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"Domaino1s: Guiding LLM Reasoning for Explainable Answers in High-Stakes Domains"

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This paper introduces Domaino1s, an LLM framework enhancing reasoning and explainability for high-stakes domains like finance and law, using fine-tuning and tree search.

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Paper - https://arxiv.org/abs/2501.14431

Solution in this Paper πŸ’‘:

β†’ Domaino1s uses supervised fine-tuning on newly created CoT-stock-2k and CoT-legal-2k datasets.

β†’ These datasets are built using GPT-4o to decompose reasoning into structured steps.

β†’ Domaino1s employs Selective Tree Exploration during inference.

β†’ Selective Tree Exploration uses perplexity to guide the search for optimal reasoning paths at each step.

β†’ This method balances reasoning quality and computational cost by selectively expanding reasoning paths when needed.

β†’ A new metric, PROOF-Score, is introduced to evaluate explainability considering reasoning, safety, and factual accuracy.

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Key Insights from this Paper 🧠:

β†’ Multi-stage reasoning, like in o1-type models, improves accuracy compared to single-pass Chain-of-Thought.

β†’ Fine-tuning with structured reasoning data enhances domain-specific reasoning capabilities of Large Language Models.

β†’ Selective Tree Exploration is an efficient way to improve reasoning by exploring and sampling better solution paths.

β†’ Evaluating Large Language Models in high-stakes domains requires metrics beyond just accuracy, explainability is critical.

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Results πŸ“ˆ:

β†’ Domaino1s-legal achieves 88.64% average accuracy on legal reasoning tasks, outperforming baselines like Qwen-2.5-Instruct at 73.86%.

β†’ Domaino1s-finance achieves 51.98% accuracy and 0.021 MCC on stock investment recommendation, exceeding baselines.

β†’ Domaino1s achieves the highest PROOF-Score on both stock and legal tasks, indicating superior explainability.

β†’ Selective Tree Exploration with beam size 3 achieves 89.14% accuracy on Scalr dataset with 15.18s inference time.

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