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Automated optimization modeling via Large Language Models (LLMs) has emerged as a promising approach to assist complex human decision-making. While post-training has become a pivotal technique to enhance LLMs' capabilities in this domain,…

Machine Learning · Computer Science 2026-02-13 Weiting Liu , Han Wu , Yufei Kuang , Xiongwei Han , Tao Zhong , Jianfeng Feng , Wenlian Lu

Multimodal learning often grapples with the challenge of low-quality data, which predominantly manifests as two facets: modality imbalance and noisy corruption. While these issues are often studied in isolation, we argue that they share a…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Xun Jiang , Yufan Gu , Disen Hu , Yuqing Hou , Yazhou Yao , Fumin Shen , Heng Tao Shen , Xing Xu

Alignment in artificial intelligence pursues the consistency between model responses and human preferences as well as values. In practice, the multifaceted nature of human preferences inadvertently introduces what is known as the "alignment…

Computation and Language · Computer Science 2024-10-14 Yiju Guo , Ganqu Cui , Lifan Yuan , Ning Ding , Zexu Sun , Bowen Sun , Huimin Chen , Ruobing Xie , Jie Zhou , Yankai Lin , Zhiyuan Liu , Maosong Sun

Traditional multimodal learners find unified representations for tasks like visual question answering, but rely heavily on paired datasets. However, an overlooked yet potentially powerful question is: can one leverage auxiliary unpaired…

Machine Learning · Computer Science 2025-10-10 Sharut Gupta , Shobhita Sundaram , Chenyu Wang , Stefanie Jegelka , Phillip Isola

The success of deep convolutional neural networks is partially attributed to the massive amount of annotated training data. However, in practice, medical data annotations are usually expensive and time-consuming to be obtained. Considering…

Image and Video Processing · Electrical Eng. & Systems 2020-10-06 Kang Li , Lequan Yu , Shujun Wang , Pheng-Ann Heng

A crucial component of machine learning algorithms is minimizing loss functions with less computational cost and less oscillations. While adaptive learning rate-based optimizers have been widely used for real-world tasks, they do not…

Machine Learning · Computer Science 2026-05-29 Sakshi Kumari , Shyam Kumar M , Sushmitha P

Multimodal sentiment analysis (MSA) is a fundamental complex research problem due to the heterogeneity gap between different modalities and the ambiguity of human emotional expression. Although there have been many successful attempts to…

Machine Learning · Computer Science 2022-07-05 Jiahao Zheng , Sen Zhang , Xiaoping Wang , Zhigang Zeng

Advancements in prompt tuning of vision-language models have underscored their potential in enhancing open-world visual concept comprehension. However, prior works only primarily focus on single-mode (only one prompt for each modality) and…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Dongsheng Wang , Miaoge Li , Xinyang Liu , MingSheng Xu , Bo Chen , Hanwang Zhang

Recent advances in multimodal question answering have primarily focused on combining heterogeneous modalities or fine-tuning multimodal large language models. While these approaches have shown strong performance, they often rely on a…

Computation and Language · Computer Science 2026-04-22 Krishna Singh Rajput , Tejas Anvekar , Chitta Baral , Vivek Gupta

In this work, we develop an adaptive, multivariate partitioning algorithm for solving mixed-integer nonlinear programs (MINLP) with multi-linear terms to global optimality. This iterative algorithm primarily exploits the advantages of…

Optimization and Control · Mathematics 2019-02-05 Harsha Nagarajan , Mowen Lu , Site Wang , Russell Bent , Kaarthik Sundar

Recent research has demonstrated the effectiveness of large language models (LLMs) in solving combinatorial optimization problems (COPs) by representing tasks and instances in natural language. However, purely language-based approaches…

Artificial Intelligence · Computer Science 2026-03-31 Shaodi Feng , Zhuoyi Lin , Yaoxin Wu , Haiyan Yin , Yan Jin , Senthilnath Jayavelu , Xun Xu

Different modalities hold considerable gaps in optimization trajectories, including speeds and paths, which lead to modality laziness and modality clash when jointly training multimodal models, resulting in insufficient and imbalanced…

Machine Learning · Computer Science 2025-06-17 Xiaoyu Ma , Hao Chen , Yongjian Deng

Multimodal sentiment analysis (MSA) aims to understand human sentiment through multimodal data. Most MSA efforts are based on the assumption of modality completeness. However, in real-world applications, some practical factors cause…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Mingcheng Li , Dingkang Yang , Xiao Zhao , Shuaibing Wang , Yan Wang , Kun Yang , Mingyang Sun , Dongliang Kou , Ziyun Qian , Lihua Zhang

Navigating dense and dynamic environments poses a significant challenge for autonomous driving systems, owing to the intricate nature of multimodal interaction, wherein the actions of various traffic participants and the autonomous vehicle…

Robotics · Computer Science 2024-08-29 Tong Li , Lu Zhang , Sikang Liu , Shaojie Shen

In both artificial and biological systems, the centered kernel alignment (CKA) has become a widely used tool for quantifying neural representation similarity. While current CKA estimators typically correct for the effects of finite stimuli…

Neurons and Cognition · Quantitative Biology 2025-02-26 Chanwoo Chun , Abdulkadir Canatar , SueYeon Chung , Daniel D. Lee

Multi-agent neural implicit mapping allows robots to collaboratively capture and reconstruct complex environments with high fidelity. However, existing approaches often rely on synchronous communication, which is impractical in real-world…

Robotics · Computer Science 2025-04-29 Hongrui Zhao , Boris Ivanovic , Negar Mehr

Aligning signals from different modalities is an important step in vision-language representation learning as it affects the performance of later stages such as cross-modality fusion. Since image and text typically reside in different…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Jiali Duan , Liqun Chen , Son Tran , Jinyu Yang , Yi Xu , Belinda Zeng , Trishul Chilimbi

Foundation Models (FMs) have shown remarkable capabilities in various natural language tasks. However, their ability to accurately capture stakeholder requirements remains a significant challenge for using FMs for software development. This…

Software Engineering · Computer Science 2025-05-29 Keheliya Gallaba , Ali Arabat , Dayi Lin , Mohammed Sayagh , Ahmed E. Hassan

Much recent machine learning research has been directed towards leveraging shared statistics among labels, instances and data views, commonly referred to as multi-label, multi-instance and multi-view learning. The underlying premises are…

Machine Learning · Statistics 2017-03-16 Trang Pham , Truyen Tran , Svetha Venkatesh

A widely used paradigm to improve the generalization performance of high-capacity neural models is through the addition of auxiliary unsupervised tasks during supervised training. Tasks such as similarity matching and input reconstruction…

Machine Learning · Computer Science 2022-01-19 Shivin Srivastava , Kenji Kawaguchi , Vaibhav Rajan