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Originally designed to model text, topic modeling has become a powerful tool for uncovering latent structure in domains including medicine, finance, and vision. The goals for the model vary depending on the application: in some cases, the…

机器学习 · 统计学 2014-11-24 Finale Doshi-Velez , Byron Wallace , Ryan Adams

Inferring the unseen attribute-object composition is critical to make machines learn to decompose and compose complex concepts like people. Most existing methods are limited to the composition recognition of single-attribute-object, and can…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Hui Chen , Jingjing Jiang , Nanning Zheng

Convolutional sparse representations are a form of sparse representation with a dictionary that has a structure that is equivalent to convolution with a set of linear filters. While effective algorithms have recently been developed for the…

机器学习 · 计算机科学 2018-09-06 Cristina Garcia-Cardona , Brendt Wohlberg

A critical part of reading is being able to understand the temporal relationships between events described in a passage of text, even when those relationships are not explicitly stated. However, current machine reading comprehension…

计算与语言 · 计算机科学 2020-10-07 Qiang Ning , Hao Wu , Rujun Han , Nanyun Peng , Matt Gardner , Dan Roth

This work introduces a novel principle for disentanglement we call mechanism sparsity regularization, which applies when the latent factors of interest depend sparsely on observed auxiliary variables and/or past latent factors. We propose a…

Multi-label zero-shot learning extends conventional single-label zero-shot learning to a more realistic scenario that aims at recognizing multiple unseen labels of classes for each input sample. Existing works usually exploit attention…

计算机视觉与模式识别 · 计算机科学 2022-03-08 Ziming Liu , Song Guo , Jingcai Guo , Yuanyuan Xu , Fushuo Huo

Human action understanding is crucial for the advancement of multimodal systems. While recent developments, driven by powerful large language models (LLMs), aim to be general enough to cover a wide range of categories, they often overlook…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Yongle Huang , Haodong Chen , Zhenbang Xu , Zihan Jia , Haozhou Sun , Dian Shao

Integrated solutions for analytics over relational databases are of great practical importance as they avoid the costly repeated loop data scientists have to deal with on a daily basis: select features from data residing in relational…

数据库 · 计算机科学 2020-02-10 Mahmoud Abo Khamis , Hung Q. Ngo , XuanLong Nguyen , Dan Olteanu , Maximilian Schleich

Foundation language models obtain the instruction-following ability through supervised fine-tuning (SFT). Diversity and complexity are considered critical factors of a successful SFT dataset, while their definitions remain obscure and lack…

计算与语言 · 计算机科学 2023-08-16 Keming Lu , Hongyi Yuan , Zheng Yuan , Runji Lin , Junyang Lin , Chuanqi Tan , Chang Zhou , Jingren Zhou

Continual learning in natural language processing plays a crucial role in adapting to evolving data and preventing catastrophic forgetting. Despite significant progress, existing methods still face challenges, such as inefficient parameter…

机器学习 · 计算机科学 2026-02-04 Min Zeng , Xi Chen , Haiqin Yang , Yike Guo

Morphological analysis involves predicting the syntactic traits of a word (e.g. {POS: Noun, Case: Acc, Gender: Fem}). Previous work in morphological tagging improves performance for low-resource languages (LRLs) through cross-lingual…

计算与语言 · 计算机科学 2018-07-12 Chaitanya Malaviya , Matthew R. Gormley , Graham Neubig

Federated Unlearning (FU) is emerging as a powerful tool that enables the selective removal of client data to effectively address data contamination and meet strict privacy regulations in mobile edge computing (MEC) systems. Although FU has…

网络与互联网体系结构 · 计算机科学 2026-05-22 Zihao Ding , Beining Wu , Jun Huang

Despite recent advancements in deep learning, deep neural networks continue to suffer from performance degradation when applied to new data that differs from training data. Test-time adaptation (TTA) aims to address this challenge by…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Sanghun Jung , Jungsoo Lee , Nanhee Kim , Amirreza Shaban , Byron Boots , Jaegul Choo

Federated learning (FL) enables edge devices to collaboratively learn a model in a distributed fashion. Many existing researches have focused on improving communication efficiency of high-dimensional models and addressing bias caused by…

分布式、并行与集群计算 · 计算机科学 2022-04-06 Yuzhu Mao , Zihao Zhao , Meilin Yang , Le Liang , Yang Liu , Wenbo Ding , Tian Lan , Xiao-Ping Zhang

The large communication and computation overhead of federated learning (FL) is one of the main challenges facing its practical deployment over resource-constrained clients and systems. In this work, SpaFL: a communication-efficient FL…

机器学习 · 计算机科学 2024-12-11 Minsu Kim , Walid Saad , Merouane Debbah , Choong Seon Hong

Recent advancements in federated learning (FL) have greatly facilitated the development of decentralized collaborative applications, particularly in the domain of Artificial Intelligence of Things (AIoT). However, a critical aspect missing…

人工智能 · 计算机科学 2024-01-25 Ziyan An , Taylor T. Johnson , Meiyi Ma

Current state-of-the-art classification and detection algorithms rely on supervised training. In this work we study unsupervised feature learning in the context of temporally coherent video data. We focus on feature learning from unlabeled…

计算机视觉与模式识别 · 计算机科学 2015-04-17 Ross Goroshin , Joan Bruna , Jonathan Tompson , David Eigen , Yann LeCun

Factor analysis models explain dependence among observed variables by a smaller number of unobserved factors. A main challenge in confirmatory factor analysis is determining whether the factor loading matrix is identifiable from the…

统计理论 · 数学 2026-01-21 Nils Sturma , Miriam Kranzlmueller , Irem Portakal , Mathias Drton

Several approaches to graphically representing context-specific relations among jointly distributed categorical variables have been proposed, along with structure learning algorithms. While existing optimization-based methods have limited…

机器学习 · 统计学 2024-10-17 Felix Leopoldo Rios , Alex Markham , Liam Solus

Sparse matrices are an integral part of scientific simulations. As hardware evolves new sparse matrix storage formats are proposed aiming to exploit optimizations specific to the new hardware. In the era of heterogeneous computing, users…

机器学习 · 计算机科学 2023-03-10 Christodoulos Stylianou , Michele Weiland