Egothor是一个用Java编写的开源而高效的全文本搜索引擎。借助Java的跨平台特性，Egothor能应用于任何环境的应用，既可配置为单独的搜索引擎，又能用于你的应用作为全文检索之用。
关键特性：
Written in JAVA for cross platform compatibility.
New dynamization algorithm for fast index updating.
Fully 64-bit kernel
Transactions (ACID)
Document revisions, Xdelta
Incremental updates
Queries can be solved in a parallel manner
Able to recognize the most familiar file formats: HTML, PDF, PS, and Microsoft's DOC, and XLS.
High capacity robot which supports robots.txt recommendation.
The best compression methods are used, i.e. Golomb, Elias-Gamma, Block coding.
Based on the extended Boolean model which can operate as the Vector or Boolean models.
Universal stemmer that processes any language.
主页：http://www.egothor.org/
来自:开源中国社区
