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1

Developing a product rating prediction model based on customer text feedback using machine learning algorithms

This study focuses on predicting product rating scores from customer text feedback. This task combines the challenges of natural language processing (NLP) with the class imbalance phenomenon commonly...

Author: Ha Dien Thi Hong

Keyword: Product rating prediction customer text feedback natural language processing (NLP) machine learning models model performance evaluation

2

A study on machine learning-based approaches for early detection of Parkinson’s disease

Parkinson’s disease (PD) is a progressive neurodegenerative disorder characterized by the gradual loss of dopaminergic neurons in the brain, leading to both motor and non-motor symptoms. This study...

Author: Huong Tran Thi

Keyword: Parkinson’s Disease Early Diagnosis Machine Learning XGBoost Random Forest Clinical Data Analysis

3

Machine learning-based methods for supporting fake news detection

In the context of rapidly disseminating online information, fake news has emerged as a serious threat to information security and public trust. Traditional detection methods based on content analysis...

Author: Anh Tran Thi Lan

Keyword: Fake news detection hypergraph neural networks machine learning graph-based models HGFND

4

Factors affecting the effectiveness of students’ competence in using tools and instruments for learning mathematics in general education: an exploratory factor analysis (EFA)

This study aims to identify the factors that influence students’ competence in using tools and means for learning mathematics in secondary schools. Survey data were collected from 252 mathematics...

Author: Hang Nguyen My, Mai Trần Thị Tuyết

Keyword: Tool usage skills exploratory factor analysis mathematics teachers

5

Improving acoustic modeling for Vietnamese speech recognition via noise modeling

Automatic speech recognition (ASR) for Vietnamese still suffers severe accuracy loss in everyday acoustic scenes crowded with overlapping speech, popular music, traffic, and office equipment. We...

Author: Nguyen Phuong Thu

Keyword: Vietnamese Speech Recognition Acoustic Modeling Noise Modeling Data Augmentation TDNN-LSTM

6

Conceptual metaphors of life, death, and time in Wisława Szymborska’s poetry

This article examines how Wisława Szymborska’s poetry utilizes conceptual metaphors to convey the complexities of life, death, and time through the lens of Lakoff and Johnson’s cognitive theory of...

Author: Xuan Thuong Hoang

Keyword: conceptual metaphor cognitive linguistics poetic metaphor

7

Effects of nitrogen and potassium rate on yield and quality of cucumber under sandy loam soil

Nitrogen (N) and potassium (K) are essential macronutrients for cucumbers. Supplying these nutrients in adequate and balanced amounts promotes healthy plant growth, resulting in high yields and...

Author: Nguyen Huu Hien, Phi Nguyen Dinh, Thanh Nguyen Cong

Keyword: Cumcumber nitrogen potassium quality yield

8

Study on effective mode area by Ge20Sb5Se75 suspended-core fiber filled with carbon disulfide

This paper presents a study on the effective mode area and effective refractive index of a suspended-core photonic crystal fiber based on a Ge20Sb5Se75 chalcogenide with CS2-filled air holes, with the...

Author: Lanh Chu Van

Keyword: Suspended-core photonic crystal fiber chalcogenide carbon disulfide effective mode area

9

Modeling and simulation of light focusing through an absorbing interface based on the Debye– Török–Fedorov–Nakajima framework

We develop a unified Debye–Török–Fedorov–Nakajima (DTFN) model for tight focusing across an absorbing interface, extending the Debye–Wolf/Török integrals to complex refractive indices by enforcing the...

Author: Do Trang Mai, Nguyen Quan The

Keyword: High-NA focusing absorbing interface complex refractive index Debye–Wolf integral Fedorov–Nakajima branch condition vectorial point-spread function stratified media biomedical optics

10

Dien Mau duke Hoang Cao Khai through the inscription at Dong Thai communal house, Ha Tinh province

Dong Thai is an ancient village located in Tung Anh Commune, Duc Tho District, Ha Tinh Province (now Duc Tho Commune, Ha Tinh Province). It is the only village in Ha Tinh Province recorded in...

Author: Nguyễn Lĩnh Tùng

Keyword: Dong Thai Phan Dinh Phung Hoang Cao Khai Dien Mau Duke (Quan cong).

Vinh University journal of science

Tạp chí khoa học Trường Đại học Vinh

ISSN: 1859 - 2228

Governing body: Vinh University

  • Address: 182 Le Duan - Vinh City - Nghe An province
  • Phone: (+84) 238.3855.452 - Fax: (+84) 238.3855.269
  • Email: vinhuni@vinhuni.edu.vn
  • Website: https://vinhuni.edu.vn

 

License: 163/GP-BTTTT issued by the Minister of Information and Communications on May 10, 2023

Open Access License: Creative Commons CC BY NC 4.0

 

CONTACT

Editor-in-Chief: Assoc. Prof., Dr. Tran Ba Tien
Email: tientb@vinhuni.edu.vn

Deputy editor-in-chief: Assoc. Prof., Dr. Phan Van Tien
Email: vantienkxd@vinhuni.edu.vn

Sub-Editor: Dr. Do Mai Trang
Email: domaitrang@vinhuni.edu.vn

Editorial assistant: Msc. Le Tuan Dung, Msc. Phan The Hoa, Msc. Pham Thi Quynh Nga, Msc. Tran Thi Thai

  • Address: 4th Floor, Executive Building, No. 182, Le Duan street, Vinh city, Nghe An province.
  • Phone: (+84) 238-385-6700 | Hotline: (+84) 97-385-6700
  • Email: editors@vujs.vn
  • Website: https://vujs.vn

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