OpenGrm SFst - Release 1.2 * Improved speed of approximations * Added entropy semiring * Changed Perplexity to accept for general sources ('p') and targets ('q') OpenGrm SFst - Release 1.1 * Changed Approx and NGramApprox to compute the KL minimum solution (via improved CountNormalize); now the default * Added Intersect() * Added sfstcount, sfstintersect, sfstshortestdistance, sfsttopology OpenGrm SFst - Release 1.0 * Initial public release