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Long-context capabilities are essential for large language models (LLMs) to tackle complex and long-input tasks. Despite numerous efforts made to optimize LLMs for long contexts, challenges persist in robustly processing long inputs. In…

计算与语言 · 计算机科学 2024-11-06 Shilong Li , Yancheng He , Hangyu Guo , Xingyuan Bu , Ge Bai , Jie Liu , Jiaheng Liu , Xingwei Qu , Yangguang Li , Wanli Ouyang , Wenbo Su , Bo Zheng

Charts are ubiquitous as they help people understand and reason with data. Recently, various downstream tasks, such as chart question answering, chart2text, and fact-checking, have emerged. Large Vision-Language Models (LVLMs) show promise…

We present a novel approach for claim verification from tabular data documents. Recent LLM-based approaches either employ complex pretraining/fine-tuning or decompose verification into subtasks, often lacking comprehensive explanations and…

计算与语言 · 计算机科学 2026-04-21 Rudra Ranajee Saha , Laks V. S. Lakshmanan , Raymond T. Ng

Large Language Models (LLMs) often struggle with structural ambiguity in optimization problems, where a single problem admits multiple related but conflicting modeling paradigms, hindering effective solution generation. To address this, we…

计算与语言 · 计算机科学 2026-04-23 Xinyu Zhang , Yuchen Wan , Boxuan Zhang , Zesheng Yang , Lingling Zhang , Bifan Wei , Jun Liu

Large Language Models (LLMs) have shown remarkable ability in solving complex tasks, making them a promising tool for enhancing tabular learning. However, existing LLM-based methods suffer from high resource requirements, suboptimal…

机器学习 · 计算机科学 2025-05-12 Ruxue Shi , Hengrui Gu , Xu Shen , Xin Wang

Accurate visual understanding is imperative for advancing autonomous systems and intelligent robots. Despite the powerful capabilities of vision-language models (VLMs) in processing complex visual scenes, precisely recognizing obscured or…

计算机视觉与模式识别 · 计算机科学 2024-06-03 Huaxiang Zhang , Yaojia Mu , Guo-Niu Zhu , Zhongxue Gan

Multimodal Large Language Models (MLLMs) have shown impressive capabilities in image understanding and generation. However, current benchmarks fail to accurately evaluate the chart comprehension of MLLMs due to limited chart types and…

计算机视觉与模式识别 · 计算机科学 2024-06-21 Zhengzhuo Xu , Sinan Du , Yiyan Qi , Chengjin Xu , Chun Yuan , Jian Guo

The advancement of large language models (LLMs) has accelerated the development of autonomous financial trading systems. While mainstream approaches deploy multi-agent systems mimicking analyst and manager roles, they often rely on abstract…

人工智能 · 计算机科学 2026-02-27 Kunihiro Miyazaki , Takanobu Kawahara , Stephen Roberts , Stefan Zohren

Retrieval augmentation is critical when Language Models (LMs) exploit non-parametric knowledge related to the query through external knowledge bases before reasoning. The retrieved information is incorporated into LMs as context alongside…

信息检索 · 计算机科学 2024-11-21 Mingzhu Wang , Yuzhe Zhang , Qihang Zhao , Junyi Yang , Hong Zhang

Detecting biases in structured data is a complex and time-consuming task. Existing automated techniques are limited in diversity of data types and heavily reliant on human case-by-case handling, resulting in a lack of generalizability.…

人工智能 · 计算机科学 2025-04-08 Haoxuan Li , Mingyu Derek Ma , Jen-tse Huang , Zhaotian Weng , Wei Wang , Jieyu Zhao

High-dimensional data remains a pervasive challenge in machine learning, often undermining model interpretability and computational efficiency. While Large Language Models (LLMs) have shown promise for dimensionality reduction through…

机器学习 · 计算机科学 2025-10-08 Mohamed Bal-Ghaoui , Fayssal Sabri

As large language models (LLMs) become more specialized, we envision a future where millions of expert LLMs exist, each trained on proprietary data and excelling in specific domains. In such a system, answering a query requires selecting a…

Complex table question answering (TQA) aims to answer questions that require complex reasoning, such as multi-step or multi-category reasoning, over data represented in tabular form. Previous approaches demonstrated notable performance by…

计算与语言 · 计算机科学 2025-02-11 Wei Zhou , Mohsen Mesgar , Annemarie Friedrich , Heike Adel

Large Language Models (LLMs), prominently highlighted by the recent evolution in the Generative Pre-trained Transformers (GPT) series, have displayed significant prowess across various domains, such as aiding in healthcare diagnostics and…

投资组合管理 · 定量金融 2023-09-08 Yang Li , Yangyang Yu , Haohang Li , Zhi Chen , Khaldoun Khashanah

The rapid spread of misinformation in the digital era poses significant challenges to public discourse, necessitating robust and scalable fact-checking solutions. Traditional human-led fact-checking methods, while credible, struggle with…

人工智能 · 计算机科学 2025-06-24 Tam Trinh , Manh Nguyen , Truong-Son Hy

Chart question-answering (QA) benchmarks aim to pose questions that require visual reasoning to correctly answer, but models can often reach solutions through shortcuts or prior familiarity with a chart based on their own background…

计算与语言 · 计算机科学 2026-05-27 Yifan Jiang , Dae Yon Hwang , Jesse C. Cresswell , Freda Shi

Large Language Models (LLMs) have demonstrated impressive performance across diverse domains, yet they still encounter challenges such as insufficient domain-specific knowledge, biases, and hallucinations. This underscores the need for…

计算与语言 · 计算机科学 2025-04-07 Hongliu Cao , Ilias Driouich , Robin Singh , Eoin Thomas

Scholarly web is a vast network of knowledge connected by citations. However, this system is increasingly compromised by miscitation, where references do not support or even contradict the claims they are cited for. Current miscitation…

信息检索 · 计算机科学 2026-03-16 Huidong Wu , Haojia Xiang , Jingtong Gao , Xiangyu Zhao , Dengsheng Wu , Jianping Li

Graphs are widely used for modeling relational data in real-world scenarios, such as social networks and urban computing. Existing LLM-based graph analysis approaches either integrate graph neural networks (GNNs) for specific machine…

人工智能 · 计算机科学 2025-11-04 Xin Li , Qizhi Chu , Yubin Chen , Yang Liu , Yaoqi Liu , Zekai Yu , Weize Chen , Chen Qian , Chuan Shi , Cheng Yang

Chart descriptions are essential for accessibility, cross-modal retrieval, and assisting readers in extracting insights from complex visualizations. As multimodal large language models (MLLMs) are increasingly adopted for automated chart…

计算与语言 · 计算机科学 2026-05-25 Fen Wang , Zekai Shao , Qiman Kang , Chunran Hu , Zhixuan Zhang , Lexu Xie , Chao Liu , Siming Chen