What is Egothor?

Egothor is an Open Source, high-performance, full-featured text search engine written entirely in Java. It is technology suitable for nearly any application that requires full-text search, especially cross-platform. It can be configured as a standalone engine, metasearcher, peer-to-peer HUB, and, moreover, it can be used as a library for an application that needs full-text search.

Key features of egothor

Written in JAVA for cross platform compatibility.
Able to recognize many of 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.
New dynamization algorithm for fast index updating.

Design

ipc (not used yet)	web application (JSP)	robot (Capek)
kernel (search engine)
msft (RTF, DOC, XLS)	pdf (PDF, PS)	xml (XML)
parser