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Understanding the Semantic Space: How Word Meanings Dynamically Adapt in the Context of a Sentence

فهم الفضاء الدلالي: كيف تعاني كلمة تتكيف ديناميكيا في سياق الجملة

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 Publication date 2021
and research's language is English
 Created by Shamra Editor




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How do people understand the meaning of the word small'' when used to describe a mosquito, a church, or a planet? While humans have a remarkable ability to form meanings by combining existing concepts, modeling this process is challenging. This paper addresses that challenge through CEREBRA (Context-dEpendent meaning REpresentations in the BRAin) neural network model. CEREBRA characterizes how word meanings dynamically adapt in the context of a sentence by decomposing sentence fMRI into words and words into embodied brain-based semantic features. It demonstrates that words in different contexts have different representations and the word meaning changes in a way that is meaningful to human subjects. CEREBRA's context-based representations can potentially be used to make NLP applications more human-like.



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