dkpro-jwpl

DKPro JWPL (DKPro Java Wikipedia Library) is a free, Java-based application programming interface that facilitates access to all information in Wikipedia.

Core features:

• Fast and efficient access to Wikipedia
• Parser for the MediaWiki syntax
• Language independent

In addition to the core functionality, DKPro JWPL allows access to Wikipedia's edit history with the Wikipedia Revision Toolkit.

Features of the Wikipedia Revision Toolkit:

• Tools for reconstructing past states of Wikipedia (TimeMachine)
• Efficient access to all article revisions (RevisionMachine)
• Dedicated revision storage format

More detailed information can be found at the DKPro JWPL website.