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Diffusion large language models (dLLMs) generate text through iterative denoising. In commonly adopted parallel decoding schemes, each step confirms only high-confidence positions while remasking the others. By analyzing dLLM denoising…

Computation and Language · Computer Science 2026-05-27 Kangyu Wang , Zhiyun Jiang , Haibo Feng , Weijia Zhao , Lin Liu , Jianguo Li , Zhenzhong Lan , Weiyao Lin

Large Vision-Language Models (LVLMs) have obtained impressive performance in visual content understanding and multi-modal reasoning. Unfortunately, these large models suffer from serious hallucination problems and tend to generate…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Wei Suo , Lijun Zhang , Mengyang Sun , Lin Yuanbo Wu , Peng Wang , Yanning Zhang

Large Language Models (LLMs) increasingly rely on multi-turn reasoning and interaction, such as adaptive retrieval-augmented generation (RAG) and ReAct-style agents, to answer difficult questions. These methods improve accuracy by…

Computation and Language · Computer Science 2026-04-07 Xiaofan Zhou , Huy Nguyen , Bo Yu , Chenxi Liu , Lu Cheng

Large Vision-Language Models (LVLMs) use their vision encoders to translate images into representations for downstream reasoning, but the encoders often underperform in domain-specific visual tasks such as medical image diagnosis or…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Jason Wu , Tianchen Zhao , Chang Liu , Jiarui Cai , Zheng Zhang , Zhuowei Li , Aaditya Singh , Xiang Xu , Mani Srivastava , Jonathan Wu

Ensuring that large language models (LMs) are fair, robust and useful requires an understanding of how different modifications to their inputs impact the model's behaviour. In the context of open-text generation tasks, however, such an…

Computation and Language · Computer Science 2023-05-15 Gal Yona , Or Honovich , Itay Laish , Roee Aharoni

Large language models deliver strong generative performance but at the cost of massive parameter counts, memory use, and decoding latency. Prior work has shown that pruning and structured sparsity can preserve accuracy under substantial…

Computation and Language · Computer Science 2026-04-17 Andrew Kiruluta

Large language models (LLMs) have achieved remarkable success, yet aligning their generations with human preferences remains a critical challenge. Existing approaches to preference modeling often rely on an explicit or implicit reward…

Computation and Language · Computer Science 2025-05-09 Zhuocheng Gong , Jian Guan , Wei Wu , Huishuai Zhang , Dongyan Zhao

Large Language and Vision-Language Models (LLMs/VLMs) are increasingly used in safety-critical applications, yet their opaque decision-making complicates risk assessment and reliability. Uncertainty quantification (UQ) helps assess…

Machine Learning · Computer Science 2025-02-12 Sina Tayebati , Divake Kumar , Nastaran Darabi , Dinithi Jayasuriya , Ranganath Krishnan , Amit Ranjan Trivedi

Over-reliance on language priors is a major cause of hallucinations in Large Vision-Language Models (LVLMs), often leading to outputs that are linguistically plausible but visually inconsistent. Recent studies have explored contrastive…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Jianfei Zhao , Feng Zhang , Xin Sun , Lingxing Kong , Zhixing Tan , Chong Feng

Multivariate time series anomaly detection has become increasingly important in real-world applications, where labeled data are often scarce. Many existing approaches rely on unsupervised learning to model normal patterns, but they often…

Machine Learning · Computer Science 2026-05-25 Jaehyeop Hong , Youngbum Hur

Users of Augmentative and Alternative Communication (AAC) may write letter-by-letter via an interface that uses a character language model. However, most state-of-the-art large pretrained language models predict subword tokens of variable…

Computation and Language · Computer Science 2025-10-03 Dylan Gaines , Keith Vertanen

Globalization and multiculturalism continue to produce increasingly diverse speech varieties. Yet current spoken dialogue systems frequently fail on under-represented dialects and accents, often misidentifying the input language and causing…

Machine Learning · Computer Science 2026-05-25 Miria Feng , William Tan , Mert Pilanci

Large Language Models (LLMs) demonstrate impressive ability in handling reasoning tasks. However, unlike humans who can instinctively adapt their problem-solving strategies to the complexity of task, most LLM-based methods adopt a…

Computation and Language · Computer Science 2024-12-24 Jianpeng Zhou , Wanjun Zhong , Yanlin Wang , Jiahai Wang

Large language models (LLMs) have shown remarkable capabilities in code generation. However, the effects of hallucinations (e.g., output noise) make it particularly challenging for LLMs to generate high-quality code in one pass. In this…

Software Engineering · Computer Science 2024-09-11 Shuai Wang , Liang Ding , Li Shen , Yong Luo , Zheng He , Wei Yu , Dacheng Tao

Diffusion large language models (dLLMs) represent a significant advancement in text generation, offering parallel token decoding capabilities. However, existing open-source implementations suffer from quality-speed trade-offs that impede…

Computation and Language · Computer Science 2025-10-09 Fanheng Kong , Jingyuan Zhang , Yahui Liu , Zirui Wu , Yu Tian , Victoria W. , Guorui Zhou

Understanding why a large language model (LLM) is uncertain about the response is important for their reliable deployment. Current approaches, which either provide a single uncertainty score or rely on the classical aleatoric-epistemic…

Artificial Intelligence · Computer Science 2026-03-27 Aditya Taparia , Ransalu Senanayake , Kowshik Thopalli , Vivek Narayanaswamy

Despite the astonishing performance of recent Large Vision-Language Models (LVLMs), these models often generate inaccurate responses. To address this issue, previous studies have focused on mitigating hallucinations by employing contrastive…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Sihyeon Kim , Boryeong Cho , Sangmin Bae , Sumyeong Ahn , Se-Young Yun

Path planning is a fundamental scientific problem in robotics and autonomous navigation, requiring the derivation of efficient routes from starting to destination points while avoiding obstacles. Traditional algorithms like A* and its…

Robotics · Computer Science 2025-04-10 Silin Meng , Yiwei Wang , Cheng-Fu Yang , Nanyun Peng , Kai-Wei Chang

When binary linear error-correcting codes are used over symmetric channels, a relaxed version of the maximum likelihood decoding problem can be stated as a linear program (LP). This LP decoder can be used to decode error-correcting codes at…

Information Theory · Computer Science 2013-09-24 Siddharth Barman , Xishuo Liu , Stark C. Draper , Benjamin Recht

While Chain-of-Thought (CoT) prompting empowers Large Language Models (LLMs), ensuring reasoning reliability remains an open challenge. Contrary to the prevailing cascading failure hypothesis which posits that early errors are most…

Computation and Language · Computer Science 2026-03-04 Dongxu Zhang , Yujun Wu , Yiding Sun , Jinnan Yang , Ning Yang , Jihua Zhu , Miao Xin , Baoliang Tian