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In this paper, we present Gamma-LSTM, an enhanced long short term memory (LSTM) unit, to enable learning of hierarchical representations through multiple stages of temporal abstractions. Gamma memory, a hierarchical memory unit, forms the…

机器学习 · 计算机科学 2019-10-29 Sneha Aenugu

We extend recurrent neural networks to include several flexible timescales for each dimension of their output, which mechanically improves their abilities to account for processes with long memory or with highly disparate time scales. We…

统计金融 · 定量金融 2023-08-21 Damien Challet , Vincent Ragel

This paper details the design and implementation of a system for predicting and interpolating object location coordinates. Our solution is based on processing inertial measurements and global positioning system data through a Long…

机器学习 · 计算机科学 2023-11-27 Petar Stojković , Predrag Tadić

Low-Rank Adaptation (LoRA) is one of the most widely used techniques for fine-tuning large language models (LLMs). By introducing a small number of trainable low-rank weight matrices, LoRA substantially reduces the number of parameters that…

机器学习 · 计算机科学 2025-07-15 Seokmin Ko

Automated detection of voice disorders with computational methods is a recent research area in the medical domain since it requires a rigorous endoscopy for the accurate diagnosis. Efficient screening methods are required for the diagnosis…

定量方法 · 定量生物学 2018-12-06 Vibhuti Gupta

A comparative analysis of deep learning models and traditional statistical methods for stock price prediction uses data from the Nigerian stock exchange. Historical data, including daily prices and trading volumes, are employed to implement…

统计金融 · 定量金融 2024-10-11 Opeyemi Sheu Alamu , Md Kamrul Siam

Financial trading is at the forefront of time-series analysis, and has grown hand-in-hand with it. The advent of electronic trading has allowed complex machine learning solutions to enter the field of financial trading. Financial markets…

机器学习 · 计算机科学 2020-10-23 Prakhar Ganesh , Puneet Rakheja

The growing prevalence of large language models (LLMs) and vision-language models (VLMs) has heightened the need for reliable techniques to determine whether a model has been fine-tuned from or is even identical to another. Existing…

机器学习 · 计算机科学 2025-09-30 Ruibo Chen , Sheng Zhang , Yihan Wu , Tong Zheng , Peihua Mai , Heng Huang

This paper demonstrates the potentials of the long short-term memory (LSTM) when applyingwith macroeconomic time series data sampled at different frequencies. We first present how theconventional LSTM model can be adapted to the time series…

计量经济学 · 经济学 2021-09-29 Sarun Kamolthip

An influential paper of Hsu et al. (ICLR'19) introduced the study of learning-augmented streaming algorithms in the context of frequency estimation. A fundamental problem in the streaming literature, the goal of frequency estimation is to…

机器学习 · 计算机科学 2025-03-04 Anders Aamand , Justin Y. Chen , Siddharth Gollapudi , Sandeep Silwal , Hao Wu

Inference-time alignment methods have gained significant attention for their efficiency and effectiveness in aligning large language models (LLMs) with human preferences. However, existing dominant approaches using reward-guided search…

计算与语言 · 计算机科学 2025-07-01 Bin Xie , Bingbing Xu , Yige Yuan , Shengmao Zhu , Huawei Shen

Recent studies emphasize that manually ensuring a consistent response style and maintaining high data quality in training sets can significantly improve the performance of fine-tuned Large Language Models (LLMs) while reducing the number of…

计算与语言 · 计算机科学 2025-06-03 Zhuang Li , Yuncheng Hua , Thuy-Trang Vu , Haolan Zhan , Lizhen Qu , Gholamreza Haffari

Large Language Models (LLMs) have shown improved generation performance through retrieval-augmented generation (RAG) following the retriever-reader paradigm, which supplements model inputs with externally retrieved knowledge. However, prior…

计算与语言 · 计算机科学 2025-11-14 Zhanghao Hu , Qinglin Zhu , Siya Qi , Yulan He , Hanqi Yan , Lin Gui

A linear multi-factor model is one of the most important tools in equity portfolio management. The linear multi-factor models are widely used because they can be easily interpreted. However, financial markets are not linear and their…

机器学习 · 计算机科学 2019-02-01 Kei Nakagawa , Tomoki Ito , Masaya Abe , Kiyoshi Izumi

Uncertainty in timing information pertaining to the start time of microphone recordings and sources' emission time pose significant challenges in various applications, such as joint microphones and sources localization. Traditional…

音频与语音处理 · 电气工程与系统科学 2023-07-25 Faxian Cao , Yongqiang Cheng , Adil Mehmood Khan , Zhijing Yang , S. M. Ahsan Kazmiand Yingxiu Chang

Based on a review of anecdotal beliefs, we explored patterns of track-sequencing within professional music albums. We found that songs with high levels of valence, energy and loudness are more likely to be positioned at the beginning of…

多媒体 · 计算机科学 2024-08-09 Pedro Neto , Martin Hartmann , Geoff Luck , Petri Toiviainen

Long Short-Term Memory (LSTM) units have the ability to memorise and use long-term dependencies between inputs to generate predictions on time series data. We introduce the concept of modifying the cell state (memory) of LSTMs using…

机器学习 · 计算机科学 2021-05-04 Vlad Velici , Adam Prügel-Bennett

Accurate short-term energy consumption forecasting is essential for efficient power grid management, resource allocation, and market stability. Traditional time-series models often fail to capture the complex, non-linear dependencies and…

计算机与社会 · 计算机科学 2026-01-27 Abhishek Maity , Viraj Tukarul

Large pre-trained language models (LPLM) have shown spectacular success when fine-tuned on downstream supervised tasks. Yet, it is known that their performance can drastically drop when there is a distribution shift between the data used…

计算与语言 · 计算机科学 2022-11-04 Kostadin Cvejoski , Ramsés J. Sánchez , César Ojeda

Time series forecasting uses historical data to predict future trends, leveraging the relationships between past observations and available features. In this paper, we propose RAFT, a retrieval-augmented time series forecasting method to…

机器学习 · 计算机科学 2025-05-08 Sungwon Han , Seungeon Lee , Meeyoung Cha , Sercan O Arik , Jinsung Yoon