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World models have become central to autonomous driving, where accurate scene understanding and future prediction are crucial for safe control. Recent work has explored using vision-language models (VLMs) for planning, yet existing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Zhexiao Xiong , Xin Ye , Burhan Yaman , Sheng Cheng , Yiren Lu , Jingru Luo , Nathan Jacobs , Liu Ren

The relation extraction (RE) in complex scenarios faces challenges such as diverse relation types and ambiguous relations between entities within a single sentence, leading to the poor performance of pure "text-in, text-out" language models…

Computation and Language · Computer Science 2024-09-04 Yuchen Shi , Guochao Jiang , Tian Qiu , Deqing Yang

Reinforcement learning (RL) agents are vulnerable to adversarial disturbances, which can deteriorate task performance or compromise safety specifications. Existing methods either address safety requirements under the assumption of no…

Machine Learning · Computer Science 2023-09-14 Zeyang Li , Chuxiong Hu , Yunan Wang , Yujie Yang , Shengbo Eben Li

Large language models (LLMs), including zero-shot and few-shot paradigms, have shown promising capabilities in clinical text generation. However, real-world applications face two key challenges: (1) patient data is highly unstructured,…

Computation and Language · Computer Science 2025-07-10 Garapati Keerthana , Manik Gupta

Retrieval Augmented Generation (RAG) systems have seen huge popularity in augmenting Large-Language Model (LLM) outputs with domain specific and time sensitive data. Very recently a shift is happening from simple RAG setups that query a…

Information Retrieval · Computer Science 2024-03-05 Tristan Kenneweg , Philip Kenneweg , Barbara Hammer

Future wireless networks aim to deliver high data rates and lower power consumption while ensuring seamless connectivity, necessitating robust optimization. Large language models (LLMs) have been deployed for generalized optimization…

Networking and Internet Architecture · Computer Science 2025-03-12 Muhammad Ahmed Mohsin , Ahsan Bilal , Sagnik Bhattacharya , John M. Cioffi

We propose a framework that can incrementally expand the explanatory temporal logic rule set to explain the occurrence of temporal events. Leveraging the temporal point process modeling and learning framework, the rule content and weights…

Machine Learning · Computer Science 2023-08-14 Chao Yang , Lu Wang , Kun Gao , Shuang Li

Retrieval-augmented generation (RAG) systems are widely deployed in real-world applications in diverse domains such as finance, healthcare, and cybersecurity. However, many studies showed that they are vulnerable to knowledge corruption…

Cryptography and Security · Computer Science 2025-08-27 Runpeng Geng , Yanting Wang , Ying Chen , Jinyuan Jia

We propose a novel Reinforcement Learning model for discrete environments, which is inherently interpretable and supports the discovery of deep subgoal hierarchies. In the model, an agent learns information about environment in the form of…

Artificial Intelligence · Computer Science 2022-02-16 Alexander Demin , Denis Ponomaryov

Retrieval-Augmented Generation (RAG) systems empower large language models (LLMs) with external knowledge, yet struggle with efficiency-accuracy trade-offs when scaling to large knowledge graphs. Existing approaches often rely on monolithic…

Artificial Intelligence · Computer Science 2025-11-06 Ruiyi Yang , Hao Xue , Imran Razzak , Shirui Pan , Hakim Hacid , Flora D. Salim

Unified multimodal models often struggle with complex synthesis tasks that demand deep reasoning, and typically treat text-to-image generation and image editing as isolated capabilities rather than interconnected reasoning steps. To address…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Dianyi Wang , Chaofan Ma , Feng Han , Size Wu , Wei Song , Yibin Wang , Zhixiong Zhang , Tianhang Wang , Siyuan Wang , Zhongyu Wei , Jiaqi Wang

Reinforcement learning (RL) is emerging as a powerful paradigm for enabling large language models (LLMs) to perform complex reasoning tasks. Recent advances indicate that integrating RL with retrieval-augmented generation (RAG) allows LLMs…

Computation and Language · Computer Science 2025-08-13 Wentao Jiang , Xiang Feng , Zengmao Wang , Yong Luo , Pingbo Xu , Zhe Chen , Bo Du , Jing Zhang

Retrieval-Augmented Generation (RAG) systems have recently shown remarkable advancements by integrating retrieval mechanisms into language models, enhancing their ability to produce more accurate and contextually relevant responses.…

Computation and Language · Computer Science 2025-01-14 Siran Li , Linus Stenzel , Carsten Eickhoff , Seyed Ali Bahrainian

Talking face generation has been extensively investigated owing to its wide applicability. The two primary frameworks used for talking face generation comprise a text-driven framework, which generates synchronized speech and talking faces…

Computer Vision and Pattern Recognition · Computer Science 2023-05-22 Kentaro Mitsui , Yukiya Hono , Kei Sawada

Large language models (LLMs) excel in question-answering (QA) tasks, and retrieval-augmented generation (RAG) enhances their precision by incorporating external evidence from diverse sources like web pages, databases, and knowledge graphs.…

Information Retrieval · Computer Science 2025-04-10 Yikuan Xia , Jiazun Chen , Yirui Zhan , Suifeng Zhao , Weipeng Jiang , Chaorui Zhang , Wei Han , Bo Bai , Jun Gao

A pervasive challenge in Reinforcement Learning (RL) is the "curse of dimensionality" which is the exponential growth in the state-action space when optimizing a high-dimensional target task. The framework of curriculum learning trains the…

Machine Learning · Computer Science 2025-03-24 Mingxuan Li , Junzhe Zhang , Elias Bareinboim

Reinforcement learning has recently shown promise as a technique for training an artificial neural network to parse sentences in some unknown format, through a body of work known as RL-GRIT. A key aspect of the RL-GRIT approach is that…

Machine Learning · Computer Science 2022-05-24 Alexander Grushin , Walt Woods

A long-standing issue with paraphrase generation is how to obtain reliable supervision signals. In this paper, we propose an unsupervised paradigm for paraphrase generation based on the assumption that the probabilities of generating two…

Computation and Language · Computer Science 2021-09-02 Yuxian Meng , Xiang Ao , Qing He , Xiaofei Sun , Qinghong Han , Fei Wu , Chun fan , Jiwei Li

Real-world multimodal applications often require any-to-any capabilities, enabling both understanding and generation across modalities including text, image, audio, and video. However, integrating the strengths of autoregressive language…

Machine Learning · Computer Science 2025-08-15 Jiulin Li , Ping Huang , Yexin Li , Shuo Chen , Juewen Hu , Ye Tian

The remarkable success of diffusion models in text-to-image generation has sparked growing interest in expanding their capabilities to a variety of multi-modal tasks, including image understanding, manipulation, and perception. These tasks…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Xinyang Song , Libin Wang , Weining Wang , Shaozhen Liu , Dandan Zheng , Jingdong Chen , Qi Li , Zhenan Sun