2 ms·A porter stemmer has disadvantages too as it would combine 'training' and 'trains' (freight).by AznHisoka 11y agoA porter stemmer has disadvantages too as it would combine 'training' and 'trains' (freight).Retra 11y agoMaybe you just need something that trains your porter stemmer to avoid such mistakes.Domenic_S 11y agoguys, I just had a great machine-learning startup idea...tedmiston 11y agoBecause of this ambiguity, they could easily configure the stemmer to only de-pluralize instead.