Explanation of the Script

  1. Vocabulary and Embedding Layer:

    • Terms are mapped to indices using a dictionary.
    • The embedding layer learns continuous vector representations for these terms.
  2. Cosine Similarity:

    • The cosine similarity function measures how similar two terms are in the embedding space. Higher values indicate closer relationships.
  3. Visualization:

    • Embeddings are plotted in a 2D space to show semantic relationships. Terms with similar meanings (e.g., “king” and “queen”) are expected to cluster together.
  4. t-SNE for Dimensionality Reduction:

    • If the embedding dimension is higher than 2, t-SNE can reduce it to 2D for visualization while preserving semantic relationships.

Outputs

  1. Cosine Similarities:

    • Pairwise similarity scores between terms to quantify their semantic closeness.
  2. Visualization:

    • A scatter plot showing the positions of terms in the embedding space.