Language models answer prompts about sentence ambiguity poorly, but linear probes on their hidden states classify ambiguous versus unambiguous sentences with high accuracy on the new AmbAdv dataset.
ChatGPT vs Gemini vs LLaMA on Multilingual Sentiment Analysis
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abstract
Automated sentiment analysis using Large Language Model (LLM)-based models like ChatGPT, Gemini or LLaMA2 is becoming widespread, both in academic research and in industrial applications. However, assessment and validation of their performance in case of ambiguous or ironic text is still poor. In this study, we constructed nuanced and ambiguous scenarios, we translated them in 10 languages, and we predicted their associated sentiment using popular LLMs. The results are validated against post-hoc human responses. Ambiguous scenarios are often well-coped by ChatGPT and Gemini, but we recognise significant biases and inconsistent performance across models and evaluated human languages. This work provides a standardised methodology for automated sentiment analysis evaluation and makes a call for action to further improve the algorithms and their underlying data, to improve their performance, interpretability and applicability.
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Trick or Neat: Adversarial Ambiguity and Language Model Evaluation
Language models answer prompts about sentence ambiguity poorly, but linear probes on their hidden states classify ambiguous versus unambiguous sentences with high accuracy on the new AmbAdv dataset.