Is there an option in Stanford Corenlp for specifying abbreviations?
For example in the sentence: The reason pt. stayed at home was to rest. pt is the abbreviat
The short answer is "no, there's no way to specify custom abbreviations currently" (as far as I know). The longer answer is that this code lives in a *.flex file, and you could add custom abbreviations to it. I think the place to do so is in PTBLexer.flex under the ABBREV1 definition.