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Full-text search engine for Japanese or English text

Snatcher is a simple full-text search engine for Japanese or English text. It features full-text retrieval of a Web site by the use of only one command. Snatcher can be extended by using preprocessor programs. It can deal not only with plain text, but also with HTML, XML, man, PDF and so on. Snatcher features not only keyword search with a boolean information retrieval model, but also relational document search with a vector space model. Snatcher was designed for Japanese, and documents and log messages are only in Japanese. But it can process both English and Japanese documents.

Related Projects



Verified by

Verified on


Verified by

Janet Casey

Verified on

6 May 2002

Leaders and contributors

Mikio Hirabayashi Maintainer

Resources and communication

AudienceResource typeURI
Bug Tracking,Developer,

Software prerequisites

Required to usePerl
Required to usersync
Source requirementChaSen
Source requirementgdbm

This entry (in part or in whole) was last reviewed on 14 January 2017.


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