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For Multivariate Time Series Forecasting (MTSF), recent deep learning applications show that univariate models frequently outperform multivariate ones. To address the difficiency in multivariate models, we introduce a method to Construct…

机器学习 · 统计学 2026-02-06 Jiecheng Lu , Xu Han , Yan Sun , Shihao Yang

Accurate time series forecasting is a highly valuable endeavour with applications across many industries. Despite recent deep learning advancements, increased model complexity, and larger model sizes, many state-of-the-art models often…

Training large-scale deep neural networks is a long, time-consuming operation, often requiring many GPUs to accelerate. In large models, the time spent loading data takes a significant portion of model training time. As GPU servers are…

计算机视觉与模式识别 · 计算机科学 2020-05-06 Mahdi Zolnouri , Xinlin Li , Vahid Partovi Nia

Fast convergent, accurate, computationally efficient, parallelizable, and robust matrix inversion and parameter estimation algorithms are required in many time-critical and accuracy-critical applications such as system identification,…

最优化与控制 · 数学 2020-08-27 Alexander Stotsky

Background: The adoption of chatbots into software development tasks has become increasingly popular among practitioners, driven by the advantages of cost reduction and acceleration of the software development process. Chatbots understand…

软件工程 · 计算机科学 2024-07-17 Ahmad Abdellatif , Khaled Badran , Diego Elias Costa , Emad Shihab

Test-time augmentation -- the aggregation of predictions across transformed examples of test inputs -- is an established technique to improve the performance of image classification models. Importantly, TTA can be used to improve model…

机器学习 · 计算机科学 2022-06-29 Helen Lu , Divya Shanmugam , Harini Suresh , John Guttag

Predicting click-through rates (CTR) is a fundamental task for Web applications, where a key issue is to devise effective models for feature interactions. Current methodologies predominantly concentrate on modeling feature interactions…

信息检索 · 计算机科学 2024-04-08 Yushen Li , Jinpeng Wang , Tao Dai , Jieming Zhu , Jun Yuan , Rui Zhang , Shu-Tao Xia

Since the launch of ChatGPT at the end of 2022, generative dialogue models represented by ChatGPT have quickly become essential tools in daily life. As user expectations increase, enhancing the capability of generative dialogue models to…

计算与语言 · 计算机科学 2024-09-02 Yuetong Zhao , Hongyu Cao , Xianyu Zhao , Zhijian Ou

Recent advances in text-to-speech (TTS) led to the development of flexible multi-speaker end-to-end TTS systems. We extend state-of-the-art attention-based automatic speech recognition (ASR) systems with synthetic audio generated by a TTS…

计算与语言 · 计算机科学 2020-02-18 Nick Rossenbach , Albert Zeyer , Ralf Schlüter , Hermann Ney

Given the growing trend of many organizations integrating Retrieval Augmented Generation (RAG) into their operations, we assess RAG on domain-specific data and test state-of-the-art models across various optimization techniques. We…

人工智能 · 计算机科学 2024-11-14 Anum Afzal , Juraj Vladika , Gentrit Fazlija , Andrei Staradubets , Florian Matthes

It has been demonstrated that the amount of data is crucial in data-driven machine learning methods. Data is always valuable, but in some tasks, it is almost like gold. This occurs in engineering areas where data is scarce or very expensive…

人工智能 · 计算机科学 2023-12-12 David Solis-Martin , Juan Galan-Paez , Joaquin Borrego-Diaz

Despite advances in reinforcement learning (RL)-based video reasoning with large language models (LLMs), data collection and fine-tuning remain significant challenges. These methods often rely on large-scale supervised fine-tuning (SFT)…

计算机视觉与模式识别 · 计算机科学 2025-10-27 Ziyang Wang , Jaehong Yoon , Shoubin Yu , Md Mohaiminul Islam , Gedas Bertasius , Mohit Bansal

The integration of machine learning and deep learning has transformed data analytics in biomechanics, enabled by extensive wearable sensor data. However, the field faces challenges such as limited large-scale datasets and high data…

机器学习 · 计算机科学 2025-08-26 Christina Halmich , Lucas Höschler , Christoph Schranz , Christian Borgelt

Time-series forecasting is a critical task across many domains, from engineering to economics, where accurate predictions drive strategic decisions. However, applying advanced deep learning models in challenging, volatile domains like…

机器学习 · 计算机科学 2026-02-23 Andrzej Podobiński , Jarosław A. Chudziak

Recent work has shown that data augmentation has the potential to significantly improve the generalization of deep learning models. Recently, automated augmentation strategies have led to state-of-the-art results in image classification and…

计算机视觉与模式识别 · 计算机科学 2019-11-15 Ekin D. Cubuk , Barret Zoph , Jonathon Shlens , Quoc V. Le

Interactive line chart visualizations greatly enhance the effective exploration of large time series. Although downsampling has emerged as a well-established approach to enable efficient interactive visualization of large datasets, it is…

信号处理 · 电气工程与系统科学 2023-07-12 Jeroen Van Der Donckt , Jonas Van Der Donckt , Sofie Van Hoecke

While many advances in time series models focus exclusively on numerical data, research on multimodal time series, particularly those involving contextual textual information, remains in its infancy. With recent progress in large language…

机器学习 · 计算机科学 2026-03-10 Zihao Li , Xiao Lin , Zhining Liu , Jiaru Zou , Ziwei Wu , Lecheng Zheng , Dongqi Fu , Yada Zhu , Hendrik Hamann , Hanghang Tong , Jingrui He

Data augmentation is a key technique for addressing the challenge of limited datasets, which have become a major component in the training procedures of image processing. Techniques such as geometric transformations and color space…

计算机视觉与模式识别 · 计算机科学 2024-05-08 Tanaz Ghahremani , Mohammad Hoseyni , Mohammad Javad Ahmadi , Pouria Mehrabi , Amirhossein Nikoofard

The high costs of annotating large datasets suggests a need for effectively training CNNs with limited data, and data augmentation is a promising direction. We study foundational augmentation techniques, including Mixed Sample Data…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Swarna Kamlam Ravindran , Carlo Tomasi

Reinforcement learning (RL) has emerged as a promising strategy for finetuning small language models (SLMs) to solve targeted tasks such as math and coding. However, RL algorithms tend to be resource-intensive, taking a significant amount…

机器学习 · 计算机科学 2025-10-07 Lianghuan Huang , Sagnik Anupam , Insup Lee , Shuo Li , Osbert Bastani