Managing Gigabytes for Java
MG4J is a highly customizable, high-performance, full-text Java search engine for large document collections. It provides state-of-the-art features (such as BM25/BM25F scoring) and new research algorithms.
| Tags | Internet Web Indexing/Search Text Processing Indexing Software Development Libraries Java Libraries |
|---|---|
| Licenses | LGPLv3+ |
| Operating Systems | OS Independent |
| Implementation | Java |
Recent releases
- 22 Sep 2011 13:04
Release Notes: This is the first release of the big version of MG4J, which is able to handle up to 2^63 terms and documents.
- 15 Sep 2011 01:20
Release Notes: This is part of a parallel release of fastutil, the DSI Utilities, Sux4J, MG4J, WebGraph, etc. that prepares the way for "big" versions supporting more than 2^31 entries in arrays (simulated), elements in lists, terms, documents, nodes, etc. There were several refinements to semantics, and a few subtle, longstanding bugs were fixed.
- 12 Dec 2010 16:50
Release Notes: Thanks to fastutil 6, MG4J is no longer dependent on COLT. A few bugs have been fixed.
- 06 Jun 2009 23:36
Release Notes: Major improvements were made to indexing. Lightweight compressed-collection construction was added. A skipping system with variable quanta was added. Memory mapping is used for large indices. Many bugs were fixed.
- 29 Feb 2008 10:23
Release Notes: All new stemmers from Snowball were generating empty strings, causing major indexing problems. This has been fixed.
vigna
07 Nov 2002 06:21
Heartbeat
- Popularity Score
- 224.85
- Vitality Score
- 23.93
- Subscriptions
- 65
