Applications of Large Language Model Reasoning in Feature Generation

• URL: http://arxiv.org/abs/2503.11989v2
• Date: Thu, 20 Mar 2025 02:18:33 GMT
• Title: Applications of Large Language Model Reasoning in Feature Generation
• Authors: Dharani Chandra,
• Abstract summary: Large Language Models (LLMs) have revolutionized natural language processing through their state of art reasoning capabilities.<n>This paper explores the convergence of LLM reasoning techniques and feature generation for machine learning tasks.<n>The paper categorizes LLM-based feature generation methods across various domains including finance, healthcare, and text analytics.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Large Language Models (LLMs) have revolutionized natural language processing through their state of art reasoning capabilities. This paper explores the convergence of LLM reasoning techniques and feature generation for machine learning tasks. We examine four key reasoning approaches: Chain of Thought, Tree of Thoughts, Retrieval-Augmented Generation, and Thought Space Exploration. Our analysis reveals how these approaches can be used to identify effective feature generation rules without having to manually specify search spaces. The paper categorizes LLM-based feature generation methods across various domains including finance, healthcare, and text analytics. LLMs can extract key information from clinical notes and radiology reports in healthcare, by enabling more efficient data utilization. In finance, LLMs facilitate text generation, summarization, and entity extraction from complex documents. We analyze evaluation methodologies for assessing feature quality and downstream performance, with particular attention to OCTree's decision tree reasoning approach that provides language-based feedback for iterative improvements. Current challenges include hallucination, computational efficiency, and domain adaptation. As of March 2025, emerging approaches include inference-time compute scaling, reinforcement learning, and supervised fine-tuning with model distillation. Future directions point toward multimodal feature generation, self-improving systems, and neuro-symbolic approaches. This paper provides a detailed overview of an emerging field that promises to automate and enhance feature engineering through language model reasoning.

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