Acknowledgements

The authors would like to thank to all the people that were involved in the development of this software: the NLP and CLSP groups at Hopkins as a whole, for valuable interaction and suggestions over the years, and also to particular individuals:

• David Yarowsky for his continued support and for allowing us to pursue writing this code;
• Eric Brill for long discussions on the behavior of Transformation Based Learning;
• John Henderson, for lengthy discussions and suggestions, and also for being responsible in the largest part for the probabilistic behavior of the TBL;
• Ellen Riloff, who was one of the first users of this toolkit, for valuable suggestions regarding the behavior of the fnTBL;
• Charles Schafer, for useful suggestions and comments on the fnTBL behavior;
• Cristina Nita-Rotaru for help on setting up the web page, and for many other things.