DLModel is an API for accesing a Description Logic model, implemented in an external ontological system (such as those used in the Semantic Web). It offers an abstract interface, but also a Java implementation for accesing OWL files using Jena and a DL resoner like Pellet.
The purpose of this project is to act as a easy tool for developments that deals with Description Logics and Semantic Web Technologies.
Visit the website of the project.