This implements the C-value term extraction method. I don't expect to implement the NC-value part in the foreseeable future. 

I think the C-value works correctly but I don't have unit tests.

Contributions are welcome.

Please contact me for permission to use.

Katerina T. Frantzi, Sophia Ananiadou, and Jun-ichi Tsujii. 1998. The C-value/NC-value Method of Automatic Recognition for Multi-Word Terms. In Proceedings of the Second European Conference on Research and Advanced Technology for Digital Libraries (ECDL '98), Christos Nikolaou and Constantine Stephanidis (Eds.). Springer-Verlag, London, UK, 585-604.

For an example, see src/uk/co/jbothma/terms/Demo.java