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Predicting the completion time of business process instances would be a very helpful aid when managing processes under service level agreement constraints. The ability to know in advance the trend of running process instances would allow…

机器学习 · 计算机科学 2017-11-13 Nicolò Navarin , Beatrice Vincenzi , Mirko Polato , Alessandro Sperduti

Propose a deep learning driven multi factor investment model optimization method for risk control. By constructing a deep learning model based on Long Short Term Memory (LSTM) and combining it with a multi factor investment model, we…

计算金融 · 定量金融 2025-07-02 Ruisi Li , Xinhui Gu

Stock market price prediction is a significant interdisciplinary research domain that depends at the intersection of finance, statistics, and economics. Forecasting Accurately predicting stock prices has always been a focal point for…

人工智能 · 计算机科学 2026-01-19 Navin Chhibber , Sunil Khemka , Navneet Kumar Tyagi , Rohit Tewari , Bireswar Banerjee , Piyush Ranjan

Time series analysis is the process of building a model using statistical techniques to represent characteristics of time series data. Processing and forecasting huge time series data is a challenging task. This paper presents Approximation…

Forecasting financial time series is considered to be a difficult task due to the chaotic feature of the series. Statistical approaches have shown solid results in some specific problems such as predicting market direction and single-price…

统计金融 · 定量金融 2021-07-05 Angelo Garangau Menezes , Saulo Martiello Mastelini

Modern deep neural network (DNN) training jobs use complex and heterogeneous software/hardware stacks. The efficacy of software-level optimizations can vary significantly when used in different deployment configurations. It is onerous and…

分布式、并行与集群计算 · 计算机科学 2020-06-08 Hongyu Zhu , Amar Phanishayee , Gennady Pekhimenko

The stock price prediction task holds a significant role in the financial domain and has been studied for a long time. Recently, large language models (LLMs) have brought new ways to improve these predictions. While recent financial large…

统计金融 · 定量金融 2024-09-16 Shengkun Wang , Taoran Ji , Linhan Wang , Yanshen Sun , Shang-Ching Liu , Amit Kumar , Chang-Tien Lu

Short-term traffic forecasting based on deep learning methods, especially long short-term memory (LSTM) neural networks, has received much attention in recent years. However, the potential of deep learning methods in traffic forecasting has…

机器学习 · 计算机科学 2019-11-26 Zhiyong Cui , Ruimin Ke , Ziyuan Pu , Yinhai Wang

The goal of this paper is to test three classes of neural network (NN) architectures based on four-dimensional (4D) hypercomplex algebras for time series prediction. We evaluate different architectures, varying the input layers to include…

神经与进化计算 · 计算机科学 2024-02-14 Radosław Kycia , Agnieszka Niemczynowicz

This paper introduces a hybrid framework for portfolio optimization that fuses Long Short-Term Memory (LSTM) forecasting with a Proximal Policy Optimization (PPO) reinforcement learning strategy. The proposed system leverages the predictive…

机器学习 · 计算机科学 2025-11-25 Jun Kevin , Pujianto Yugopuspito

Our research presents a new approach for forecasting the synchronization of stock prices using machine learning and non-linear time-series analysis. To capture the complex non-linear relationships between stock prices, we utilize recurrence…

统计金融 · 定量金融 2024-09-12 Sanjay Sathish , Charu C Sharma

Multi-step prediction is considered of major significance for time series analysis in many real life problems. Existing methods mainly focus on one-step-ahead forecasting, since multiple step forecasting generally fails due to accumulation…

机器学习 · 计算机科学 2020-12-09 Bashar Alhnaity , Stefanos Kollias , Georgios Leontidis , Shouyong Jiang , Bert Schamp , Simon Pearson

We propose a hybrid meta-learning framework for forecasting and anomaly detection in nonlinear dynamical systems characterized by nonstationary and stochastic behavior. The approach integrates a physics-inspired simulator that captures…

机器学习 · 计算机科学 2025-06-18 Abdullah Burkan Bereketoglu

This paper presents MIS-LSTM, a hybrid framework that joins CNN encoders with an LSTM sequence model for sleep quality and stress prediction at the day level from multimodal lifelog data. Continuous sensor streams are first partitioned into…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Seongwan Park , Jieun Woo , Siheon Yang

Predictive model design for accurately predicting future stock prices has always been considered an interesting and challenging research problem. The task becomes complex due to the volatile and stochastic nature of the stock prices in the…

机器学习 · 计算机科学 2021-11-10 Jaydip Sen , Saikat Mondal , Sidra Mehtab

Financial markets are integral to a country's economic success, yet their complex nature raises challenging issues for predicting their behaviors. There is a growing demand for an integrated system that explores the vast and diverse data in…

统计金融 · 定量金融 2024-12-10 Ali Abrishami , Jafar Habibi , AmirAli Jarrahi , Dariush Amiri , MohammadAmin Fazli

The quest for accurate economic forecasting has traditionally been dominated by econometric models, which most of the times rely on the assumptions of linear relationships and stationarity in of the data. However, the complex and often…

机器学习 · 计算机科学 2025-02-28 Bogdan Oancea

Signal processing, communications, and control have traditionally relied on classical statistical modeling techniques. Such model-based methods utilize mathematical formulations that represent the underlying physics, prior information and…

信号处理 · 电气工程与系统科学 2022-09-13 Nir Shlezinger , Jay Whang , Yonina C. Eldar , Alexandros G. Dimakis

For any financial organization, computing accurate quarterly forecasts for various products is one of the most critical operations. As the granularity at which forecasts are needed increases, traditional statistical time series models may…

机器学习 · 计算机科学 2020-01-28 Allison Koenecke , Amita Gajewar

The stock market is a crucial component of the financial system, but predicting the movement of stock prices is challenging due to the dynamic and intricate relations arising from various aspects such as economic indicators, financial…

统计金融 · 定量金融 2024-02-13 Hao Qian , Hongting Zhou , Qian Zhao , Hao Chen , Hongxiang Yao , Jingwei Wang , Ziqi Liu , Fei Yu , Zhiqiang Zhang , Jun Zhou