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While reinforcement learning (RL) has proven highly effective for general reasoning in vision-language models, its application to tasks requiring deep understanding of information-rich images and structured output generation remains…

Artificial Intelligence · Computer Science 2026-03-17 Lei Chen , Xuanle Zhao , Zhixiong Zeng , Jing Huang , Liming Zheng , Yufeng Zhong , Lin Ma

Considering a collection of RDF triples, the RDF-to-text generation task aims to generate a text description. Most previous methods solve this task using a sequence-to-sequence model or using a graph-based model to encode RDF triples and to…

Computation and Language · Computer Science 2022-03-24 Hanning Gao , Lingfei Wu , Hongyun Zhang , Zhihua Wei , Po Hu , Fangli Xu , Bo Long

Large Language Models (LLMs) have made substantial strides in structured tasks through Reinforcement Learning (RL), demonstrating proficiency in mathematical reasoning and code generation. However, applying RL in broader domains like…

Computation and Language · Computer Science 2025-02-10 Hao Sun , Yunyi Shen , Jean-Francois Ton , Mihaela van der Schaar

We propose a new, training-free method, Graph Reasoning via Retrieval Augmented Framework (GRRAF), that harnesses retrieval-augmented generation (RAG) alongside the code-generation capabilities of large language models (LLMs) to address a…

Artificial Intelligence · Computer Science 2025-09-17 Hanqing Li , Kiran Sheena Jyothi , Henry Liang , Sharika Mahadevan , Diego Klabjan

Reinforcement learning (RL) has successfully automated the complex process of mining formulaic alpha factors, for creating interpretable and profitable investment strategies. However, existing methods are hampered by the sparse rewards…

Machine Learning · Computer Science 2025-07-29 Junjie Zhao , Chengxi Zhang , Chenkai Wang , Peng Yang

This work reframes the Text-to-SQL task as a pathway for teaching large language models (LLMs) to reason over and manipulate tabular data--moving beyond the traditional focus on query generation. We propose a two-stage framework that…

Computation and Language · Computer Science 2025-05-05 Josefa Lia Stoisser , Marc Boubnovski Martell , Julien Fauqueur

Fine-tuning foundation models has emerged as a powerful approach for generating objects with specific desired properties. Reinforcement learning (RL) provides an effective framework for this purpose, enabling models to generate outputs that…

Machine Learning · Computer Science 2025-11-04 Pouya M. Ghari , Simone Sciabola , Ye Wang

Large Language Models (LLMs) often struggle with problems that require multi-step reasoning. For small-scale open-source models, Reinforcement Learning with Verifiable Rewards (RLVR) fails when correct solutions are rarely sampled even…

Computation and Language · Computer Science 2026-03-02 Yihe Deng , I-Hung Hsu , Jun Yan , Zifeng Wang , Rujun Han , Gufeng Zhang , Yanfei Chen , Wei Wang , Tomas Pfister , Chen-Yu Lee

We propose STRuCT-LLM, a unified framework for training large language models (LLMs) to perform structured reasoning over both relational and graph-structured data. Our approach jointly optimizes Text-to-SQL and Text-to-Cypher tasks using…

Computation and Language · Computer Science 2025-06-30 Josefa Lia Stoisser , Marc Boubnovski Martell , Lawrence Phillips , Casper Hansen , Julien Fauqueur

Reinforcement Learning (RL) serves as a potent paradigm for enhancing reasoning capabilities in Large Language Models (LLMs), yet standard outcome-based approaches often suffer from reward sparsity and inefficient credit assignment. In this…

Artificial Intelligence · Computer Science 2026-02-03 Xiangwei Wang , Wei Wang , Ken Chen , Nanduni Nimalsiri , Saman Halgamuge

Agentic Reinforcement Learning (RL) shows promise for complex tasks, but Text-to-SQL remains mostly restricted to single-turn paradigms. A primary bottleneck is the credit assignment problem. In traditional paradigms, rewards are determined…

Artificial Intelligence · Computer Science 2026-03-18 Long Li , Zhijian Zhou , Jiangxuan Long , Peiyang Liu , Weidi Xu , Zhe Wang , Shirui Pan , Chao Qu

Reinforcement learning (RL) has emerged as an effective paradigm for enhancing model reasoning. However, existing RL methods like GRPO typically rely on unstructured self-sampling to fit scalar rewards, often producing inefficient rollouts…

Computation and Language · Computer Science 2026-05-18 Jinyang Wu , Chonghua Liao , Mingkuan Feng , Shuai Zhang , Zhengqi Wen , Haoran Luo , Ling Yang , Huazhe Xu , Jianhua Tao

In Text-to-SQL, execution feedback is essential for guiding large language models (LLMs) to reason accurately and generate reliable SQL queries. However, existing methods treat execution feedback solely as a post-hoc signal for correction…

Computation and Language · Computer Science 2025-05-21 Yaxun Dai , Wenxuan Xie , Xialie Zhuang , Tianyu Yang , Yiying Yang , Haiqin Yang , Yuhang Zhao , Pingfu Chao , Wenhao Jiang

Designing effective reward functions remains a major challenge in reinforcement learning (RL), often requiring considerable human expertise and iterative refinement. Recent advances leverage Large Language Models (LLMs) for automated reward…

Robotics · Computer Science 2026-03-26 Changwei Yao , Xinzi Liu , Chen Li , Marios Savvides

In recent years, deep Reinforcement Learning (RL) has been successful in various combinatorial search domains, such as two-player games and scientific discovery. However, directly applying deep RL in planning domains is still challenging.…

Artificial Intelligence · Computer Science 2022-09-21 Dieqiao Feng , Carla P. Gomes , Bart Selman

Text-to-SQL has recently achieved impressive progress, yet remains difficult to apply effectively in real-world scenarios. This gap stems from the reliance on single static workflows, fundamentally limiting scalability to…

Computation and Language · Computer Science 2026-02-18 Yihan Wang , Peiyu Liu , Runyu Chen , Wei Xu

Reinforcement Learning (RL) has enabled Large Language Models (LLMs) to achieve remarkable reasoning in domains like mathematics and coding, where verifiable rewards provide clear signals. However, extending this paradigm to financial…

Artificial Intelligence · Computer Science 2026-01-09 Rui Sun , Yifan Sun , Sheng Xu , Li Zhao , Jing Li , Daxin Jiang , Cheng Hua , Zuo Bai

Text-to-SQL is a technology that converts natural language queries into the structured query language SQL. A novel research approach that has recently gained attention focuses on methods based on the complexity of SQL queries, achieving…

Computation and Language · Computer Science 2024-06-14 Jiawen Yi , Guo Chen , Zixiang Shen

Large Language Models (LLMs) struggle with multi-step reasoning over structured tables. The primary reason is the lack of explicit supervision for intermediate reasoning states. Existing learned reward models or executor-based verifiers are…

Artificial Intelligence · Computer Science 2026-05-19 Tung Sum Thomas Kwok , Xinyu Wang , Hengzhi He , Xiaofeng Lin , Peng Lu , Liheng Ma , Chunhe Wang , Chun Ho Mak , Yuyu Luo , Ying Nian Wu , Lei Ding , Guang Cheng

Large language models revolutionize Text2SQL through supervised fine-tuning, yet a crucial limitation is overlooked: the complexity of databases leads to an increased context length, consequently resulting in higher GPU memory demands for…

Databases · Computer Science 2024-10-16 Wen Wuzhenghong , Zhang Yongpan , Pan Su , Sun Yuwei , Lu Pengwei , Ding Cheng