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The key success of existing video super-resolution (VSR) methods stems mainly from exploring spatial and temporal information, which is usually achieved by a recurrent propagation module with an alignment module. However, inaccurate…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Hao Li , Xiang Chen , Jiangxin Dong , Jinhui Tang , Jinshan Pan

Vision-Language-Action (VLA) models have demonstrated significant potential in the field of embodied intelligence, enabling agents to follow human instructions to complete complex tasks in physical environments. Existing embodied agents are…

机器人学 · 计算机科学 2025-05-27 Junyang Shu , Zhiwei Lin , Yongtao Wang

To address the problem of training on small datasets for action recognition tasks, most prior works are either based on a large number of training samples or require pre-trained models transferred from other large datasets to tackle…

计算机视觉与模式识别 · 计算机科学 2020-08-11 Haoyu Chen , Zitong Yu , Xin Liu , Wei Peng , Yoon Lee , Guoying Zhao

Modern machine learning tasks often involve massive datasets and models, necessitating distributed optimization algorithms with reduced communication overhead. Communication compression, where clients transmit compressed updates to a…

最优化与控制 · 数学 2025-04-01 Yuan Gao , Anton Rodomanov , Jeremy Rack , Sebastian U. Stich

Large language models (LLMs) based on Transformer Decoders have become the preferred choice for conversational generative AI. Despite the overall superiority of the Decoder architecture, the gradually increasing Key-Value (KV) cache during…

计算与语言 · 计算机科学 2025-07-16 Luohe Shi , Zuchao Li , Lefei Zhang , Guoming Liu , Baoyuan Qi , Hai Zhao

Endowing nonlinear systems with safe behavior is increasingly important in modern control. This task is particularly challenging for real-life control systems that must operate safely in dynamically changing environments. This paper…

系统与控制 · 电气工程与系统科学 2022-12-06 Tamas G. Molnar , Adam K. Kiss , Aaron D. Ames , Gábor Orosz

Click-Through Rate prediction (CTR) is a crucial task in recommender systems, and it gained considerable attention in the past few years. The primary purpose of recent research emphasizes obtaining meaningful and powerful representations…

信息检索 · 计算机科学 2022-10-26 Shereen Elsayed , Lars Schmidt-Thieme

Conversion rate (CVR) prediction models play a vital role in recommendation and advertising systems. Recent research on multi-scenario recommendation shows that learning a unified model to serve multiple scenarios is effective for improving…

信息检索 · 计算机科学 2026-03-24 Wenzhuo Cheng , Ke Ding , Xin Dong , Yong He , Liang Zhang , Linjian Mo

Dwell time (DT) is a critical post-click metric for evaluating user preference in recommender systems, complementing the traditional click-through rate (CTR). Although multi-task learning is widely adopted to jointly optimize DT and CTR, we…

信息检索 · 计算机科学 2025-08-25 Huishi Luo , Fuzhen Zhuang , Yongchun Zhu , Yiqing Wu , Bo Kang , Ruobing Xie , Feng Xia , Deqing Wang , Jin Dong

Click-Through Rate (CTR) prediction has long been dominated by discriminative paradigms that optimize local decision boundaries within candidate-specific subspaces. However, these models often fail to capture the global joint distribution…

信息检索 · 计算机科学 2026-04-15 Chen Gao , Zixin Zhao , Lv Shao , Tong Liu

The Knowledge Tracing (KT) task plays a crucial role in personalized learning, and its purpose is to predict student responses based on their historical practice behavior sequence. However, the KT task suffers from data sparsity, which…

机器学习 · 计算机科学 2023-09-06 Moyu Zhang , Xinning Zhu , Chunhong Zhang , Feng Pan , Wenchen Qian , Hui Zhao

In recent years, dual-target Cross-Domain Recommendation (CDR) has been proposed to capture comprehensive user preferences in order to ultimately enhance the recommendation accuracy in both data-richer and data-sparser domains…

信息检索 · 计算机科学 2025-05-23 Jiajie Zhu , Yan Wang , Feng Zhu , Zhu Sun

Error feedback (EF), also known as error compensation, is an immensely popular convergence stabilization mechanism in the context of distributed training of supervised machine learning models enhanced by the use of contractive communication…

机器学习 · 计算机科学 2021-06-10 Peter Richtárik , Igor Sokolov , Ilyas Fatkhullin

Rich user behavior information is of great importance for capturing and understanding user interest in click-through rate (CTR) prediction. To improve the richness, collecting long-term behaviors becomes a typical approach in academy and…

信息检索 · 计算机科学 2022-04-27 Xiaochen Li , Rui Zhong , Jian Liang , Xialong Liu , Yu Zhang

The pre-ranking stage plays a pivotal role in large-scale recommender systems but faces an intrinsic trade-off between model expressiveness and computational efficiency. Owing to the massive candidate pool and strict latency constraints,…

信息检索 · 计算机科学 2025-10-29 Yutian Xiao , Meng Yuan , Fuzhen Zhuang , Wei Chen , Shukuan Wang , Shanqi Liu , Chao Feng , Wenhui Yu , Xiang Li , Lantao Hu , Han Li , Zhao Zhang

E-commerce app users exhibit behaviors that are inherently logically consistent. A series of multi-scenario user behaviors interconnect to form the scene-level all-domain user moveline, which ultimately reveals the user's true intention.…

信息检索 · 计算机科学 2026-04-14 Chen Gao , Zixin Zhao , Lv Shao , Tong Liu

Dynamic discrete choice (DDC) models have found widespread application in marketing. However, estimating these becomes challenging in "big data" settings with high-dimensional state-action spaces. To address this challenge, this paper…

计量经济学 · 经济学 2026-01-06 Ahmed Khwaja , Sonal Srivastava

The label scarcity problem is the main challenge that hinders the wide application of deep learning systems in automatic cardiovascular diseases (CVDs) detection using electrocardiography (ECG). Tuning pre-trained models alleviates this…

机器学习 · 计算机科学 2024-11-18 Rushuang Zhou , Lei Clifton , Zijun Liu , Kannie W. Y. Chan , David A. Clifton , Yuan-Ting Zhang , Yining Dong

Cross-Validation (CV), and out-of-sample performance-estimation protocols in general, are often employed both for (a) selecting the optimal combination of algorithms and values of hyper-parameters (called a configuration) for producing the…

机器学习 · 计算机科学 2017-08-28 Ioannis Tsamardinos , Elissavet Greasidou , Michalis Tsagris , Giorgos Borboudakis

Diffusion models (DMs) excel in image generation but suffer from slow inference and training-inference discrepancies. Although gradient-based solvers for DMs accelerate denoising inference, they often lack theoretical foundations in…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Shigui Li , Wei Chen , Delu Zeng
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