i.e., its tag)
A short description of the part-of-speech
pos_tags
An object of class data.frame with 36 rows and 2 columns.