State of the art Lexical Substitution in Context
pip3 install lexsub Release: https://pypi.org/project/lexsub/ Version: 1.0.0.
The Lexical Substitution task involves selecting and ranking lexical paraphrases for a target word in a given sentential context. In the task, annotators and systems find an alternative substitute word or phrase for a target word in context. The task involves both finding the synonyms and disambiguating the context.
i/p : The wine was too strong to drink.
o/p : The wine was too powerful (0.93) / potent (0.91) / hot (0.5) / solid (0.3) / hard(0.3) to drink.
Powerful and potent are much better replacements as indicated by the score next to them as well. Whereas, all three are viable replacement candidates.
Now notice two important things that is interesting:
- Not all synonyms fit in the context. (direct lexical substitutions won’t always work)
- Not all words that fit in the context preserve the meaning of the sentence. (LM score doesn’t always correlate)
A. Lexical Substitution:
B. Word Sense Disambiguation:
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