Running the Charniak-Johnson Parser from Python 2

Although the Python NLTK library contains a number of parsers and grammars, these only support words which are defined in the grammar. This also applies to the supported Probabilistic Context Free Grammars (PCFGs). Therefore, in order to work with a more general parser that can handle unseen words, you have to use a Python wrapper ...

The NLP Stack

Processing natural language is a complicated business. Not that long ago it seemed to be an intractable problem to many people. Although full understanding is still a cutting edge research problem, large areas of natural language processing have become practical on most computing platforms. This is especially true when NLP techniques are applied to restricted ...