replaced the problematic null tree with an actual tree
Merge branch 'anya' of https://github.com/pkarmstr/relation-extraction into julia
Divided each chunking feature in two functions: one that understand "head" as "head of NP", and another which just looks for the head of any kind of phrase.
Divided each chunking feature in two functions: one that understand "head" as "head of NP", and another which just looks for the head of any kind of phrase.
Divided each chunking feature in two functions: one that understand "head" as "head of NP", and another which just looks for the head of any kind of phrase.
Divided each chunking feature in two functions: one that understand "head" as "head of NP", and another which just looks for the head of any kind of phrase.