Nlao writeup of Cohn 2005

This is a review of Cohn_2005_semantic_role_labelling_with_tree_conditional_random_fields by user:Nlao.

This is a pioneer work in applying crf to SRL. A lot of SRL related features are used.

Languate related problems usually involve large number of features. However, there seems to be room of improvement to the use of 62GB memory.

[minor points]