Author: FAL Labs
Description: homepage of Tokyo Dystopia
Keywords: Tokyo Dystopia, tokyodystopia, Tokyo Cabinet, full-text search, inverted index

# Tokyo Dystopia: a full-text search system

Copyright (C) 2007-2010 FAL Labs
Last Update: Thu, 05 Aug 2010 15:19:29 +0900

## Overview

Tokyo Dystopia is a full-text search system. You can search lots of records for some records including specified patterns. The characteristic of Tokyo Dystopia is the following.

- High performance of search
- High scalability of target documents
- Perfect recall ratio by character N-gram method
- Phrase matching, prefix matching, suffix matching, and token matching
- Multilingualism with Unicode
- Layered Architecture of APIs

Tokyo Dystopia is available on platforms which have API conforming to C99 and POSIX. Tokyo Dystopia is a free software licensed under the GNU Lesser General Public License.

## Documents

The following are documents of Tokyo Dystopia. They are contained also in the source package.

- Fundamental Specifications

## Packages

The following are the source packages of Tokyo Dystopia. As for binary packages, see the site of each distributor.

- Latest Source Package (version 0.9.15)
- Past Versions

## Information

Tokyo Dystopia was written and is maintained by FAL Labs. You can contact the author by e-mail to `info@fallabs.com'.