Word Embeddings and Vector Representation
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Questions and Answers

What is a major issue with one-hot encoding of words?

  • Inability to handle out-of-vocabulary words
  • High training efficiency
  • High dimensionality of vectors (correct)
  • Capture of synonymous words

What is the main advantage of using Word2Vec over traditional one-hot encoding?

  • Ability to handle out-of-vocabulary words
  • Ability to capture synonymous words (correct)
  • Ability to work with rare words
  • Higher training efficiency

What is the main difference between CBOW and Skip-Gram models?

  • CBOW is faster to train, while Skip-Gram is more accurate (correct)
  • CBOW is more accurate, while Skip-Gram is faster to train
  • CBOW is better for capturing synonyms, while Skip-Gram is better for capturing antonyms
  • CBOW works better with rare words, while Skip-Gram works better with frequent words

What is the main limitation of Word2Vec models?

<p>Inability to handle out-of-vocabulary words (C)</p> Signup and view all the answers

What is the main application of Concept Embedding?

<p>Visual image captioning (C)</p> Signup and view all the answers

What is the current state of the art for NLP tasks?

<p>Transformer models (C)</p> Signup and view all the answers

What is the primary motivation for building a better vector representation of words?

<p>To capture the notion of synonymy (A)</p> Signup and view all the answers

What is a benefit of using CBOW over Skip-Gram models?

<p>It is slightly faster to train (C)</p> Signup and view all the answers

What is the purpose of distributional hypothesis in word embeddings?

<p>To capture the meaning of words in context (C)</p> Signup and view all the answers

What is a limitation of traditional one-hot encoding of words?

<p>It results in very big vectors (B)</p> Signup and view all the answers

What is the goal of Concept Embedding?

<p>To learn how images are related to keywords (B)</p> Signup and view all the answers

What is a benefit of using transformer models for NLP tasks?

<p>They are the current state of the art for NLP (A)</p> Signup and view all the answers

What is the purpose of projecting unannotated images into the multidimensional space?

<p>To enable searching by image or keyword (A)</p> Signup and view all the answers

What is the relationship between images and keywords in the multidimensional space?

<p>Images are closer to keywords that describe them (D)</p> Signup and view all the answers

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