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12 Results Found

  • Article
  • Open Access
2 Citations
4,405 Views
20 Pages

3 September 2020

Evaluation of document classification is straightforward if complete information on the documents’ true categories exists. In this case, the rank of each document can be accurately determined and evaluated. However, in an unsupervised setting,...

  • Article
  • Open Access
1 Citations
2,542 Views
9 Pages

14 January 2025

Background/Objectives: Aging affects the face and eyebrow areas, with various resultant procedures for lifting the eyebrows. Recently, thread lifting using absorbable threads has become increasingly popular, with the advantages of a faster recovery a...

  • Proceeding Paper
  • Open Access
1 Citations
1,323 Views
12 Pages

Winglet Design for Class I Mini UAV—Aerodynamic and Performance Optimization

  • Eleftherios Nikolaou,
  • Eleftherios Karatzas,
  • Spyridon Kilimtzidis and
  • Vassilis Kostopoulos

The aerodynamic performance of an aircraft can be enhanced by incorporating wingtip devices, or winglets, which primarily reduce lift-induced drag created by wingtip vortices. This study outlines an optimization procedure for implementing winglets on...

  • Article
  • Open Access
5 Citations
5,099 Views
37 Pages

Sustainable Construction of Earth Dams: Use of Heterogeneous Material from the Dam Site

  • Rubén Galindo,
  • José Sánchez-Martín and
  • Claudio Olalla Marañón

27 November 2020

The volumes of soil required for the construction of an earth dam are usually of importance, so that, consequently, a key aspect to mitigate the negative impacts of dam construction, both from an economic and environmental point of view, is the use o...

  • Article
  • Open Access
741 Views
14 Pages

11 November 2025

Background/Objectives: Youth-onset type 2 diabetes (Y-T2D) incidence and severity rose during the COVID-19 pandemic, particularly during periods of widespread public health restrictions—including, but not limited to, virtual learning, stay-at-h...

  • Article
  • Open Access
9 Citations
2,872 Views
15 Pages

Predicting the Young’s Modulus of Rock Material Based on Petrographic and Rock Index Tests Using Boosting and Bagging Intelligence Techniques

  • Long Tsang,
  • Biao He,
  • Ahmad Safuan A Rashid,
  • Abduladheem Turki Jalil and
  • Mohanad Muayad Sabri Sabri

12 October 2022

Rock deformation is considered one of the essential rock properties used in designing and constructing rock-based structures, such as tunnels and slopes. This study applied two well-established ensemble techniques, including boosting and bagging, to...

  • Article
  • Open Access
425 Views
24 Pages

8 January 2026

This study introduces a fully uncertainty-aware forecasting framework for NBA games that integrates team-level performance metrics, rolling-form indicators, and spatial shot-chart embeddings. The predictive backbone is a recurrent neural network equi...

  • Article
  • Open Access
4 Citations
6,227 Views
27 Pages

A Reliable Update of the Ainley and Mathieson Profile and Secondary Correlations

  • Yumin Liu,
  • Patrick Hendrick,
  • Zhengping Zou and
  • Frank Buysschaert

Empirical correlations are still fundamental in the modern design paradigm of axial turbines. Among these, the prominent Ainley and Mathieson correlation (Ainley D. and Mathieson G., 1951, “A Method of Performance Estimation for Axial-Flow Turb...

  • Article
  • Open Access
1,930 Views
12 Pages

22 February 2023

Topological spaces can be induced by various algebraic ordering relations such as, linear, partial and the inclusion-ordering of open sets forming chains and chain complexes. In general, the classifications of covering spaces are made by using fundam...

  • Article
  • Open Access
21 Citations
5,420 Views
21 Pages

Effects of PM10 and Weather on Respiratory and Cardiovascular Diseases in the Ciuc Basin (Romanian Carpathians)

  • Katalin Bodor,
  • Miruna Mihaela Micheu,
  • Ágnes Keresztesi,
  • Marius-Victor Birsan,
  • Ion-Andrei Nita,
  • Zsolt Bodor,
  • Sándor Petres,
  • Attila Korodi and
  • Róbert Szép

23 February 2021

This study presents the PM10 concentration, respiratory and cardiovascular disease hospital admissions evolution in the Ciuc basin for a period of 9 years (2008–2016), taking into consideration different meteorological conditions: boundary layer, lif...

  • Article
  • Open Access
1,265 Views
14 Pages

Highlighting Free-Recovery and Work-Generating Shape Memory Effects at 80r-PET Thermoformed Cups

  • Ștefan-Dumitru Sava,
  • Bogdan Pricop,
  • Mihai Popa,
  • Nicoleta-Monica Lohan,
  • Elena Matcovschi,
  • Nicanor Cimpoeșu,
  • Radu-Ioachim Comăneci and
  • Leandru-Gheorghe Bujoreanu

23 December 2024

The paper starts by describing the manufacturing process of cups thermoformed from extruded foils of 80% recycled PET (80r-PET), which comprises heating, hot deep drawing and cooling. The 80r-PET foils were heated up to 120 °C, at heating rates o...

  • Article
  • Open Access
2,279 Views
14 Pages

The turbulent boundary layer (TBL) over the hull surface of a water vehicle significantly elevates the drag force on the water vehicle. In this regard, effectively controlling the TBL can lead to a drag reduction (DR) effect and therefore improve the...