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This Chinese AI paper presents a reflection on search Trees (RoT): An LLM Reflection Framework with the intention of enhancing the efficiency of tree-search-inspired prompting techniques.

Large language models (LLMs) paired with tree-search methodologies have been leading advancements in the field of artificial intelligence (AI), particularly for complex reasoning and planning tasks. These models are revolutionizing decision-making capabilities across various applications. However, a notable imperfection lies in their inability to learn from prior mistakes and frequent error repetition during problem-solving.

Improving the problem-solving capability of LLMs without manually reprogramming their algorithms is a significant issue in AI research. This concern is particularly prevalent in extensive planning and reasoning tasks, such as strategic game-playing or intricate problem-solving scenarios where each decision affects subsequent ones. Existing methodologies like breadth-first search (BFS) and Monte Carlo Tree Search (MCTS) are efficient in solving these problems but fail to incorporate learnings from past experiences.

Addressing this, researchers from the School of Information Science and Technology, ShanghaiTech, and Shanghai Engineering Research Center of Intelligent Vision and Imaging have introduced Reflection on Search Trees (RoT). This novel framework improves the efficiency of tree-search methods by enabling LLMs to learn from former searches. It provides actionable guidelines developed from past search data, reducing mistake repetition and strengthening decision-making processes of LLMs.

The RoT framework works by conducting a detailed analysis of previous search results and develops guidelines for future searches. It provides key insights from past actions and their consequences. Applied to BFS or MCTS in complex reasoning tasks, RoT significantly improved LLM performance. In real-world applications such as strategy gaming or problem-solving, RoT has shown its efficacy by enhancing search accuracy and minimizing repetitive errors.

RoT implementation has also had a significant impact on improving performance metrics. In tasks where BFS was employed, RoT considerably improved accuracy. In more complicated environments requiring increased reasoning steps, RoT’s benefits were more evident. Importantly, introducing RoT resulted in a significant decrease in error repetition, reducing redundant actions by up to 30%.

In summary, the Reflection on Search Trees framework is a revolutionary step in using large language models for complex reasoning and planning tasks. RoT allows models to study and learn from previous searches, which enhances the accuracy and efficiency of tree-search-based methods and unlocks new practical applications for LLMs in AI. This breakthrough underlines the fact that adaptive learning and historical analysis play critical roles in advancing AI technologies.

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