2008-03-05  Naoaki Okazaki  <okazaki at chokkan org>

	* CRFsuite 0.4 (the first public release):
	- Website and documentation for CRFsuite.
	- Tutorial on the CoNLL 2000 chunking shared task.
	- Performance comparison on the CoNLL 2000 chunking shared task.
	- Bug fix in L2 regularization.
	- A number of small improvements for the public release.


2007-12-12  Naoaki Okazaki  <okazaki at chokkan org>

	* CRFsuite 0.3 (internal release):
	- Implemented scaling method for forward/backward algorithm.
	- Removed the code for computing the forward/backward algorithm in logarithm domain.
	

2007-11-30  Naoaki Okazaki  <okazaki at chokkan org>

	* CRFsuite 0.2 (internal release):
	- Orthant-Wise Limited-memory Quasi-Newton (OW-LQN) method for L1 regularization.
	- Configurable L-BFGS parameters (number of limited memories, epsilon).
	
	
2007-10-29  Naoaki Okazaki  <okazaki at chokkan org>

	* CRFsuite 0.1 (internal release):
	- Initial release.