Effective Preprocessing and Normalization Techniques for COVID-19 Twitter Streams with POS Tagging via Lightweight Hidden Markov Model

Table 9

General POS tag and its descriptions.

Tag	Description
DT	Determiner
PRP	Person pronoun
VB	Verb, base form
VBP	Verb
IN	Preposition or conjunction
NN	Noun, singular, or mass
NNS	Noun, plural
NNP	Proper noun, singular
NNPS	Proper noun, plural