On 349 financial headlines, embedding-based gradient boosting models overfit small validation sets and underperform trivial baselines, showing that embedding quality alone cannot solve low-data sentiment classification.
Sentence-BERT: Sentence embeddings using Siamese BERT-networks,
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Comparative Evaluation of Embedding Representations for Financial News Sentiment Analysis
On 349 financial headlines, embedding-based gradient boosting models overfit small validation sets and underperform trivial baselines, showing that embedding quality alone cannot solve low-data sentiment classification.