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Web scraping is a powerful technique that extracts data from websites, enabling automated data collection, enhancing data analysis capabilities, and minimizing manual data entry efforts. Existing methods, wrappers-based methods suffer from…

Computation and Language · Computer Science 2024-09-27 Wenhao Huang , Zhouhong Gu , Chenghao Peng , Zhixu Li , Jiaqing Liang , Yanghua Xiao , Liqian Wen , Zulong Chen

Modern agents powered by thinking LLMs achieve high accuracy through long chain-of-thought reasoning but incur substantial inference costs. While many LLMs now support configurable reasoning levels (e.g., high/medium/low), static strategies…

Artificial Intelligence · Computer Science 2026-03-10 Jingbo Yang , Bairu Hou , Wei Wei , Yujia Bao , Shiyu Chang

Large language models (LLMs) have achieved remarkable performance across many generation tasks. Nevertheless, effectively aligning them with desired behaviors remains a significant challenge. Activation steering is an effective and…

Computation and Language · Computer Science 2025-10-02 Zifeng Cheng , Jinwei Gan , Zhiwei Jiang , Cong Wang , Yafeng Yin , Xiang Luo , Yuchen Fu , Qing Gu

Large Language Models (LLMs) have demonstrated remarkable capabilities, enabling language agents to excel at single-turn tasks. However, their application to complex, multi-step, and long-horizon tasks remains challenging. While…

Machine Learning · Computer Science 2025-10-24 Jiazheng Li , Yawei Wang , David Yan , Yijun Tian , Zhichao Xu , Huan Song , Panpan Xu , Lin Lee Cheong

Large language models (LLMs) encode a vast amount of world knowledge acquired from massive text datasets. Recent studies have demonstrated that LLMs can assist an embodied agent in solving complex sequential decision making tasks by…

Artificial Intelligence · Computer Science 2024-06-27 Bin Hu , Chenyang Zhao , Pu Zhang , Zihao Zhou , Yuanhang Yang , Zenglin Xu , Bin Liu

Large Language Models (LLMs) have demonstrated remarkable capabilities in executing tasks based on natural language queries. However, these models, trained on curated datasets, inherently embody biases ranging from racial to national and…

Computation and Language · Computer Science 2024-07-29 Lynnette Hui Xian Ng , Iain Cruickshank , Roy Ka-Wei Lee

Stance classification, the task of predicting the viewpoint of an author on a subject of interest, has long been a focal point of research in domains ranging from social science to machine learning. Current stance detection methods rely…

Computation and Language · Computer Science 2024-03-07 Iain J. Cruickshank , Lynnette Hui Xian Ng

Collecting ground-truth rewards or human demonstrations for multi-step reasoning tasks is often prohibitively expensive, particularly in interactive domains such as web tasks. We introduce Self-Taught Lookahead (STL), a reward-free…

Machine Learning · Computer Science 2025-10-31 Ethan Mendes , Alan Ritter

Large Language Models (LLMs) have demonstrated remarkable potential in scientific research, particularly in chemistry-related tasks such as molecular design, reaction prediction, and property estimation. While tool-augmented LLMs have been…

Computational Engineering, Finance, and Science · Computer Science 2025-02-21 Zhucong Li , Jin Xiao , Bowei Zhang , Zhijian Zhou , Qianyu He , Fenglei Cao , Jiaqing Liang , Yuan Qi

While Large Language Models (LLMs) form the cornerstone of sequential decision-making agent development, they have inherent limitations in high-frequency decision tasks. Existing research mainly focuses on discrete embodied decision…

Artificial Intelligence · Computer Science 2026-03-04 Yang Zhao , Zihao Li , Zhiyu Jiang , Dandan Ma , Ganchao Liu , Wenzhe Zhao

Content moderation, the process of reviewing and monitoring the safety of generated content, is important for development of welcoming online platforms and responsible large language models. Content moderation contains various tasks, each…

Computation and Language · Computer Science 2024-11-11 Minjia Wang , Pingping Lin , Siqi Cai , Shengnan An , Shengjie Ma , Zeqi Lin , Congrui Huang , Bixiong Xu

Large language models (LLMs) have achieved impressive performance across various natural language benchmarks, prompting a continual need to curate more difficult datasets for larger LLMs, which is costly and time-consuming. In this paper,…

Computation and Language · Computer Science 2024-06-07 Jiahao Ying , Yixin Cao , Yushi Bai , Qianru Sun , Bo Wang , Wei Tang , Zhaojun Ding , Yizhe Yang , Xuanjing Huang , Shuicheng Yan

The advent of multimodal agents facilitates effective interaction within graphical user interface (GUI), especially in ubiquitous GUI control. However, their inability to reliably execute toggle control instructions remains a key…

Artificial Intelligence · Computer Science 2026-03-19 Zongru Wu , Rui Mao , Zhiyuan Tian , Pengzhou Cheng , Tianjie Ju , Zheng Wu , Lingzhong Dong , Haiyue Sheng , Zhuosheng Zhang , Gongshen Liu

We study the synthesis of policies for multi-agent systems to implement spatial-temporal tasks. We formalize the problem as a factored Markov decision process subject to so-called graph temporal logic specifications. The transition function…

Multiagent Systems · Computer Science 2020-01-27 Murat Cubuktepe , Zhe Xu , Ufuk Topcu

The utilization of online stochastic algorithms is popular in large-scale learning settings due to their ability to compute updates on the fly, without the need to store and process data in large batches. When a constant step-size is used,…

Optimization and Control · Mathematics 2023-07-19 Stefan Vlaski , Elsa Rizk , Ali H. Sayed

Integrated task and motion planning has emerged as a challenging problem in sequential decision making, where a robot needs to compute high-level strategy and low-level motion plans for solving complex tasks. While high-level strategies…

Artificial Intelligence · Computer Science 2018-02-19 Siddharth Srivastava , Nishant Desai , Richard Freedman , Shlomo Zilberstein

With the rapid advancements in Large Language Models (LLMs), an increasing number of studies have leveraged LLMs as the cognitive core of agents to address complex task decision-making challenges. Specially, recent research has demonstrated…

Multiagent Systems · Computer Science 2025-03-13 Di Zhao , Longhui Ma , Siwei Wang , Miao Wang , Zhao Lv

Representing speech as discrete tokens provides a framework for transforming speech into a format that closely resembles text, thus enabling the use of speech as an input to the widely successful large language models (LLMs). Currently,…

Recent advances in Multimodal Large Language Models (MLLMs) have substantially driven the progress of autonomous agents for Graphical User Interface (GUI). Nevertheless, in real-world applications, GUI agents are often faced with…

Artificial Intelligence · Computer Science 2026-02-17 Yibo Wang , Guangda Huzhang , Yuwei Hu , Yu Xia , Shiyin Lu , Qing-Guo Chen , Zhao Xu , Weihua Luo , Kaifu Zhang , Lijun Zhang

The limited context window of contemporary large language models (LLMs) remains a primary bottleneck for their broader application across diverse domains. Although continual pre-training on long-context data offers a straightforward…

Computation and Language · Computer Science 2026-04-10 Wei Han , Pan Zhou , Soujanya Poria , Shuicheng Yan