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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…

Computation and Language · Computer Science 2025-02-11 Wei Zhou , Mohsen Mesgar , Annemarie Friedrich , Heike Adel

Mathematical error detection in educational settings presents a significant challenge for Multimodal Large Language Models (MLLMs), requiring a sophisticated understanding of both visual and textual mathematical content along with complex…

Computation and Language · Computer Science 2025-05-21 Yibo Yan , Shen Wang , Jiahao Huo , Philip S. Yu , Xuming Hu , Qingsong Wen

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…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Zhengzhuo Xu , Sinan Du , Yiyan Qi , Chengjin Xu , Chun Yuan , Jian Guo

The integration of large language models (LLMs) with external tools has significantly expanded the capabilities of AI agents. However, as the diversity of both LLMs and tools increases, selecting the optimal model-tool combination becomes a…

Computation and Language · Computer Science 2026-01-08 Jinyang Wu , Guocheng Zhai , Ruihan Jin , Jiahao Yuan , Yuhao Shen , Shuai Zhang , Zhengqi Wen , Jianhua Tao

Charts are widely used for data visualization across various fields, including education, research, and business. Chart Question Answering (CQA) is an emerging task focused on the automatic interpretation and reasoning of data presented in…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Muye Huang , Lingling Zhang , Lai Han , Wenjun Wu , Xinyu Zhang , Jun Liu

Purpose: Echocardiographic interpretation requires video-level reasoning and guideline-based measurement analysis, which current deep learning models for cardiac ultrasound do not support. We present EchoAgent, a framework that enables…

Large Language Models (LLMs) have made significant strides in reasoning tasks through methods like chain-of-thought (CoT) reasoning. However, they often fall short in tasks requiring precise computations. Tool-Integrated Reasoning (TIR) has…

Computation and Language · Computer Science 2025-08-22 Yufeng Zhao , Junnan Liu , Hongwei Liu , Dongsheng Zhu , Yuan Shen , Songyang Zhang , Kai Chen

Recent methods for customizing Large Vision Language Models (LVLMs) for domain-specific tasks have shown promising results in scientific chart comprehension. However, existing approaches face two major limitations: First, they rely on…

Computation and Language · Computer Science 2025-07-22 Wan-Cyuan Fan , Yen-Chun Chen , Mengchen Liu , Alexander Jacobson , Lu Yuan , Leonid Sigal

Chart parsing poses a significant challenge due to the diversity of styles, values, texts, and so forth. Even advanced large vision-language models (LVLMs) with billions of parameters struggle to handle such tasks satisfactorily. To address…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Jinyue Chen , Lingyu Kong , Haoran Wei , Chenglong Liu , Zheng Ge , Liang Zhao , Jianjian Sun , Chunrui Han , Xiangyu Zhang

Charts are common in literature across various scientific fields, conveying rich information easily accessible to readers. Current chart-related tasks focus on either chart perception that extracts information from the visual charts, or…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Renqiu Xia , Haoyang Peng , Hancheng Ye , Mingsheng Li , Xiangchao Yan , Peng Ye , Botian Shi , Yu Qiao , Junchi Yan , Bo Zhang

Large Audio Language Models (LALMs) excel at perception but struggle with complex reasoning requiring precise acoustic measurements. While external tools can extract fine-grained features like exact tempo or pitch, effective integration…

Sound · Computer Science 2026-02-17 Siqian Tong , Xuan Li , Yiwei Wang , Baolong Bi , Yujun Cai , Shenghua Liu , Yuchen He , Chengpeng Hao

Scientific data visualization plays a crucial role in research by enabling the direct display of complex information and assisting researchers in identifying implicit patterns. Despite its importance, the use of Large Language Models (LLMs)…

Computation and Language · Computer Science 2024-03-20 Zhiyu Yang , Zihan Zhou , Shuo Wang , Xin Cong , Xu Han , Yukun Yan , Zhenghao Liu , Zhixing Tan , Pengyuan Liu , Dong Yu , Zhiyuan Liu , Xiaodong Shi , Maosong Sun

Large language models (LLMs) exhibit strong symbolic and compositional reasoning, yet they struggle with time series question answering as the data is typically transformed into an LLM-compatible modality, e.g., serialized text, plotted…

Artificial Intelligence · Computer Science 2026-04-08 Penghang Liu , Elizabeth Fons , Annita Vapsi , Mohsen Ghassemi , Svitlana Vyetrenko , Daniel Borrajo , Vamsi K. Potluru , Manuela Veloso

Explainable Reinforcement Learning (XRL) has emerged as a promising approach in improving the transparency of Reinforcement Learning (RL) agents. However, there remains a gap between complex RL policies and domain experts, due to the…

Artificial Intelligence · Computer Science 2025-09-09 Haechang Kim , Hao Chen , Can Li , Jong Min Lee

Chart understanding tasks such as ChartQA and Chart-to-Text involve automatically extracting and interpreting key information from charts, enabling users to query or convert visual data into structured formats. State-of-the-art approaches…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Xudong Yang , Yifan Wu , Yizhang Zhu , Nan Tang , Yuyu Luo

Large Language Models (LLMs), when enhanced through reasoning-oriented post-training, evolve into powerful Large Reasoning Models (LRMs). Tool-Integrated Reasoning (TIR) further extends their capabilities by incorporating external tools,…

Computation and Language · Computer Science 2025-07-30 Yifan Wei , Xiaoyan Yu , Yixuan Weng , Tengfei Pan , Angsheng Li , Li Du

We present the LM Transparency Tool (LM-TT), an open-source interactive toolkit for analyzing the internal workings of Transformer-based language models. Differently from previously existing tools that focus on isolated parts of the…

Computation and Language · Computer Science 2024-04-11 Igor Tufanov , Karen Hambardzumyan , Javier Ferrando , Elena Voita

Chart reasoning presents unique challenges due to its inherent complexity -- requiring precise numerical comprehension, multi-level visual understanding, and logical inference across interconnected data elements. Existing vision-language…

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

Dental image analysis plays a pivotal role in supporting accurate diagnosis and treatment planning in oral healthcare. Although recent advances have produced dental AI models for specific tasks and individual imaging modalities, their…

Large language models (LLMs) and agent-based frameworks have advanced rapidly, enabling diverse applications. Yet, with the proliferation of models and agentic strategies, practitioners face substantial uncertainty in selecting the best…

Computation and Language · Computer Science 2025-10-08 Zheyuan Zhang , Kaiwen Shi , Zhengqing Yuan , Zehong Wang , Tianyi Ma , Keerthiram Murugesan , Vincent Galassi , Chuxu Zhang , Yanfang Ye