Package opennlp.tools.ml.maxent.quasinewton
package opennlp.tools.ml.maxent.quasinewton
Package related to ML by means of the Quasi Newton (QN) algorithm.
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ClassDescriptionInterface for a function.Performs line search to find a minimum.Represents a
LineSearchresult encapsulating the relevant data at a point in time during computation.Evaluates negative log-likelihood and its gradient fromDataIndexer.Evaluatesnegative log-likelihoodand its gradient in parallel.Implementation of the Limited memory Broyden-Fletcher-Goldfarb-Shanno algorithm (L-BFGS) which supports L1-, L2-regularization and Elastic Net for solving convex optimization problems.Evaluate the quality of training parameters.L2-regularized objectiveFunction.Amaximum entropy modelwhich has been trained via the L-BFGS algorithm , which belongs to the group of Quasi Newton (QN) algorithms.