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4477 articles
Proceedings Article

Research of Hydraulic Drive Control System in Hydraulic Elevator Based on P-Q Valve

Zhong Liu, Zhanwei Gao, Neng Yang, Yuanming Huo, Junjun Liu
Electro hydraulic proportional pressure-flow compound valve (P-Q valve) is a new type of energy saving combination valve. The velocity and output force of the actuator can be proportionally controlled by the P-Q valve in different working state. The author puts forward a new scheme that the hydraulic...

Transparency of Information Disclosure in the Management of State-Owned Enterprises

A H Nasution, B Nasution, O K Saidin, Sunarmi
A State-Owned Enterprise (SOE) is a company business entity in which all or most of its capital is owned by the state through direct participation from the separated state assets. The research method in the present study is normative juridical supported by library data. Violation of the principle of...

The Bogomolny Decomposition for Systems of Two Generalized Nonlinear Partial Differential Equations of the Second Order

Ł. Stȩpień, D. Sokalska, K. Sokalski
Pages: 25 - 34
Using a concept of strong necessary conditions we derive the Bogomolny decomposition for systems of two generalized elliptic and parabolic nonlinear partial differential equations (NPDE) of the second order. The generalization means that the equation coefficients depend on the field variables. According...

Empowerment and Objectification in Peruvian K-Pop Dance Cover Girl Group on YouTube

Ana V. Vega-Samamé, Lorena T. Espinoza-Robles, Oscar A. Aybar-Cabezudo
Girl groups, K-pop groups made up of Korean women, generate music videos that promote values associated with genre in their fandom. At the same time, the fandom generates dance covers from these video clips, imitating choreography dance of girl groups taking their aesthetics and visual approach as a...
Proceedings Article

Adaptive Artificial Intelligence Enabled Public Engagement Models for Future Autonomous Transportation Networks Smart Mobility and Predictive Traffic Optimization

M. Srinivasulu, K. H. Preethi, H. Pradeep, D. Prasad, S. R. Arun Raj, M. Mahima
The rapid evolution of autonomous transportation networks and smart mobility solutions has necessitated the integration of adaptive artificial intelligence (AI) models to enhance public engagement, optimize traffic flow, and ensure predictive traffic management. This research proposes a human-centric...

Challenges in Seniors Adopting Assistive Robots: A Systematic Review

Arni Ariani, Vasvi Kapadia, Amir Talaei-Khoei, Junhua Li, Pradeep K. Ray
Pages: 25 - 36
This study aimed to explore challenges underlying seniors’ adoption of assistive robots. A systematic literature review involved three stages: the first two stages focused on identifying and selecting relevant papers, followed by extracting and analyzing data from selected papers. Analysis revealed several...
Proceedings Article

An online weight-based clustering algorithm for faces selection

Qianmu Li, Dayi Huang
With the scale of the application of face recognition getting bigger and bigger, A thinking of selecting faces as a preprocessing has conducted on how to improve the system’s efficiency. After summarized and analyzed such a thinking, this paper has discussed the pros and cons of face data clustering...

Can We Predict Student Learning Performance from LMS Data? A Classification Approach

Ashish Dutt, Maizatul Akmar Ismail
The Learning Management System (LMS) is a common occurrence in most educational institutions. This system is a software application helping the educator in administration, facilitation, and tracking of course content to the learner. Educators have always been interested in understanding student interaction...
Research Article

Multiple splenic artery aneurysms in a patient with idiopathic thrombocytopenic purpura: A case report, brief literature review and discussion

David Busel, Alonso Yanez, Edgard Jimenez, Christopher K. Johansen
Pages: 24 - 26
Multiple splenic artery aneurysms in a patient with idiopathic thrombocytopenic purpura: A case report, brief literature review and discussion.
Research Article

Preliminary Efficacy of Tocilizumab Treatment in the Patients with COVID-19

Yu Chen, Xijing Zhang
Pages: 24 - 30
Background: Interleukin-6 (IL-6) was considered to be with the severity and mortality in COVID-19 patients, which implies a potential therapeutic target for treatment. We aimed to evaluate the safety and initial efficacy of Tocilizumab treatment for COVID-19 patients. Methods: In the retrospective study,...

The Impact of ESG on The Financial, Operational, and Value Performance of Materials Sector Company in Asia Pacific from 2019 to 2023

Lillianna Ricarda Mettasari, Dewi Hanggraeni
This study analyzes the impact of Environmental, Social, and Governance (ESG) factors on the financial, operational, and market value performance of materials sector companies in the Asia Pacific region during 2019-2023. Using a quantitative approach with panel data from 128 purposively selected firms,...
Proceedings Article

Simulation Study of Collaborative Inventory Management for Seasonal Products by Incorporating Newsvendor and Buyback Contract

Sahr Fillie, Niniet Indah Arvitrida, Nyoman I Pujawan
As supply chains become leaner, supply chain (SC) managers are often subjected to decrease inventory. Determining the appropriate inventory level for seasonal products without compromising the level of service provided to customers is crucial. This poses a challenge for supply chain managers to find...

On the k-Metric Dimension of a Barbell Graph and a t-fold Wheel Graph

Eri Setyawan, Tri Atmojo Kusmayadi
Let G be a connected and simple graph with the vertex set V(G) and the edge set E(G). The set S ⊆ V (G) is called a k-metric generator for G if and only if for every two pairs different vertices u,v ∈ V(G), there are at least k vertices w1,w2,..,wk ∈ S such that d(u,wi) ≠ d(v,wi) for every i ∈ {1, 2,...

Emotion Recognition from Speech: An Unsupervised Learning Approach

Stefano Rovetta, Zied Mnasri, Francesco Masulli, Alberto Cabri
Pages: 23 - 35
Speech processing is quickly shifting toward affective computing, that requires handling emotions and modeling expressive speech synthesis and recognition. The latter task has been so far achieved by supervised classifiers. This implies a prior labeling and data preprocessing, with a cost that increases...

Completely Prime Modules Over Path Algebras for Dynkin Quiver of Type An and Dn

Risnawita, Irawati, I. Muchtadi-Alamsyah
Let K be a field and Q be a quiver (directed graph), and let A = KQ be the path algebra that corresponds to Q with coefficients in K. An A-module M is a completely prime (c-prime) module in the sense that rm = 0 for one m ∈ M and r ∈ A implies that either r annihilates all M or m = 0. In this paper,...

Ecology as One of the Factors of Sustainable Development

A. I. Beksultanova, S. K. Shardan, N. N. Ivanskaya
Today, in the context of the COVID-19 pandemic, the sustainable development agenda has come into focus from a new angle. The issues of inequality, as well as the topics of transparency, effective interaction of various stakeholders to overcome common global challenges, on the other hand, are becoming...
Proceedings Article

Approximating Fixed Point of Weak Contraction Mapping Using General Picard-Mann Iteration Process

Ahmad Ansar, Syamsuddin Mas’ud
Fixed point theory plays a crucial role in solved real world problems in terms of nonlinear problems or differential equations for a suitable mapping. In numerous problems, it is difficult to find an exact fixed point for some contractions mapping. Hence, it is necessary to develop numerical algorithm...

Academic Text Development of Center of Excellence of Arts and Culture Universitas Negeri Surabaya

Trisakti Trisakti, Raden R. M. K. M. Anggoro, Warih Handayaningrum, Pratiwi Retnaningdyah, Muhamad R. Abidin
This research is designed to accelerate research performance achievement targets at Universitas Negeri Surabaya (UNESA) which are directed at academic excellence, commercialization, and implementation of research results, as well as economic and social impacts in society. This was achieved through strengthening...

The Effects of Project‑Based Learning Toward Students’ Motivation and Learning on Early Childhood Education at Chatya Manis Palembang

Welly Ardiansyah, Nurul Aryanti, Dian Heriani, Pratiwi Lestari, K. K. Achmad Leofaragusta
Maintaining student interest and enthusiasm motivated is a common challenge faced by teachers across all grade levels and ability ranges. This study focuses on PBL impacted on the motivation and academic achievement of early childhood education students at Chatya Manis in Palembang. PBL is an instructional...
Proceedings Article

A Revised PI Controller for High Current Density DC-DC Conversion Utilising Six Switches to Improve EV Charging Efficiency

Aparna Pradeep, V. M. Sreekala, Honey Baby, Aadhiya Majeed, T. K. Krishnapriya
Environmental considerations are driving up the popularity of electric vehicles (EVs) in cars. Since the rechargeable battery powers electric vehicles, having a dependable, economical, and effective battery charger is crucial to delivering the reliable output needed for the particular EV’s battery. The...
Proceedings Article

Screening of Bangladesh Tea (Camellia sinensis (L.) Kuntze) Genotypes for Drought Tolerance

M. I. Hossain, M. Ashrafuzzaman, M. A. Hossain, M. M. Rahman, M. S. A. Fakir, A. K. M. G. Sarwar, M. R. Arefin
Drought stress is a major abiotic factor limiting tea (Camellia sinensis (L.) Kuntze) productivity worldwide, particularly in Bangladesh, where climatic variability is increasing. This study aimed to screen a diverse collection of tea genotypes for drought tolerance under nursery and field conditions...
Proceedings Article

DYPSOKM: A Dynamic Union Of PSO And K-Means, A Better Cluster

Qin Ke, Liusheng Huang, Hongli Xu
As one of the most famous clustering algorithms, K-means is simple and effective but easily falls into local optimal solution. Aimed at this flaw, many methods including PSO had been applied to optimize K-means. As a typical swarm intelligence optimization algorithm, PSO(particle swarm optimization)...
Proceedings Article

Rapid Solidification Characteristics of Highly Undercooled Liquid Ni-Cu-Mo-Ge Quaternary Alloy under Electromagnetic Levitation Condition

Chang Jian, Wang Haipeng, Wei Bingbo
The dendritic growth characteristics of undercooled liquid Ni-5%Cu-5%Mo-5%Ge quaternary alloy were investigated by electromagnetic levitation method. The measured dendritic growth velocity of -Ni phase increases with undercooling according to a power law relation, which attains a value of 28 m/s at the...
Proceedings Article

Changes in natural torsional frequency of horizontally-curved bridge by reinforcement

N. Kunla, B. Puangkird
Horizontally curved steel I-girder bridge (HCSIB) has low torsional resistance hence has a high risk of breakage when it vibrates. This study investigated the changes in the natural torsional frequency of an HCSIB when it is reinforced with different types of bracing members. Three-dimensional finite...
Proceedings Article

Effectiveness of Plyometric and Resistive Run Training Program on Motor Fitness Components

Bimalkumar K. Joshi
For the purpose of this study 80 male students among 150 populations were selected randomly from Innovative Gujarati medium school, Rajkot city. Their age was ranging between 13 to 16 years and verified with school record. Total 80 subjects were divided randomly in three experimental groups A, B, C and...

Axial Period and Criticism of Eurocentrism in the Philosophy of K. Jaspers

Ludmila E. Kryshtop
The article concerns the Axial Period conception of Karl Jaspers. The author states that this conception had a great influence on further development of European philosophy to even greater pluralization and played a great role in the fight with Eurocentrism in different fields – in philosophy as well...

School Profiling in Indonesia Based on Scholastic Ability Using Cluster Analysis

Rebecca Ester M. Sihotang, Leonardus Reinaldy Christianto, Aditya Wisnugraha Sugiyarto
Evaluation of Education is an essential part of improving the quality of Education. This aims to classify the top 1000 schools participating in the 2021 UTBK in the Scholastic Potential Test. Using K-Means cluster analysis, this study involves four parameters to classify these schools into six main clusters....

SWAT-GA-Based Optimization of Best Management Practices for Hydrological Enhancement in the Meenachil River Basin

B. S. Lekha, K. Smitha Mohan
The Meenachil river basin faces significant challenges due to rainfall, leading to issues such as soil erosion and flooding. Effective management of runoff is essential for improving watershed health. The main focus of this research is to evaluate and optimize BMPs for Meenachil basin using SWAT and...
Proceedings Article

Stress Level Classification Using Facial Images

J. Adlene Anusha, B. Vinoth Kumar, V. Aishwarya, K. Naveena, Shatakshi Vats, M. Pravaagini, Varun Bhardwaj
Mental stress majorly influences the development of various illnesses, like heart attack and stroke. Additionally, it is one of the elements that might lead to the onset of psychiatric conditions like bipolar disorder, schizophrenia, anxiety, and depression. Thus, quantification of stress is important...
Proceedings Article

Distinguishing Number of the Generalized Theta Graph

Andi Pujo Rahadi, Edy Tri Baskoro, Suhadi Wido Saputro
A generalized theta graph is a graph constructed from two distinct vertices by joining them with l (>=3) internally disjoint paths of lengths greater than one. The distinguishing number D(G) of a graph G is the least integer d such that G has a vertex labelling with d labels that is preserved only...
Proceedings Article

A New Image Retrieval Algorithm Based on Sparse Coding

R.X. Wang, G.H. Peng, H.C. Zheng
The Bag-of-visual-words (BOVW) model discards image spatial information, and the computing cost is expensive on spatial pyramid matching(SPM) model. Due to sparse coding approach exhibit super performance in information retrieval, hence, we propose a new sparse coding image retrieval algorithm. Using...
Proceedings Article

Frequency Determination of Beams Coupled by a Double Spring-mass System Using Transfer Matrix Method of Linear Multibody Systems

Abbas Laith K., Zhou Qinbo, Rui Xiaoting
The analysis of natural vibration characteristics has become one of the important steps of the manufacture and dynamic design in different industries. The feasibility of using the transfer matrix method of linear multibody systems (MSTMM) to compute the free vibration characteristics of a system composed...
Proceedings Article

The Study of Self-Cleaning Properties of TiO2 Coated on Cotton Fabrics

Dina Maharani, D K Maharani, M M S Basukiwardoyo, S T Alawiyah, Rusmini Rusmini
This research study about self cleaning activity of TiO2 coated on cotton fabric. TiO2 nanoparticles is known as good semiconductor which have photocatalytic properties. Cotton fabric was coated by TiO2 to produce self cleaning textiles. Coating of TiO2 nanoparticles on cotton fabrics was carried using...
Research Article

Real-world Accuracy of Transthoracic Echocardiography in Diagnosing Bicuspid Aortic Valve Morphology: A Single Center UK Experience

Oliver James Harrison, Abdul Badran, Amer Harky, Daniel Muller, Benoy N. Shah, Sunil K. Ohri
Pages: 21 - 26
Objectives: The aim of this study was to compare the diagnostic accuracy of Transthoracic Echocardiography (TTE) in assessing Bicuspid Aortic Valve (BAV) morphology. Methods: Case notes of 408 patients (>18 years old) undergoing elective Aortic Valve (AV) surgery over a 2-year period were retrospectively...

Economic Impact of COVID-19: A Historical Trail

J. H. Vagif, K. N. Akif, M. K. Vagif
In the article, the author focused on the global technology forum: The Covid-19 pandemic and quarantine will cost the world dearly: the corona crisis has already begun and is predicted to be the most devastating crisis of the century. The economic downturn will inevitably affect all countries in the...

On the dynamics of a class of rational Kolmogorov systems

Rachid Boukoucha, Ahmed Bendjeddou
Pages: 21 - 27
In this paper we are intersted in studying the existence of a First integral and the non-existence of limit cycles of rational Kolmogorov systems of the form {x′=x(P(x,y)+R(x,y)S(x,y)),y′=y(Q(x,y)+R(x,y)S(x,y)), where P (x, y) , Q (x, y) , R (x, y) , S (x, y) are homogeneous polynomials of degree...

The Effect of Corporate Governance on Firm Performance in the Manufacturing Sector in Indonesia and Singapore

Graciela Gunawan, Liliana Inggrit Wijaya, Endang Ernawati
His study aims to analyze the effect of board independence, board size, foreign ownership, institutional ownership, and gender diversity on board with control variable firm size, firm age, and leverage on firm performance measured by Tobin’s Q and ROA in manufacturing sector companies listed in Indonesia...
Proceedings Article

Comparison of the Normalization Method of Data in Classifying Brain Tumors with the k-NN Algorithm

Rinci Kembang Hapsari, Abdullah Harits Salim, Budanis Dwi Meilani, Tutuk Indriyani, Aery Rachman
One way to examine patients with brain tumors is the radiological examination, including Magnetic Resonance Image (MRI) with contrast. The classification process is needed to differentiate MRI images of people with brain tumors from those without brain tumors. The classification was based on MRI image...
Proceedings Article

Green Grape Seed Extract-Mediated Synthesis of CuO Nanoparticles: Characterization and Enhanced Antibacterial Activity

V. Senthilkumar, K. K. Ilavenil, A. Kasthuri, P. Pandian
Green grape seed extract was used to create copper oxide (CuO) nanoparticles as an environmentally acceptable stabilising and reducing agent. When copper sulphate pentahydrate was reduced with sodium hydroxide (NaOH), the colour changed from blue to greenish-black, indicating that the pH had been corrected...

Non-coordinate case of graded differential algebra with ternary differential

Nadezda Bazunova
Pages: 21 - 26
In this article, we generalize a construction of graded q-differential algebra with ternary differential satisfying the property d3 = 0 and q-Leibniz rule on the non-coordinate case, that is on the case where the differentials of generators of underlying algebra do not coincide with generators of bimodule...

Analysis of (r,Q) and (s,S) Spare Parts Ordering Strategy under Maximum Inventory Constraints

Ou Qi, Lei Zhang, Jiuchao Li
Aiming at the limited maximum inventory in actual storage, the advantages and disadvantages of (R, q) and (s, s) spare parts ordering strategies are analyzed. Through the storage cost modeling, the optimal cost parameters of the two strategies are determined. Under the condition of cost optimal parameter...
Proceedings Article

Application of Organic Carbon Sources in Preparing a Core-shell Structure

M. Zhou, H. Lin, L.Z. Qin, H. Hong, Q. Li
To synthesize a core-shell structure for preparing nano-sized WC powder, four kinds of organics were adopted as carbon sources and their carbonization characteristics were investigated. The results showed that organic type severely affected the structure and quality of the product. Using starch as carbon...
Proceedings Article

Transfer matrix method of linear multibody systems for free vibration analysis of beam carrying elastically mounted point masses

Laith K Abbas, Dongyang Chen, Guoping Wang, Xiaoting Rui
The analysis of natural vibration characteristics has become one of the important steps of the manufacture and dynamic design in different industries. An efficient approach called transfer matrix method of linear multibody systems (MSTMM) is proposed to determine the free vibration of a cantilever beam...
Proceedings Article

The Clusterization of Geo-Tagged Data for Finding City Sights with Use of a Modification of k-MXT Algorithm

Anastasia Stepanova, Sergei Mironov, Eugene Korobov, Sergei Sidorov
The paper considers the task of detection of the most attractive for tourists city sights using the database with geo-tagged data of photographs.We form a graph on the basis of the geo-tagged spot coordinates and rewrite the problem as the graph clusterization task. In our work we use two clustering...
Proceedings Article

Alzheimer’s disease detection using deep neural network in densenet 169

K. Ashwini, K. Valarmathi, B. Vanipriya, M. Devi
Globally, Dementia is most frequently caused by Alzheimer’s disease (AD). From range in severity, it steadily gets worse, making it challenging for the individual to complete any work without assistance. Due to populations growth and the frequency of diagnoses, it starts to surpass. Existing methods...

Characterization of Organic Solvent Tolerance Lipase from Compost Indigenous Bacteria

Nurhasanah, Aspita Laila, Heri Satria, Ni Luh G. R. Juliasih, Qonita Nurul Husna
Lipases are a group of hydrolase enzymes that play an important role in industry and biotechnology. In addition, lipase has the ability as a catalyst in ester hydrolysis, transesterifications, alcoholysis, and acydolysis reactions. This study aims to obtains the character of the tolerant lipase of organic...
Proceedings Article

Topology structures of the families of gray images

Wu N.
Let L be a subspace of Euclidean Space E1. USC(X,L) denote all regions below of upper semi-continuous maps from X to L and C(X,L) denote all regions below of continuous maps from X to L. For an infinite compact metric space X, USC(X,I) with Vietoris topology is homeomorphic to Hilbert cube Q and C(X,I)...

Study on Austenitizing Process in Hot Stamping of 2000 MPa Grade Ultra-High Strength Steel

S. Liu, Y. Feng, H. Q. Chen, X. Che, M. Cao, F. Yang
With the rapid development of the automobile industry and the increasing requirement of the environmental protection, ultra-high strength hot stamping steel is widely used in body parts of the car. In this paper, the precipitation changes of the second phase particles and CCT curves of 2000 MPa ultra-high...

Research on Classification of Railway Freight Customers Based on Customer Value Analysis

Yang Yi, Huang Lei
Customer segmentation can divide the existing customers of an enterprise into different customer groups according to certain standards, and the research on customer segmentation based on customer value has important theoretical and practical significance. Based on the huge customer data accumulated by...

Integrating Building Automation Systems to Enhance Energy Efficiency in Balinese Resorts in Indonesia

Ngakan Ketut Acwin Dwijendra, K. Desak Ayu Krystina Winastri, K. Dewa Ngakan Made Bagus Krishna
This study investigates the deployment of Building Automation Systems (BAS) in Balinese resorts in Indonesia, explicitly emphasizing their influence on energy efficiency, reduction of carbon footprint, and enhancement of comfort for inhabitants and guests. The study assesses the effects, magnitude of...