Description:

Hyper Estraier is a full-text search system. You can search lots of
documents for some documents including specified words. If you run a
web site, it is useful as your own search engine for pages in your
site. Also, it is useful as search utilities of mail boxes and file
servers.

The characteristic of Hyper Estraier is the following:
- High performance of search
- High scalability of target documents
- Perfect recall ratio by N-gram method
- High precision by hybrid mechanism of N-gram and morphological
analyzer
- Phrase search, regular expressions, attribute search, and similarity
search
- Multilingualism with Unicode
- Independent of file format and repository
- Simple and powerful API
- Supporting P2P architecture