Machine Learning, NLP, Perceptron, Tagging, From The Archives.
applied to estimate the parameters of more complicated models such as a feature-based maximum-entropy (e.g. logistic regression) model: where we are using h⁽ⁱ⁾ to denote all of the contextual variables (e.g. the previous two tags as well as the observed words), and ϕ’s to denote features. The