CRF.md

Conditonal Random Field

Can be considered to a extension of MEM

Overview

Quick View

Category	Usage	Methematics	Application Field
Supervised Learning	Classification	Entropy	NLP

Background - From MEM to CRF

Conditional Maximum Entropy Distribution

Concept

Undirected Graph Model

Viterbi Algorithm

Links

• An Introduction to Conditional Random Fields

Wikipedia

• Graphical model
• Clique (graph theory)
• Markov random field
• Conditional random field

Tools

• kmkurn/pytorch-crf: (Linear-chain) Conditional random field in PyTorch.
  • pytorch-crf — pytorch-crf 0.7.2 documentation
• CRF++
  • github
• TensorFlow CRF
  • github
• sklearn-crfsuite
  • github