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Recent advances in Large Language Models (LLMs) and multimodal foundation models have significantly broadened their application in robotics and collaborative systems. However, effective multi-agent interaction necessitates robust…

Joint extraction of aspects and sentiments can be effectively formulated as a sequence labeling problem. However, such formulation hinders the effectiveness of supervised methods due to the lack of annotated sequence data in many domains.…

Computation and Language · Computer Science 2019-11-01 Zheng Li , Xin Li , Ying Wei , Lidong Bing , Yu Zhang , Qiang Yang

Recent advancements in Large Language Models (LLMs) and Reinforcement Learning (RL) have shown significant promise in decision-making tasks. Nevertheless, for large-scale industrial decision problems, both approaches face distinct…

Artificial Intelligence · Computer Science 2025-06-04 Xu Wan , Wenyue Xu , Chao Yang , Mingyang Sun

Large Language Model (LLM) agents have shown strong results on multi-turn tool-use tasks, yet they operate in isolation during training, failing to leverage experiences accumulated across episodes. Existing experience-augmented methods…

Machine Learning · Computer Science 2026-03-20 Prince Zizhuang Wang , Shuli Jiang

LLM agents increasingly operate in open-ended environments spanning hundreds of sequential episodes, yet they remain largely stateless: each task is solved from scratch without converting past experience into better future behavior. The…

Computation and Language · Computer Science 2026-04-24 Wujiang Xu , Jiaojiao Han , Minghao Guo , Kai Mei , Xi Zhu , Han Zhang , Dimitris N. Metaxas

Variational autoencoders (VAEs) are essential tools in end-to-end representation learning. However, the sequential text generation common pitfall with VAEs is that the model tends to ignore latent variables with a strong auto-regressive…

Machine Learning · Computer Science 2021-02-26 Yang Zhao , Ping Yu , Suchismit Mahapatra , Qinliang Su , Changyou Chen

In recent years, pre-trained large language models (LLMs) have demonstrated remarkable efficiency in achieving an inference-time few-shot learning capability known as in-context learning. However, existing literature has highlighted the…

Computation and Language · Computer Science 2024-02-14 Xinyi Wang , Wanrong Zhu , Michael Saxon , Mark Steyvers , William Yang Wang

Offline reinforcement learning (RL) provides a powerful framework for training robotic agents using pre-collected, suboptimal datasets, eliminating the need for costly, time-consuming, and potentially hazardous online interactions. This is…

Machine Learning · Computer Science 2025-08-01 Tung M. Luu , Donghoon Lee , Younghwan Lee , Chang D. Yoo

Large Language Model (LLM) agents are increasingly used to automate complex workflows, but integrating untrusted external data with privileged execution exposes them to severe security risks, particularly direct and indirect prompt…

Cryptography and Security · Computer Science 2026-04-28 Zonghao Ying , Haozheng Wang , Jiangfan Liu , Quanchen Zou , Aishan Liu , Jian Yang , Yaodong Yang , Xianglong Liu

The evolution of Large Language Models (LLMs) into autonomous agents necessitates the management of extensive, dynamic contexts. Current benchmarks, however, remain largely static, relying on passive retrieval tasks that fail to simulate…

Computation and Language · Computer Science 2026-02-02 Shicheng Fang , Yuxin Wang , Xiaoran Liu , Jiahao Lu , Chuanyuan Tan , Xinchi Chen , Yining Zheng , Xuanjing Huang , Xipeng Qiu

Image-to-text generation aims to describe images using natural language. Recently, zero-shot image captioning based on pre-trained vision-language models (VLMs) and large language models (LLMs) has made significant progress. However, we…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Junjie Fei , Teng Wang , Jinrui Zhang , Zhenyu He , Chengjie Wang , Feng Zheng

Large language models (LLMs) excel at handling human queries, but they can occasionally generate flawed or unexpected responses. Understanding their internal states is crucial for understanding their successes, diagnosing their failures,…

Computation and Language · Computer Science 2025-02-24 Xuansheng Wu , Jiayi Yuan , Wenlin Yao , Xiaoming Zhai , Ninghao Liu

Vision-Language Models (VLMs) are increasingly deployed in real-time applications such as autonomous driving and human-computer interaction, which demand fast and reliable responses based on accurate perception. To meet these requirements,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Chen Qian , Xinran Yu , Zewen Huang , Danyang Li , Qiang Ma , Fan Dang , Xuan Ding , Guangyong Shang , Zheng Yang

Controlling robots through natural language is pivotal for enhancing human-robot collaboration and synthesizing complex robot behaviors. Recent works that are trained on large robot datasets show impressive generalization abilities.…

This paper studies contextual biasing with Large Language Models (LLMs), where during second-pass rescoring additional contextual information is provided to a LLM to boost Automatic Speech Recognition (ASR) performance. We propose to…

Computation and Language · Computer Science 2023-09-25 Chuanneng Sun , Zeeshan Ahmed , Yingyi Ma , Zhe Liu , Lucas Kabela , Yutong Pang , Ozlem Kalinli

Service robots are increasingly deployed in diverse and dynamic environments, where both physical layouts and social contexts change over time and across locations. In these unstructured settings, conventional navigation systems that rely…

Robotics · Computer Science 2025-07-16 Yanbo Wang , Zipeng Fang , Lei Zhao , Weidong Chen

Large Language Model (LLM) Agents, often trained with Reinforcement Learning (RL), are constrained by a dependency on human-curated data, limiting scalability and tethering AI to human knowledge. Existing self-evolution frameworks offer an…

Machine Learning · Computer Science 2025-11-21 Peng Xia , Kaide Zeng , Jiaqi Liu , Can Qin , Fang Wu , Yiyang Zhou , Caiming Xiong , Huaxiu Yao

With the power of large language models (LLMs), open-ended embodied agents can flexibly understand human instructions, generate interpretable guidance strategies, and output executable actions. Nowadays, Multi-modal Language Models~(MLMs)…

Artificial Intelligence · Computer Science 2024-04-11 Zhonghan Zhao , Ke Ma , Wenhao Chai , Xuan Wang , Kewei Chen , Dongxu Guo , Yanting Zhang , Hongwei Wang , Gaoang Wang

Large-scale pre-trained Vision-Language models (VLMs), such as CLIP, exhibit strong zero-shot generalization, yet remain highly vulnerable to imperceptible adversarial perturbations, raising serious safety concerns for open-world…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Xin Wang , Yixu Wang , Jiaming Zhang , Ruofan Wang , Jiaqi Yu , Kai Chen , Jingjing Chen , Xingjun Ma , Yu-Gang Jiang

Aspect-based sentiment analysis (ABSA), a sequence labeling task, has attracted increasing attention in multilingual contexts. While previous research has focused largely on fine-tuning or training models specifically for ABSA, we evaluate…

Computation and Language · Computer Science 2025-06-25 Chengyan Wu , Bolei Ma , Zheyu Zhang , Ningyuan Deng , Yanqing He , Yun Xue