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This is an abstraction layer around Python libraries for splitting (tokenization) of words joined without delimiters.

It is often called words tokenization, but it is a bit different thing: tokenization is when words are naturally not splitted (in Eastern-Asian languages, for example), but splitting is when they are naturally splitted, but the delimiters got missed.

Tutorial

from WordSplitAbs import ChosenWordSplitter

s = ChosenWordSplitter()  # A resource-consuming stage, the most splitters load a corpus or a semi-preprocessed model here and infer a usable model from it. So you want to call it as less as possible.

print(s("wordsplittingisinferenceofconcatenatedwordsboundaries"))  # "word splitting is inference of concatenated words boundaries"

Backends

Backend Has default corpus Deps Model Quality Notes
instant_segment Unigram + bigram Recommended A rewrite of wordsegment into Rust with high performance boost
wordsegment ✔️ Unigram + bigram Recommended
WordSegmentationDP pythonnet + WordSegmentationDP.dll + Corpus file Unigram + Bayes Recommended
WordSegmentationTM pythonnet + WordSegmentationTM.dll + Corpus file Unigram + Bayes Recommended
SymSpell pythonnet + SymSpell.dll + Corpus file Unigram + Bigram Not recommended, fails to split elementary phrases
wordninja ✔️ Unigram order Not the best quality

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