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Optimal Trend Labeling in Financial Time Series

Tomislav Kovacevic, Andro Mercep, Stjepan Begusic, Zvonko Kostanjcar • IEEE Access (2023)

Predicting asset price trends is often posed as a classification problem, where trends are classified as positive or negative. Since asset price series are noisy and volatile, it is difficult to distinguish true trends from short-term fluct...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2023.3303283

Preparation of liposomal amiodarone and investigation of its cardiomyocyte-targeting ability in cardiac radiofrequency ablation rat model

Zhuge Y, Zheng ZF, Xie MQ, Li L et al. • International Journal of Nanomedicine (2016)

Ying Zhuge,1,* Zhi-Feng Zheng,1,* Mu-Qing Xie,2 Lin Li,2 Fang Wang,1 Feng Gao2,3 1Department of Cardiology, Shanghai First People’s Hospital of Nanjing Medical University, 2Department of Pharmaceutics, School of Pharmacy, 3Shanghai Ke...

DOAJ Open Access (DOAJ)

Experimental studies of the influence of the characteristics of the metal bond coat on the durability of the heat-protective coating of the turbine blades of a gas turbine engine

E. V. Samoilenko, V. G. Ugreninov, V. V. Shestakov • Научный вестник МГТУ ГА (2025)

The service life of gas turbine engine (GTE) turbine blades with thermal barrier coatings (TBC) depends on many factors, including the composition, structure and properties of the metal bond coating (MB). The positive effect of using TBC is...

DOAJ Open Access (DOAJ) DOI: 10.26467/2079-0619-2025-28-5-41-49

Agarose Gel Characterization for the Fabrication of Brain Tissue Phantoms for Infrared Multispectral Vision Systems

Efraín Albor-Ramírez, Miguel Reyes-Alberto, Luis M. Vidal-Flores, Enoch Gutierrez-Herrera et al. • Gels (2023)

Synthetic phantoms that recreate the characteristics of biological tissues are valuable tools for systematically studying and comprehending physiologies, pathologies, and biological processes related to tissues. The reproduction of mechanic...

DOAJ Open Access (DOAJ) DOI: 10.3390/gels9120944

Dynamic of upper body sweat distribution in young males wearing fully encapsulated chemical protective ensembles

Ying Chen, Chuankun Zhang, Lin Lu, Xiaohui Zheng et al. • Scientific Reports (2022)

Abstract Impermeability is a feature of fully encapsulated chemical protective ensembles (FCPE), which can affect people's sweat and affect their clothing's thermal-wet comfort. This study investigated the dynamics of upper-body sweat distr...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-022-04974-w

Tensioned flexible riser vibrations under wave excitation, an investigation on the scale effect

Yunli Feng, Sunwei Li, Daoyi Chen, Daoyi Chen • Frontiers in Marine Science (2024)

In order to study the scale effect in wave-structure interactions and the role that structure-related parameters (tension T or bending stiffness EI) plays, riser model tests under regular waves were conducted using the model with multiple g...

DOAJ Open Access (DOAJ) DOI: 10.3389/fmars.2024.1372676

Influence of Intellectual-cultural Orientation as Family Culture on Chinese College Students’ Subjective Well-being: A Moderation Model

Guangming Li PhD, Yuelin Wu BS, Haiying Wen MS, Fadi Zhang HS et al. • Inquiry: The Journal of Health Care Organization, Provision, and Financing (2022)

The well-known mediation-moderation model of subjective well-being has been criticized because it oversimplified the concept of culture. This study aimed to explore whether the family culture, as supplement of social culture, has significan...

DOAJ Open Access (DOAJ) DOI: 10.1177/00469580221103924

Online Course Tailoring Design through Project-Based Learning Syntax in Fashion Studies

Anggraeni Rahmasari, Robinson Situmorang, Cecep Kustandi • Journal of Science and Education (2024)

In learning Tailoring courses, understanding theory is a very important basis before students practice. Without a strong understanding of theory, tailoring practice will only be trial and error. Therefore, lecturers must ensure that each st...

DOAJ Open Access (DOAJ) DOI: 10.58905/jse.v5i1.430

Organic Waste Bio-Based Materials for 3D Extrusion

Carolina Vasco Costa Delgado, Gabriela Alexandra da Cunha Santos Forman, Rebecca Louise Antoinette Breuer • Convergências - Revista de Investigação e Ensino das Artes (2022)

This study explores bioplastics fabrication based on alginate polymer with added glycerine as a plasticizer, creating flexibility, and organic waste was used as a filler avoiding shrinkage. Exploratory, observational and experimental, Lit...

DOAJ Open Access (DOAJ) DOI: 10.53681/c1514225187514391s.29.133

Utilizing Waste Cotton/Pigeon Pea Stalk Fibers Composites for Enhanced Sound Absorption and Insulation in Automotive Interiors

Ariharasudhan Subramanian, Senthil Kumar Selvaraj, Rajaram Mani, Preethibha Chandrasekaran et al. • Journal of Natural Fibers (2024)

This study investigates the synthesis and characterization of composite materials, pigeon pea stem, and cotton fibers blended in different ratios such as 100/0, 70/30, 60/40, 50/50, 30/70, and 0/100. These composite materials were produced ...

DOAJ Open Access (DOAJ) DOI: 10.1080/15440478.2024.2333940

BFLP: blockchain-based federated learning protocol with verifiable contribution proof

Xi Li, Yibei Wang, Bin Wen • Journal of King Saud University: Computer and Information Sciences (2026)

Abstract Cross-institutional federated learning suffers from centralized trust fragility, poisoning attacks, and the lack of verifiable contribution-based incentives. This paper proposes BFLP, a blockchain-based federated learning protocol ...

DOAJ Open Access (DOAJ) DOI: 10.1007/s44443-026-01162-y

Development and validation of the Customer Engagement Orientation scale: Assessing firms’ customer engagement orientation and its impact on performance

Katarzyna Żyminkowska, Izabela Kowalik, Agnieszka Pleśniak • Entrepreneurial Business and Economics Review (2025)

Objective: The article aims to develop and validate a new scale – Customer Engagement Orientation (CENOR) – to measure a firm’s customer engagement orientation and to provide evidence of its impact on firm performance. Although customer eng...

DOAJ Open Access (DOAJ) DOI: 10.15678/EBER.2025.130302

Design of an improved model using federated learning and LSTM autoencoders for secure and transparent blockchain network transactions

R. Vijay Anand, G. Magesh, I. Alagiri, Madala Guru Brahmam et al. • Scientific Reports (2025)

Abstract With the advancement of this digital era and the emergence of DApps and Blockchain, secure, robust and transparent network transaction has become invaluable today. These traditional methods of securing the transactions and maintain...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-024-83564-4