Rule Based Bangla Stemmer

Installation

pip install py_bangla_stemmer

Usage

from py_bangla_stemmer import BanglaStemmer

stemmer = BanglaStemmer()
stemmer.stem('জনপ্রিয়তা')  # 'জনপ্রি'
stemmer.stem(' সেটাই')    # 'সে'

Rules Documentation (Only for Development)

Following documentations are for the further development of the stemmer. There is a file in py_bangla_stemmer/resources folder named common.rules. Bellow are the information required to know to change the rules.

X + n :

When X appears at the end of a word and word length is at least n, remove it

Y -> Z + n :

When Y appears at the end of a word and word length is at least n, replace it with Z

Y.Z -> A.B + n :

When Y, followed by some character a, followed by Z appears at the end of a word and word length is at least n, replace it with AaB