And here you can find original manuals of Penn Tree Bank project: http://www.cis.upenn.edu/~treebank/
Keep in mind there are two versions of this tagset. The earlier one contains NP for proper nouns, while in the later one it is NNP to distinguish it from the noun phrase tag for parse trees. You might need to keep this mind because there are POS tag models in the wild trained with earlier version. Aliaksandr On 3 Dec 2010 13:02, "mark meiklejohn" <[email protected]> wrote: > Basically the identify the components of the sentence Noun Phrase NP, > Noun N, Adjective JJ and so on. > > You can get a full description of them here: > http://bulba.sdsu.edu/jeanette/thesis/PennTags.html > > Regards > > M > > On 03/12/2010 11:22, Sriram G wrote: >> Hi All, >> I am experimenting opennlp for my own interest. Please help me in >> understanding the concern described below. >> >> The output of theopennlp parser is as below >> >> (TOP (NP (NP (DT The) (JJ quick) (JJ brown) (NN fox) (NNS jumps)) (PP >> (IN over) (NP (DT the) (JJ lazy) (NN dog))) (. .))) >> >> How to understand the tags like JJ NP DT etc Which document describes this >> >> Thanks >> Sriram G >> >> > >
