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We explore in depth how categorical data can be processed with embeddings in the context of claim severity modeling. We develop several models that range in complexity from simple neural networks to state-of-the-art attention based…

应用统计 · 统计学 2021-04-09 Kevin Kuo , Ronald Richman

The transformer architecture has been widely applied to many machine learning tasks. A main bottleneck in the time to perform transformer computations is a task called attention computation. [Alman and Song, NeurIPS 2023] have shown that in…

机器学习 · 计算机科学 2025-05-20 Josh Alman , Zhao Song

Transformer-based deep learning models have achieved state-of-the-art performance across numerous language and vision tasks. While the self-attention mechanism, a core component of transformers, has proven capable of handling complex data…

机器学习 · 计算机科学 2025-08-05 Laziz Abdullaev , Tan M. Nguyen

Multivariate time series (MTS) classification is foundational to pervasive computing and financial analysis, yet existing multi-scale paradigms are often constrained by suboptimal representation fidelity. We identify two critical…

机器学习 · 计算机科学 2026-05-22 Fan Zhang , Yating Cui , Hua Wang

Accurate workload forecasting is critical for efficient resource management in cloud computing systems, enabling effective scheduling and autoscaling. Despite recent advances with transformer-based forecasting models, challenges remain due…

机器学习 · 计算机科学 2024-08-20 Shiyu Wang , Zhixuan Chu , Yinbo Sun , Yu Liu , Yuliang Guo , Yang Chen , Huiyang Jian , Lintao Ma , Xingyu Lu , Jun Zhou

The application of transformer-based models on time series forecasting (TSF) tasks has long been popular to study. However, many of these works fail to beat the simple linear residual model, and the theoretical understanding of this issue…

机器学习 · 计算机科学 2025-03-04 Yekun Ke , Yingyu Liang , Zhenmei Shi , Zhao Song , Chiwun Yang

Deep learning utilizing transformers has recently achieved a lot of success in many vital areas such as natural language processing, computer vision, anomaly detection, and recommendation systems, among many others. Among several merits of…

机器学习 · 计算机科学 2023-12-05 Lena Sasal , Tanujit Chakraborty , Abdenour Hadid

Neural networks using transformer-based architectures have recently demonstrated great power and flexibility in modeling sequences of many types. One of the core components of transformer networks is the attention layer, which allows…

机器学习 · 计算机科学 2019-07-16 Matthew Spellings

We propose a transformer architecture for time series forecasting with a focus on time series tokenisation and apply it to a real-world prediction problem from the pricing domain. Our architecture aims to learn effective representations at…

机器学习 · 计算机科学 2025-04-22 Egon Peršak , Miguel F. Anjos , Sebastian Lautz , Aleksandar Kolev

This paper is on video recognition using Transformers. Very recent attempts in this area have demonstrated promising results in terms of recognition accuracy, yet they have been also shown to induce, in many cases, significant computational…

计算机视觉与模式识别 · 计算机科学 2021-06-14 Adrian Bulat , Juan-Manuel Perez-Rua , Swathikiran Sudhakaran , Brais Martinez , Georgios Tzimiropoulos

Processing 3D data efficiently has always been a challenge. Spatial operations on large-scale point clouds, stored as sparse data, require extra cost. Attracted by the success of transformers, researchers are using multi-head attention for…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Mahdi Saleh , Yige Wang , Nassir Navab , Benjamin Busam , Federico Tombari

Transformers are mostly relying on softmax attention, which introduces quadratic complexity with respect to sequence length and remains a major bottleneck for efficient inference. Prior work on linear or hybrid attention typically replaces…

Transformers have been actively studied for time-series forecasting in recent years. While often showing promising results in various scenarios, traditional Transformers are not designed to fully exploit the characteristics of time-series…

机器学习 · 计算机科学 2022-06-22 Gerald Woo , Chenghao Liu , Doyen Sahoo , Akshat Kumar , Steven Hoi

We consider the problem of predicting edges in a graph from node attributes in an e-commerce setting. Specifically, given nodes labelled with search query text, we want to predict links to related queries that share products. Experiments…

机器学习 · 计算机科学 2020-06-15 Matthew Dippel , Adam Kiezun , Tanay Mehta , Ravi Sundaram , Srikanth Thirumalai , Akshar Varma

Transformers are a widespread and successful model architecture, particularly in Natural Language Processing (NLP) and Computer Vision (CV). The essential innovation of this architecture is the Attention Mechanism, which solves the problem…

机器学习 · 计算机科学 2024-11-25 Bernhard Bermeitinger , Tomas Hrycej , Massimo Pavone , Julianus Kath , Siegfried Handschuh

A variety of real-world applications rely on far future information to make decisions, thus calling for efficient and accurate long sequence multivariate time series forecasting. While recent attention-based forecasting models show strong…

机器学习 · 计算机科学 2022-05-02 Razvan-Gabriel Cirstea , Chenjuan Guo , Bin Yang , Tung Kieu , Xuanyi Dong , Shirui Pan

Time series forecasting has gained lots of attention recently; this is because many real-world phenomena can be modeled as time series. The massive volume of data and recent advancements in the processing power of the computers enable…

机器学习 · 计算机科学 2021-04-01 Manie Tadayon , Yumi Iwashita

Inflation is a major determinant for allocation decisions and its forecast is a fundamental aim of governments and central banks. However, forecasting inflation is not a trivial task, as its prediction relies on low frequency, highly…

计量经济学 · 经济学 2023-03-30 Maximilian Tschuchnig , Petra Tschuchnig , Cornelia Ferner , Michael Gadermayr

Time Series Forecasting (TSF) is used to predict the target variables at a future time point based on the learning from previous time points. To keep the problem tractable, learning methods use data from a fixed length window in the past as…

机器学习 · 计算机科学 2022-04-26 Jimeng Shi , Mahek Jain , Giri Narasimhan

Time-series forecasting plays an important role in many domains. Boosted by the advances in Deep Learning algorithms, it has for instance been used to predict wind power for eolic energy production, stock market fluctuations, or motor…

机器学习 · 计算机科学 2021-07-23 Luis P. Silvestrin , Leonardos Pantiskas , Mark Hoogendoorn