Wilbur is Nokia's open-source Semantic Web library for manipulating RDF.

Resources:

• Wilbur has a Sourceforge page
• Ora Lassila's blog discusses Wilbur. (Ora is the lead of the project.)
• Richard Newman uses Wilbur, and has available a collection of extensions called wilbur-ext. These make a few things more streamlined and add functionality for, among other things, CBDs.