21 documents found, page 1 of 3
The Feature Stores in Streamlining MLOps Workflows
Nunes, Carlos; Ashofteh, AfshinNunes, C., & Ashofteh, A. (2025). The Feature Stores in Streamlining MLOps Workflows. IT Professional, 27(4), 40-47. https://doi.org/10.1109/MITP.2025.3532129 --- This work was supported by national funds through FCT (Fundação para a Ciência e a Tecnologia), under the project - UIDB/04152/2020 (DOI: 10.54499/UIDB/04152/2020) - Centro de Investigação em Gestão de Informação (MagIC)/NOVA IMS).; This article studi...
Beyond Social Norms
Santos, Marta Almeida dos; Naranjo-Zolotov, Mijail; Long, Le Anh Nguyen; Acedo, Albert; Ashofteh, Afshin; Aparicio, ManuelaSantos, M. A. D., Naranjo-Zolotov, M., Long, L. A. N., Acedo, A., Ashofteh, A., & Aparicio, M. (2025). Beyond Social Norms: Exploring The Drivers of Youth's Political Participation Via Social Media. Emerging Science Journal, 9(2), 588-602. https://doi.org/10.28991/ESJ-2025-09-02-05 --- This work was supported by national funds through FCT (Fundação para a Ciência e Tecnologia), under the project UIDB/04152/2020...
A Review of Big Data and Machine Learning Operations in Official Statistics
Nunes, Carlos; Ashofteh, AfshinNunes, C. E. R., & Ashofteh, A. (2024). A Review of Big Data and Machine Learning Operations in Official Statistics: MLOps and Feature Store Adoption. In H. Shahriar, H. Ohsaki, M. Sharmin, D. Towey, AKM. J. A. Majumder, Y. Hori, J-J. Yang, M. Takemoto, N. Sakib, R. Banno, & S. I. Ahamed (Eds.), 2024 IEEE 48th Annual Computers, Software, and Applications Conference: COMPSAC 2024 (pp. 711-718). (Proceedings of t...
Population Trajectories Survey Methodology
Ashofteh, Afshin; Lopes, João; Campos, PedroAshofteh, A., Lopes, J., & Campos, P. (2024). Population Trajectories Survey Methodology: Improving Coverage Error by Clustering of Freguesias and Dwelling Segmentation using Census Data in Portugal. 211. Abstract from European Conference on Quality in Official Statistics, Lisboa, Portugal. https://www.q2024.pt/abstract/book-of-abstracts; Official statistics on living conditions and access to goods are crucial ...
Using population census data to assist in sampling of survey on origins and dis...
Lopes, João; Ashofteh, AfshinLopes, J., & Ashofteh, A. (2024). Using population census data to assist in sampling of survey on origins and discrimination. 37-38. Abstract from XXXI Jornadas de Classificação e Análise de Dados, Leiria, Portugal.; The survey ICOT was implemented to study the population diversity in Portugal. Given its specificities, its sampling procedure needed to efficiently target marginal populations. We propose a method...
Teaching Note—Data Science Training for Finance and Risk Analysis
Ashofteh, AfshinAshofteh, A. (2023). Teaching Note—Data Science Training for Finance and Risk Analysis: A Pedagogical Approach with Integrating Online Platforms. In C. P. Kitsos, T. A. Oliveira, F. Pierri, & M. Restaino (Eds.), Statistical Modelling and Risk Analysis: Selected contributions from ICRA9, Perugia, Italy, May 25-27, 2022 (Vol. 430, pp. 17-25). (Springer Proceedings in Mathematics & Statistics). Springer Nature. ht...
A Review on Official Survey Item Classification for Mixed-Mode Effects Adjustment
Ashofteh, Afshin; Campos, PedroAshofteh, A., & Campos, P. (2023). A Review on Official Survey Item Classification for Mixed-Mode Effects Adjustment. In P. Brito, J. G. Dias, B. Lausen, A. Montanari, & R. Nugent (Eds.), Classification and Data Science in the Digital Age (pp. 53-61). (Studies in Classification, Data Analysis, and Knowledge Organization). Springer, Cham. https://doi.org/10.1007/978-3-031-09034-9_7; The COVID-19 pandemic has had...
A Systematic Review on Robot-Advisors in Fintech
Martins, Márcia Neves; Ashofteh, AfshinMartins, M. N., & Ashofteh, A. (2023). A Systematic Review on Robot-Advisors in Fintech. In CAPSI 2023 Proceedings (pp. 160-185). Article 15 (Atas da Conferência da Associação Portuguesa de Sistemas de Informação). Associação Portuguesa de Sistemas de Informação. https://doi.org/10.18803/capsi.v23.160-185; Technology has been the main driver for the financial sector. Fintech tools emerged to support the provisi...
Big Data for Credit Risk Analysis
Ashofteh, AfshinAshofteh, A. (2023). Big Data for Credit Risk Analysis: Efficient Machine Learning Models Using PySpark. In J. Pilz, V. B. Melas, & A. Bathke (Eds.), Statistical Modeling and Simulation for Experimental Design and Machine Learning Applications: Selected Contributions from SimStat 2019 and Invited Papers (pp. 245-265). (Contributions to Statistics). Springer, Cham. https://doi.org/10.1007/978-3-031-40055-1_14; R...
A Review on the Impact of ESG on the Economy and Financial Risk
Seruca, Catarina; Gomes, Ana; Nascimento, Débora; Prata, Rui; Ashofteh, AfshinSeruca, C., Gomes, A., Nascimento, D., Prata, R., & Ashofteh, A. (2023). A Review on the Impact of ESG on the Economy and Financial Risk. 252-270. Paper presented at Economics of Natural Resources and the Environment 9th Conference, Volos, Greece.; This study employed Scopus, Web of Science, and Google Scholar databases to review the latest research articles on the influence of environmental, social, and govern...