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Reinforcement learning (RL) with outcome-based rewards has achieved significant success in training large language model (LLM) agents for complex reasoning tasks. However, in active reasoning where agents need to strategically ask questions…

Artificial Intelligence · Computer Science 2026-03-13 Deyu Zou , Yongqiang Chen , Fan Feng , Mufei Li , Pan Li , Yu Gong , James Cheng

Large Language Models (LLMs) increasingly show reasoning rationales alongside their answers, turning "reasoning" into a user-interface element. While step-by-step rationales are typically associated with model performance, how they…

Human-Computer Interaction · Computer Science 2026-03-10 Xin Sun , Shu Wei , Jos A Bosch , Isao Echizen , Saku Sugawara , Abdallah El Ali

Large Language Models (LLMs) display strikingly different generalization behaviors: supervised fine-tuning (SFT) often narrows capability, whereas reinforcement-learning (RL) tuning tends to preserve it. The reasons behind this divergence…

Machine Learning · Computer Science 2026-01-01 Haoyue Bai , Yiyou Sun , Wenjie Hu , Shi Qiu , Maggie Ziyu Huan , Peiyang Song , Robert Nowak , Dawn Song

Large Language Models (LLMs), particularly slow-thinking models, often exhibit severe hallucination, outputting incorrect content due to an inability to accurately recognize knowledge boundaries during reasoning. While Reinforcement…

Artificial Intelligence · Computer Science 2026-04-17 Baochang Ren , Shuofei Qiao , Da Zheng , Huajun Chen , Ningyu Zhang

Companies across all economic sectors continue to deploy large language models at a rapid pace. Reinforcement learning is experiencing a resurgence of interest due to its association with the fine-tuning of language models from human…

Machine Learning · Computer Science 2025-02-25 David Byrd

While Large Language Model (LLM) agents show promise in automated trading, they still face critical limitations. Prominent multi-agent frameworks often suffer from inefficiency, produce inconsistent signals, and lack the end-to-end…

Computational Engineering, Finance, and Science · Computer Science 2026-04-21 Zheye Deng , Weixiang Yan , Changlong Yu , Jiashu Wang

RAG systems have transformed how LLMs access external knowledge, but we find that current implementations exhibit a bias toward factual, objective content, as evidenced by existing benchmarks and datasets that prioritize objective…

Artificial Intelligence · Computer Science 2026-04-15 Aditya Agrawal , Alwarappan Nakkiran , Darshan Fofadiya , Alex Karlsson , Harsha Aduri

Recent reasoning large language models (LLMs) have demonstrated remarkable improvements in mathematical reasoning capabilities through long Chain-of-Thought. The reasoning tokens of these models enable self-correction within reasoning…

Artificial Intelligence · Computer Science 2025-04-02 Yu Cui , Bryan Hooi , Yujun Cai , Yiwei Wang

Large language models (LLMs) are increasingly deployed in agentic frameworks, in which prompts trigger complex tool-based analysis in pursuit of a goal. While these frameworks have shown promise across multiple domains including in finance,…

Statistical Finance · Quantitative Finance 2025-07-14 Dimitrios Emmanoulopoulos , Ollie Olby , Justin Lyon , Namid R. Stillman

Predicting cryptocurrency returns is notoriously difficult: price movements are driven by a fast-shifting blend of on-chain activity, news flow, and social sentiment, while labeled training data are scarce and expensive. In this paper, we…

Machine Learning · Computer Science 2026-02-03 Junqiao Wang , Zhaoyang Guan , Guanyu Liu , Tianze Xia , Xianzhi Li , Shuo Yin , Xinyuan Song , Chuhan Cheng , Tianyu Shi , Alex Lee

There are multiple sources of financial news online which influence market movements and trader's decisions. This highlights the need for accurate sentiment analysis, in addition to having appropriate algorithmic trading techniques, to…

Computation and Language · Computer Science 2024-03-20 Thanos Konstantinidis , Giorgos Iacovides , Mingxue Xu , Tony G. Constantinides , Danilo Mandic

Large Language Models (LLMs) have recently demonstrated strong potential in generating 'believable human-like' behavior in web environments. Prior work has explored augmenting training data with LLM-synthesized rationales and applying…

Large language models (LLMs)-empowered web agents enables automating complex, real-time web navigation tasks in enterprise environments. However, existing web agents relying on supervised fine-tuning (SFT) often struggle with generalization…

Computation and Language · Computer Science 2025-06-10 Yuchen Zhuang , Di Jin , Jiaao Chen , Wenqi Shi , Hanrui Wang , Chao Zhang

Large Language Models (LLMs) are known to acquire reasoning capabilities through shared inference patterns in pre-training data, which are further elicited via Chain-of-Thought (CoT) practices. However, whether fundamental reasoning…

Computation and Language · Computer Science 2026-05-28 Xingwei Tan , Marco Valentino , Mahmud Elahi Akhter , Yuxiang Zhou , Maria Liakata , Nikolaos Aletras

Large language models (LLMs) have shown to be increasingly capable of performing reasoning tasks, but their ability to make sequential decisions under uncertainty only using natural language remains underexplored. We introduce a novel…

Computation and Language · Computer Science 2025-10-17 Jimin Lim , Arjun Damerla , Arthur Jiang , Nam Le

Although Large Language Model (LLM)-based agents are increasingly used in financial trading, it remains unclear whether they can reason and adapt in live markets, as most studies test models instead of agents, cover limited periods and…

LLMs have shown the capacity to improve their performance on reasoning tasks through reflecting on their mistakes, and acting with these reflections in mind. However, continual reflections of the same LLM onto itself exhibit degeneration of…

Artificial Intelligence · Computer Science 2025-12-25 Onat Ozer , Grace Wu , Yuchen Wang , Daniel Dosti , Honghao Zhang , Vivi De La Rue

Recent advances in large language models (LLMs) have enabled multi-agent reasoning systems capable of collaborative decision-making. However, in financial analysis, most frameworks remain narrowly focused on either isolated single-agent…

Computational Engineering, Finance, and Science · Computer Science 2025-10-28 Chen-Che Lu , Yun-Cheng Chou , Teng-Ruei Chen

Large language models (LLMs) have demonstrated remarkable reasoning capabilities across diverse domains. Recent studies have shown that increasing test-time computation enhances LLMs' reasoning capabilities. This typically involves…

Computation and Language · Computer Science 2025-06-17 Maohao Shen , Guangtao Zeng , Zhenting Qi , Zhang-Wei Hong , Zhenfang Chen , Wei Lu , Gregory Wornell , Subhro Das , David Cox , Chuang Gan

Cryptocurrencies are widely used, yet current methods for analyzing transactions often rely on opaque, black-box models. While these models may achieve high performance, their outputs are usually difficult to interpret and adapt, making it…

Cryptography and Security · Computer Science 2025-09-05 Yuchen Lei , Yuexin Xiang , Qin Wang , Rafael Dowsley , Tsz Hon Yuen , Kim-Kwang Raymond Choo , Jiangshan Yu