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Language & Communication

Why does a language acquisition model relying solely on distributional semantics for dictionary creation struggle with polysemous words, even with a large corpus?

A)Limited cross-linguistic transfer learning exists
B)Context vectors smear distinct word senses
C)Lexical access times become exponentially long
D)Gradient descent procedures reach local minima

💡 Explanation

Distributional semantics represents words by their context. A single vector for a polysemous word blurs the distinct senses because the mechanism of vector averaging merges different usages into one representation; therefore, the model fails to differentiate senses, rather than because of optimization failures.

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