NTLK Porter Stemmer with modifications to improve performance.
Also attached if quick script to validate performance.
Example performance:
| Word/Stemmer | Lancaster | Modified-Porter | WordNet-Lemma | Porter | Snowball-EN |
|---|---|---|---|---|---|
| elaborates | elab | elaborate | elaborates | elabor | elabor |
| activate | act | activate | activate | activ | activ |
| critically | crit | critic | critically | critic | critic |
| substituting | substitut | substitute | substituting | substitut | substitut |
| learning | learn | learn | learning | learn | learn |
| educating | educ | educate | educating | educ | educ |
| creation | cre | creation | creation | creation | creation |
| braille | brail | braille | braille | braill | braill |
| security | sec | security | security | secur | secur |
| business | busy | business | business | busi | busi |
| tenderness | tend | tendere | tenderness | tender | tender |
| tabulate | tab | tabulate | tabulate | tabul | tabul |
| connections | connect | connect | connection | connect | connect |
| relativity | rel | rel | relativity | rel | relat |
| geography | geograph | geography | geography | geographi | geographi |
| unseparable | unsep | unsepare | unseparable | unsepar | unsepar |
| beauty | beauty | beauti | beauty | beauti | beauti |
| beautiful | beauty | beauti | beautiful | beauti | beauti |
| ability | abl | able | ability | abil | abil |
| interpilastering | interpilast | interpilastere | interpilastering | interpilast | interpilast |
| interplanetary | interplanet | interplanet | interplanetary | interplanetari | interplanetari |
| gluttingly | glut | glut | gluttingly | gluttingli | glut |
| especially | espec | especi | especially | especi | especi |
| psychobiology | psychobiolog | psychobiology | psychobiology | psychobiolog | psychobiolog |
| magical | mag | magic | magical | magic | magic |
| magically | mag | magic | magically | magic | magic |
| adulatory | ad | adulate | adulatory | adulatori | adulatori |
| mandatory | mand | mandate | mandatory | mandatori | mandatori |
| microchemistry | microchem | microchemistry | microchemistry | microchemistri | microchemistri |
| scorningly | scorn | scorn | scorningly | scorningli | scorn |
| excystate | excyst | excystate | excystate | excyst | excyst |
| execrable | execr | execre | execrable | execr | execr |
| statued | statu | statue | statued | statu | statu |
| statuary | statu | statue | statuary | statuari | statuari |
| sparringly | spar | spare | sparringly | sparringli | spar |