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Showing 81-100 of 10,000 results
  1. Forecasting implied volatilities of currency options with machine learning techniques and econometrics models

    Develo** an effective modeling framework to minimize foreign exchange (FX) risk is of vital importance for hedgers and traders in FX markets. In...

    Asbjørn Olsen, Gard Djupskås, ... Morten Risstad in International Journal of Data Science and Analytics
    Article Open access 25 March 2024
  2. Enhanced particle swarm optimization-based hyperparameter optimized stacked autoencoder for credit card fraud detection

    In recent years, several fraud attempts have been made in various sectors including finance, banking and insurance. In fact, credit card fraud refers...

    Article 21 March 2024
  3. A probabilistic spatio-temporal neural network to forecast COVID-19 counts

    Geo-referenced and temporal data are becoming more and more ubiquitous in a wide range of fields such as medicine and economics. Particularly in the...

    Federico Ravenda, Mirko Cesarini, ... Antonietta Mira in International Journal of Data Science and Analytics
    Article Open access 21 March 2024
  4. Symmetric contrastive learning for robust fault detection in time-series traffic sensor data

    Traffic sensor data are prone to malfunctions caused by various factors such as manufacturing defects, harsh environmental conditions, improper...

    Yongcan Huang, Jidong J. Yang in International Journal of Data Science and Analytics
    Article 21 March 2024
  5. SeNSe: embedding alignment via semantic anchors selection

    Word embeddings have proven extremely useful across many NLP applications in recent years. Several key linguistic tasks, such as machine translation...

    Lorenzo Malandri, Fabio Mercorio, ... Filippo Pallucchini in International Journal of Data Science and Analytics
    Article 20 March 2024
  6. An innovative method for accurate NBA player performance forecasting and line-up optimization in daily fantasy sports

    This study presents a novel approach for predicting NBA players' performance in Fantasy Points (FP) by develo** individualized models for 203...

    George Papageorgiou, Vangelis Sarlis, Christos Tjortjis in International Journal of Data Science and Analytics
    Article Open access 19 March 2024
  7. A novel hybrid support vector machine with firebug swarm optimization

    In the light of the Industry 4.0 revolution, we find ourselves contending with datasets characterized by a multitude of features, thereby introducing...

    Shakiba Khademolqorani, Elham Zafarani in International Journal of Data Science and Analytics
    Article 18 March 2024
  8. Data sharing and exchanging with incentive and optimization: a survey

    As the landscape of big data evolves, the paradigm of data sharing and exchanging has gained paramount importance. Nonetheless, the transition to...

    Liyuan Liu , Meng Han in Discover Data
    Article Open access 18 March 2024
  9. A late fusion framework using whale optimization technique and attention-BiLSTM for fake news detection

    Recently, fake news detection has garnered interest among the research community. This kind of misconception causes severe political polarization and...

    K. Varalakshmi, P. M. Ashok Kumar in International Journal of Data Science and Analytics
    Article 18 March 2024
  10. Narratives from GPT-derived networks of news and a link to financial markets dislocations

    We introduce a novel framework to study the dynamics of news narratives, by leveraging GPT3.5 advanced text analysis capabilities and graph theory....

    Deborah Miori, Constantin Petrov in International Journal of Data Science and Analytics
    Article Open access 17 March 2024
  11. A novel prediction model to evaluate the dynamic interrelationship between gold and crude oil

    Global events, such as the pandemic and European conflicts, have caused significant inflation and high volatility in gold and crude oil prices. This...

    Article Open access 16 March 2024
  12. Canadian agriculture technology adoption

    Objectives

    Statistics Canada administers the Agricultural Census every 5 years, and this paper presents unsuppressed data from the 2016 and 2021...

    Tahmid Huq Easher, Rickard Enstroem, ... Tomas Nilsson in Discover Data
    Article Open access 12 March 2024
  13. Improving recommendation diversity without retraining from scratch

    Diverse recommendations strongly correlate with increased sales diversity, perceived ease of use, and general user satisfaction with recommendation...

    Joseph Noel, Christopher Monterola, Daniel Stanley Tan in International Journal of Data Science and Analytics
    Article 10 March 2024
  14. Genetic algorithm-based hybrid deep learning model for explainable Alzheimer’s disease prediction using temporal multimodal cognitive data

    Alzheimer’s disease (AD) is an irreversible neurodegenerative disease characterized by progressive neuronal deterioration. Early detection of AD is...

    Hager Saleh, Nora ElRashidy, ... Shaker El-Sappagh in International Journal of Data Science and Analytics
    Article 08 March 2024
  15. Simultaneously feature selection and parameters optimization by teaching–learning and genetic algorithms for diagnosis of breast cancer

    Currently, development of early and accurate breast cancer (BC) prediction models using computer-aided tools has proven to be beneficial, which in...

    Article 08 March 2024
  16. An open science automatic workflow for multi-model species distribution estimation

    Integrated Environmental Assessment systems and ecosystem models study the links between anthropogenic and climatic pressures on marine ecosystems...

    Gianpaolo Coro, Lorenzo Sana, Pasquale Bove in International Journal of Data Science and Analytics
    Article Open access 07 March 2024
  17. Efficient three-way SVM for three-class classification problems

    Many classification problems in the real world are inherently multi-class. However, most of the classifiers are binary. Solving K -class...

    Vivek Prakash Srivastava, Kapil Gupta in International Journal of Data Science and Analytics
    Article 18 February 2024
  18. Robust machine learning models: linear and nonlinear

    Artificial Intelligence relies on the application of machine learning models which, while reaching high predictive accuracy, lack explainability and...

    Paolo Giudici, Emanuela Raffinetti, Marco Riani in International Journal of Data Science and Analytics
    Article Open access 16 February 2024
  19. A new three-parameter lifetime distribution for environmental data analysis: the Harris extended modified Lindley distribution

    Statistical modeling data is crucial for identifying patterns, correlations, and trends that can be used to make informed decisions and put...

    Lishamol Tomy, G. Veena, Christophe Chesneau in International Journal of Data Science and Analytics
    Article 12 February 2024
  20. A deep learning approach for transportation mode identification using a transformation of GPS trajectory data features into an image representation

    Global positioning system data play a crucial role in comprehending an individual’s life due to its ability to provide geographic positions and...

    Ricardo Ribeiro, Alina Trifan, António J. R. Neves in International Journal of Data Science and Analytics
    Article Open access 10 February 2024
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