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Web agents based on large language models (LLMs) rely on observations of web pages -- commonly represented as HTML -- as the basis for identifying available actions and planning subsequent steps. Prior work has treated the verbosity of HTML…

Computation and Language · Computer Science 2026-04-03 Masafumi Enomoto , Ryoma Obara , Haochen Zhang , Masafumi Oyamada

Spreadsheets are central to real-world applications such as enterprise reporting, auditing, and scientific data management. Despite their ubiquity, existing large language model based approaches typically treat tables as plain text,…

Computation and Language · Computer Science 2026-04-15 Houxing Ren , Mingjie Zhan , Zimu Lu , Ke Wang , Yunqiao Yang , Haotian Hou , Hongsheng Li

The web page usage mining plays a vital role in enriching the page's content and structure based on the feedbacks received from the user's interactions with the page. This paper proposes a model for micro-managing the tracking activities by…

Information Retrieval · Computer Science 2012-03-13 K. S. Kuppusamy , G. Aghila

Vision-and-language navigation requires an agent to navigate through a real 3D environment following natural language instructions. Despite significant advances, few previous works are able to fully utilize the strong correspondence between…

Computer Vision and Pattern Recognition · Computer Science 2020-10-06 Yicong Hong , Cristian Rodriguez-Opazo , Qi Wu , Stephen Gould

Large Language Model (LLM) web agents often struggle with long-horizon web navigation and web task completion in new websites, producing inefficient action sequences unless fine-tuned on environment-specific data. We show that…

Web agents promise to automate complex browser tasks, but current methods remain brittle -- relying on step-by-step UI interactions and heavy LLM reasoning that break under dynamic layouts and long horizons. Humans, by contrast, exploit…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Viraj Prabhu , Yutong Dai , Matthew Fernandez , Jing Gu , Krithika Ramakrishnan , Yanqi Luo , Silvio Savarese , Caiming Xiong , Junnan Li , Zeyuan Chen , Ran Xu

LLM-based agents often operate in a greedy, step-by-step manner, selecting actions solely based on the current observation without considering long-term consequences or alternative paths. This lack of foresight is particularly problematic…

Artificial Intelligence · Computer Science 2025-12-16 Mahir Labib Dihan , Tanzima Hashem , Mohammed Eunus Ali , Md Rizwan Parvez

Large language model (LLM) agents are becoming competent at straightforward web tasks, such as opening an item page or submitting a form, but still struggle with objectives that require long horizon navigation, large scale information…

Artificial Intelligence · Computer Science 2025-10-09 Jingbo Yang , Bairu Hou , Wei Wei , Shiyu Chang , Yujia Bao

LLM-based web agents show immense promise for information seeking, yet their effectiveness on long-horizon tasks is hindered by a fundamental trade-off in context management. Prevailing ReAct-based agents suffer from context saturation as…

Despite advances in multimodal large language models, autonomous web agents still struggle to reliably execute long-horizon tasks on complex and dynamic web interfaces. Existing agents often suffer from inaccurate element grounding, the…

Artificial Intelligence · Computer Science 2026-02-03 Aiden Yiliu Li , Xinyue Hao , Shilong Liu , Mengdi Wang

With the rapid advancement of tool-use capabilities in Large Language Models (LLMs), Retrieval-Augmented Generation (RAG) is shifting from static, one-shot retrieval toward autonomous, multi-turn evidence acquisition. However, existing…

Artificial Intelligence · Computer Science 2026-02-13 Zhanli Li , Huiwen Tian , Lvzhou Luo , Yixuan Cao , Ping Luo

Web agents powered by large language models (LLMs) must process lengthy web page observations to complete user goals; these pages often exceed tens of thousands of tokens. This saturates context limits and increases computational cost…

In remote sensing imagery analysis, patch-based methods have limitations in capturing information beyond the sliding window. This shortcoming poses a significant challenge in processing complex and variable geo-objects, which results in…

Computer Vision and Pattern Recognition · Computer Science 2023-09-28 Yinhe Liu , Sunan Shi , Junjue Wang , Yanfei Zhong

Collective Perception has attracted significant attention in recent years due to its advantage for mitigating occlusion and expanding the field-of-view, thereby enhancing reliability, efficiency, and, most crucially, decision-making safety.…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Yunshuang Yuan , Monika Sester

Despite significant advances in autonomous web navigation, current methods remain far from human-level performance in complex web environments. We argue that this limitation stems from Topological Blindness, where agents are forced to…

Information Retrieval · Computer Science 2026-03-24 Xuanwang Zhang , Yuteng Han , Jinnan Qi , Mulong Xie , Zhen Wu , Xinyu Dai

Recent advances in pixel-level tasks (e.g. segmentation) illustrate the benefit of of long-range interactions between aggregated region-based representations that can enhance local features. However, such aggregated representations, often…

Computer Vision and Pattern Recognition · Computer Science 2024-04-19 Mir Rayat Imtiaz Hossain , Leonid Sigal , James J. Little

As large language model (LLM)-based agents become increasingly integrated into daily digital interactions, their ability to reason across long interaction histories becomes crucial for providing personalized and contextually aware…

Machine Learning · Computer Science 2025-12-05 Andy Chung , Yichi Zhang , Kaixiang Lin , Aditya Rawal , Qiaozi Gao , Joyce Chai

We propose an online 3D semantic segmentation method that incrementally reconstructs a 3D semantic map from a stream of RGB-D frames. Unlike offline methods, ours is directly applicable to scenarios with real-time constraints, such as…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Silvan Weder , Francis Engelmann , Johannes L. Schönberger , Akihito Seki , Marc Pollefeys , Martin R. Oswald

Despite recent advances, LLM-based web agents still struggle with limited exploration, omission of critical steps, and sensitivity to task constraints. Prior work suggests that many of these failures stem from weaknesses in planning, yet…

Computation and Language · Computer Science 2026-05-29 Alejandra Zambrano , Sara Vera Marjanovic , Imene Kerboua , Xing Han Lù , Leila Kosseim

REST APIs play important roles in enriching the action space of web agents, yet most API-based agents rely on curated and uniform toolsets that do not reflect the complexity of real-world APIs. Building tool-using agents for arbitrary…

Computation and Language · Computer Science 2025-06-26 Xinyi Ni , Haonan Jian , Qiuyang Wang , Vedanshi Chetan Shah , Pengyu Hong