Tomoko Uchida created LUCENE-10493:
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Summary: Can we unify the tokenizer of kuromoji and nori?
Key: LUCENE-10493
URL: https://issues.apache.org/jira/browse/LUCENE-10493
Project: Lucene - Core
Issue Type: Improvement
Components: modules/analysis
Reporter: Tomoko Uchida
We now have common dictionary interfaces for kuromoji and nori
([LUCENE-10393]). A natural question would be: is it possible to unify the
Japanese/Korean tokenizers?
The core methods of the two tokenizers are `parse()` and `backtrace()` that
calculate the minimum cost path by Viterbi search. I'd set the goal of this
issue to factoring out them into a separate class (in analysis-common) that is
shared between JapaneseTokenizer and KoreanTokenizer.
The algorithm to solve the minimum cost path itself is of course
language-agnostic, so I think it should be theoretically possible; the most
difficult part here might be the N-best path calculation - that is only
supported by JapaneseTokenizer and not by KoreanTokenizer.
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