Package opennlp.tools.ml.maxent.quasinewton

Package related to ML by means of the Quasi Newton (QN) algorithm.

Interface Summary

Interface	Description
Function	Interface for a function.
QNMinimizer.Evaluator	Evaluate quality of training parameters.

Class Summary

Class	Description
ArrayMath	Deprecated.
LineSearch	Class that performs line search to find minimum.
LineSearch.LineSearchResult	Represents a LineSearch result.
NegLogLikelihood	Evaluate negative log-likelihood and its gradient from DataIndexer.
ParallelNegLogLikelihood	Evaluate negative log-likelihood and its gradient in parallel
QNMinimizer	Implementation of L-BFGS which supports L1-, L2-regularization and Elastic Net for solving convex optimization problems.
QNMinimizer.L2RegFunction	L2-regularized objective Function.
QNModel	A maximum entropy model which has been trained using the Quasi Newton (QN) algorithm.
QNTrainer	A Maxent model Trainer using L-BFGS algorithm.