I have used C++ based tools on linux for Japanese morphological analysis, such as chasen. Such tools are critical in Japanese and are used in indexing for a search engine ...

While I use Chasen -- which has by the way some rudimentary Perl bindings -- almost everday I am curious wether Chasen is really a good choice for a search engine? Thinking about speed, the difficulties to update Chasen's dictionary and to tune it for specific (topic) domains it would be nice to hear more about your experience with Chasen.

For simple search engines I usually prefer a simple longest match algorithm as provided by Kakasi or my own tools.

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