一个有限内存Broyden-Fletcher-Goldfarb-Shanno函数半二次优化工具，可以用来进行求解函数最优值。-libLBFGS is a C port of the implementation of Limited-memory Broyden-Fletcher-Goldfarb-Shanno (L-BFGS) method, which can be used to solve the optimization

CRFsuite: a fast implementation of Conditional Random Fields (CRFs) CRFSuite is an implementation of Conditional Random Fields (CRFs) for labeling sequential data. The first priority of this software is to train and use CRF models as fast as possi