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Large Multimodal Models (LMMs), or Vision-Language Models (VLMs), have shown impressive capabilities in a wide range of visual tasks. However, they often struggle with fine-grained visual reasoning, failing to identify domain-specific…

计算机视觉与模式识别 · 计算机科学 2025-02-26 Yucheng Shi , Quanzheng Li , Jin Sun , Xiang Li , Ninghao Liu

Human beings solve complex problems through critical thinking, where reasoning and evaluation are intertwined to converge toward correct solutions. However, most existing large language models (LLMs) treat the reasoning and verification as…

人工智能 · 计算机科学 2026-03-19 Jiaqi Xu , Cuiling Lan , Xuejin Chen , Yan Lu

Adaptive multimodal reasoning has emerged as a promising frontier in Vision-Language Models (VLMs), aiming to dynamically modulate between tool-augmented visual reasoning and text reasoning to enhance both effectiveness and efficiency.…

计算机视觉与模式识别 · 计算机科学 2026-04-09 Xintong Zhang , Xiaowen Zhang , Jingrong Wu , Zhi Gao , Shilin Yan , Zhenxin Diao , Kunpeng Gao , Xuanyan Chen , Yuwei Wu , Yunde Jia , Qing Li

Variational autoencoders (VAEs) have been used extensively to discover low-dimensional latent factors governing neural activity and animal behavior. However, without careful model selection, the uncovered latent factors may reflect noise in…

机器学习 · 计算机科学 2023-12-13 Julia Huiming Wang , Dexter Tsin , Tatiana Engel

Recent generative models have achieved remarkable progress in image editing. However, existing systems and benchmarks remain largely text-guided. In contrast, human communication is inherently multimodal, where visual instructions such as…

计算机视觉与模式识别 · 计算机科学 2026-05-22 Huanyu Zhang , Xuehai Bai , Chengzu Li , Chen Liang , Haochen Tian , Haodong Li , Ruichuan An , Yifan Zhang , Anna Korhonen , Zhang Zhang , Liang Wang , Tieniu Tan

Recently, an audio-visual speech generative model based on variational autoencoder (VAE) has been proposed, which is combined with a nonnegative matrix factorization (NMF) model for noise variance to perform unsupervised speech enhancement.…

音频与语音处理 · 电气工程与系统科学 2019-11-12 Mostafa Sadeghi , Xavier Alameda-Pineda

Generative modelling of multi-user datasets has become prominent in science and engineering. Generating a data point for a given user requires employing user information, and conventional generative models, including variational…

机器学习 · 计算机科学 2026-05-19 Kutay Bölat , Simon Tindemans

Variational autoencoder (VAE) is a deep generative model for unsupervised learning, allowing to encode observations into the meaningful latent space. VAE is prone to catastrophic forgetting when tasks arrive sequentially, and only the data…

机器学习 · 计算机科学 2021-11-04 Anna Kuzina , Evgenii Egorov , Evgeny Burnaev

Multimodal large language models (MLLMs) have demonstrated remarkable capabilities in vision-language answering tasks. Despite their strengths, these models often encounter challenges in achieving complex reasoning tasks such as…

人工智能 · 计算机科学 2025-11-11 Jinhao Chen , Zhen Yang , Jianxin Shi , Tianyu Wo , Jie Tang

Language models (LMs) as conversational assistants recently became popular tools that help people accomplish a variety of tasks. These typically result from adapting LMs pretrained on general domain text sequences through further…

计算与语言 · 计算机科学 2024-05-16 Milan Gritta , Gerasimos Lampouras , Ignacio Iacobacci

Matrix factorization (MF) has been widely applied to collaborative filtering in recommendation systems. Its Bayesian variants can derive posterior distributions of user and item embeddings, and are more robust to sparse ratings. However,…

机器学习 · 计算机科学 2022-08-23 Yuan Jin , He Zhao , Ming Liu , Ye Zhu , Lan Du , Longxiang Gao , He Zhang , Yunfeng Li

High-stakes applications require AI-generated models to be interpretable. Current algorithms for the synthesis of potentially interpretable models rely on objectives or regularization terms that represent interpretability only coarsely…

机器学习 · 计算机科学 2021-04-28 Marco Virgolin , Andrea De Lorenzo , Francesca Randone , Eric Medvet , Mattias Wahde

Sparse Mixture of Experts (SMoE) has become the key to unlocking unparalleled scalability in deep learning. SMoE has the potential to exponentially increase parameter count while maintaining the efficiency of the model by only activating a…

机器学习 · 计算机科学 2024-10-21 Rachel S. Y. Teo , Tan M. Nguyen

Bayesian methods are critical for quantifying the behaviors of systems. They capture our uncertainty about a system's behavior using probability distributions and update this understanding as new information becomes available. Probabilistic…

统计计算 · 统计学 2018-04-25 Thomas A. Catanach , James L. Beck

Variational autoencoders (VAEs) have ushered in a new era of unsupervised learning methods for complex distributions. Although these techniques are elegant in their approach, they are typically not useful for representation learning. In…

机器学习 · 计算机科学 2020-01-10 Ali Lotfi Rezaabad , Sriram Vishwanath

Multimodal recommender systems (MRS) integrate heterogeneous user and item data, such as text, images, and structured information, to enhance recommendation performance. The emergence of large language models (LLMs) introduces new…

信息检索 · 计算机科学 2025-05-16 Alejo Lopez-Avila , Jinhua Du

Interactions among multiple time series of positive random variables are crucial in diverse financial applications, from spillover effects to volatility interdependence. A popular model in this setting is the vector Multiplicative Error…

统计计算 · 统计学 2021-07-12 Nicola Donelli , Stefano Peluso , Antonietta Mira

The recommender systems have long been investigated in the literature. Recently, users' implicit feedback like `click' or `browse' are considered to be able to enhance the recommendation performance. Therefore, a number of attempts have…

信息检索 · 计算机科学 2019-04-09 Jingbin Zhong , Xiaofeng Zhang

Model Driven Engineering (MDE) has been widely applied in software development, aiming to facilitate the coordination among various stakeholders. Such a methodology allows for a more efficient and effective development process.…

软件工程 · 计算机科学 2022-03-14 Juri Di Rocco , Davide Di Ruscio , Claudio Di Sipio , Phuong T. Nguyen , Alfonso Pierantonio

A fundamental technique of recommender systems involves modeling user preferences, where queries and items are widely used as symbolic representations of user interests. Queries delineate user needs at an abstract level, providing a…

信息检索 · 计算机科学 2024-12-17 Jiarui Jin , Xianyu Chen , Weinan Zhang , Yong Yu , Jun Wang