I want to be able to measure ambiguity of a sentence, and my current my idea to do so is by measuring how many ways a sentence can be parsed. For example, the sentence "Fruit flies like a banana" can have to interpretations.
So far I have tried using the Stanford Parser, but it only interpreted each sentence in one way. My other idea was to measure how many different parts of speech each word in a sentence could mean, but each POS tagger I found only marked each word with 1 tag even when it could be multiple.
Are there are tools to do either?
From the Stanford Parser FAQ page , hope it helps:
Can I obtain multiple parse trees for a single input sentence?
Yes, for the PCFG parser (only). With a PCFG parser, you can give the option
-printPCFGkBest n
and it will print then
highest-scoring parses for a sentence. They can be printed either as phrase structure trees or as typed dependencies in the usual way via the-outputFormat
option, and each receives a score (log probability). Thek
best parses are extracted efficiently using the algorithm of Huang and Chiang (2005).
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