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Attention mechanism in sequence-to-sequence models is designed to model the alignments between acoustic features and output tokens in speech recognition. However, attention weights produced by models trained end to end do not always…

音频与语音处理 · 电气工程与系统科学 2022-04-27 Gene-Ping Yang , Hao Tang

With widespread adoption of electronic health records, there is an increased emphasis for predictive models that can effectively deal with clinical time-series data. Powered by Recurrent Neural Network (RNN) architectures with Long…

机器学习 · 统计学 2018-07-17 Huan Song , Deepta Rajan , Jayaraman J. Thiagarajan , Andreas Spanias

The proliferation of social media in communication and information dissemination has made it an ideal platform for spreading rumors. Automatically debunking rumors at their stage of diffusion is known as \textit{early rumor detection},…

计算与语言 · 计算机科学 2017-04-21 Tong Chen , Lin Wu , Xue Li , Jun Zhang , Hongzhi Yin , Yang Wang

Encoder-decoder models have become an effective approach for sequence learning tasks like machine translation, image captioning and speech recognition, but have yet to show competitive results for handwritten text recognition. To this end,…

计算机视觉与模式识别 · 计算机科学 2019-07-16 Johannes Michael , Roger Labahn , Tobias Grüning , Jochen Zöllner

A sequence-to-sequence model is a neural network module for mapping two sequences of different lengths. The sequence-to-sequence model has three core modules: encoder, decoder, and attention. Attention is the bridge that connects the…

计算与语言 · 计算机科学 2018-07-24 Andros Tjandra , Sakriani Sakti , Satoshi Nakamura

The availability of large amounts of time series data, paired with the performance of deep-learning algorithms on a broad class of problems, has recently led to significant interest in the use of sequence-to-sequence models for time series…

机器学习 · 计算机科学 2019-02-27 Vitaly Kuznetsov , Zelda Mariet

Time series forecasting has received a lot of attention, with recurrent neural networks (RNNs) being one of the widely used models due to their ability to handle sequential data. Previous studies on RNN time series forecasting, however,…

机器学习 · 计算机科学 2024-04-29 Christopher Salazar , Ashis G. Banerjee

Spiking neural networks (SNNs), inspired by the spiking behavior of biological neurons, provide a unique pathway for capturing the intricacies of temporal data. However, applying SNNs to time-series forecasting is challenging due to…

神经与进化计算 · 计算机科学 2024-05-30 Changze Lv , Yansen Wang , Dongqi Han , Xiaoqing Zheng , Xuanjing Huang , Dongsheng Li

The recent adoption of recurrent neural networks (RNNs) for session modeling has yielded substantial performance gains compared to previous approaches. In terms of context-aware session modeling, however, the existing RNN-based models are…

信息检索 · 计算机科学 2018-05-10 Younghun Song , Jae-Gil Lee

Time-series forecasting is one of the most active research topics in artificial intelligence. Applications in real-world time series should consider two factors for achieving reliable predictions: modeling dynamic dependencies among…

机器学习 · 计算机科学 2021-05-28 Gabriel Spadon , Shenda Hong , Bruno Brandoli , Stan Matwin , Jose F. Rodrigues-Jr , Jimeng Sun

Optimal decision-making in social settings is often based on forecasts from time series (TS) data. Recently, several approaches using deep neural networks (DNNs) such as recurrent neural networks (RNNs) have been introduced for TS…

机器学习 · 计算机科学 2020-11-17 Philippe Chatigny , Jean-Marc Patenaude , Shengrui Wang

Multivariate time series forecasting is an important machine learning problem across many domains, including predictions of solar plant energy output, electricity consumption, and traffic jam situation. Temporal data arise in these…

机器学习 · 计算机科学 2018-04-20 Guokun Lai , Wei-Cheng Chang , Yiming Yang , Hanxiao Liu

We introduce a neural network conformal prediction method for time series that enhances adaptivity in non-stationary environments. Our approach acts as a neural controller designed to achieve desired target coverage, leveraging auxiliary…

机器学习 · 计算机科学 2024-12-25 Ruipu Li , Alexander Rodríguez

In this paper, we propose a new short-term load forecasting (STLF) model based on contextually enhanced hybrid and hierarchical architecture combining exponential smoothing (ES) and a recurrent neural network (RNN). The model is composed of…

机器学习 · 计算机科学 2022-12-20 Slawek Smyl , Grzegorz Dudek , Paweł Pełka

Recurrent Neural Networks (RNNs) continue to show outstanding performance in sequence modeling tasks. However, training RNNs on long sequences often face challenges like slow inference, vanishing gradients and difficulty in capturing long…

人工智能 · 计算机科学 2018-02-06 Victor Campos , Brendan Jou , Xavier Giro-i-Nieto , Jordi Torres , Shih-Fu Chang

Short-term load forecasting (STLF) is a challenging problem due to the complex nature of the time series expressing multiple seasonality and varying variance. This paper proposes an extension of a hybrid forecasting model combining…

机器学习 · 计算机科学 2022-03-03 Slawek Smyl , Grzegorz Dudek , Paweł Pełka

A longstanding challenge for the Machine Learning community is the one of developing models that are capable of processing and learning from very long sequences of data. The outstanding results of Transformers-based networks (e.g., Large…

机器学习 · 计算机科学 2024-02-15 Matteo Tiezzi , Michele Casoni , Alessandro Betti , Tommaso Guidi , Marco Gori , Stefano Melacci

The problem of (point) forecasting $ \textit{univariate} $ time series is considered. Most approaches, ranging from traditional statistical methods to recent learning-based techniques with neural networks, directly operate on raw time…

机器学习 · 计算机科学 2021-07-21 Sebastian Zeng , Florian Graf , Christoph Hofer , Roland Kwitt

This paper presents a comprehensive study on stock price prediction, leveragingadvanced machine learning (ML) and deep learning (DL) techniques to improve financial forecasting accuracy. The research evaluates the performance of various…

统计金融 · 定量金融 2025-02-25 Daksh Dave , Gauransh Sawhney , Vikhyat Chauhan

We propose a simplified model of attention which is applicable to feed-forward neural networks and demonstrate that the resulting model can solve the synthetic "addition" and "multiplication" long-term memory problems for sequence lengths…

机器学习 · 计算机科学 2016-09-21 Colin Raffel , Daniel P. W. Ellis