Vol. 7 No. 3 (2025): Articles Research July 2025

DOI: https://doi.org/10.47709/cnahpc.v7i3

Published: 2025-07-02

Articles

Articles
FUZZY LOGIC-CONTROLLED IOT SYSTEM FOR SMART PUBLIC TOILETS: DESIGN, IMPLEMENTATION, AND EVALUATION

Kahpi Baiquni Arifani

Faculty of Computer Science, UPN “Veteran” East Java, Surabaya, Indonesia

Muhamad Haidir Irsyadi

Faculty of Computer Science, UPN “Veteran” East Java, Surabaya, Indonesia

Akbar Tri Prakoso

Faculty of Computer Science, UPN “Veteran” East Java, Surabaya, Indonesia

Ahmad Wildan Amrullah

Faculty of Computer Science, UPN “Veteran” East Java, Surabaya, Indonesia

Fajar Indra Nur Alam

Faculty of Computer Science, UPN “Veteran” East Java, Surabaya, Indonesia

Dwi Arman Prasetya

Faculty of Computer Science, UPN “Veteran” East Java, Surabaya, Indonesia

Anggraini Puspita Sari

Faculty of Computer Science, UPN “Veteran” East Java, Surabaya, Indonesia

Efficient energy management in public facilities such as public toilets has become an important challenge in the modern era, especially with the increasing demand for environmental sustainability. In this…

View Article → 604-613
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6045
Articles
The implementation of the Random Forest Algorithm with Resampling and Without Resampling on the Hepatitis C Disease Dataset

I Gede Hendrayana

Institut Teknologi dan Kesehatan Bali, Indonesia

Ni Putu Dita Ariani Sukma Dewi

Institut Teknologi dan Kesehatan Bali, Indonesia

Jiyestha Aji Dharma Aryasa

Institut Teknologi dan Kesehatan Bali, Indonesia

I Made Ade Prayoga

Institut Teknologi dan Kesehatan Bali, Indonesia

Rizki Anom Raharjo

Institut Teknologi dan Kesehatan Bali, Indonesia

This study evaluates the performance of Random Forest models for Hepatitis C classification using a dataset from Kaggle, focusing on addressing class imbalance through resampling techniques. We compare three…

View Article → 614-628
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6089
Articles
APPLICATION OF KNN METHOD FOR CLASSIFICATION OF ARRHYTHMIA TYPES BASED ON ECG DATA

Sonatafati Manao

Faculty of Science and Technology, Universitas Prima Indonesia, Medan, Indonesia

Delima Sitanggang

Faculty of Electrical Engineering Institut Teknologi Del, Indonesia

Albert Sagala

Faculty of Electrical Engineering Institut Teknologi Del, Indonesia

Ade Oktarino

Faculty of Engineering and Computer Science, Adiwangsa Jambi University

Mardi Turnip

Faculty of Science and Technology, Universitas Prima Indonesia, Medan, Indonesia

World Health Organization (WHO) data from June 2024 shows that 31% of adults worldwide or 1.8 billion people do not do physical activity. With that, adults are at higher risk of developing cardiovascular…

View Article → 629-637
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6010
Articles
Expert System Based on K-Nearest Neighbor for Oil Palm Fertilizer Application Optimization

Anggun Triutami

North Sumatra State Islamic University, Medan, Indonesia

M. Fakhriza

North Sumatra State Islamic University, Medan, Indonesia

This study aims to develop an expert system utilizing the K-Nearest Neighbor (KNN) algorithm to recommend suitable fertilizers for oil palm plants based on soil conditions, climate, and plant age. A…

View Article → 638-648
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6092
Articles
PROTOTYPE OF INTERNET OF THINGS (IOT) IMPLEMENTATION IN WASTE MANAGEMENT TO SUPPORT SMART CITY MONITORING WITH ANDROID-BASED MOBILE APPLICATION USING FORWARD CHAINING METHOD

Bawazir Fadhil Mohammad

Fakultas Ilmu Komputer, UPN “Veteran” Jawa Timur, Surabaya, Indonesia

Dody Pintarko

Fakultas Ilmu Komputer, UPN “Veteran” Jawa Timur, Surabaya, Indonesia

Muhammad Izzudin Farhans

Fakultas Ilmu Komputer, UPN “Veteran” Jawa Timur, Surabaya, Indonesia

Andre Leto

Fakultas Ilmu Komputer, UPN “Veteran” Jawa Timur, Surabaya, Indonesia

Ninis Herawati

Fakultas Ilmu Komputer, UPN “Veteran” Jawa Timur, Surabaya, Indonesia

Dwi Arman Prasetya

Fakultas Ilmu Komputer, UPN “Veteran” Jawa Timur, Surabaya, Indonesia

Anggraini Puspita Sari

Fakultas Ilmu Komputer, UPN “Veteran” Jawa Timur, Surabaya, Indonesia

Efficient waste management is one of the main challenges in supporting the implementation of the smart city concept. This research aims to develop a prototype of an Internet of Things (IoT)-based waste…

View Article → 649-658
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DOI: https://doi.org/10.47709/cnahpc.v7i3.5977
Articles
BITCOIN PRICE PREDICTION USING LONG SHORT TERM MEMORY ALGORITHM

Rifqi Arul Fauzi

Universitas Buana Perjuangan Karawang

Tatang Rohana

Universitas Buana Perjuangan Karawang

Euis Nurlaelasari

Universitas Buana Perjuangan Karawang

Deden Wahiddin

Universitas Buana Perjuangan Karawang

Bitcoin a digital asset with the largest market capitalization in the world and shows high price volatility, attracting the interest of researchers to make accurate price predictions. The research aims to…

View Article → 659-671
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DOI: https://doi.org/10.47709/cnahpc.v7i3.5945
Articles
Evaluation of Cybersecurity Awareness and Training for Digital Branch Frontliners at Bank XYZ

Ayu Novira Shinta Permatasari

Universitas Pradita

Alfa Ryano Yohannis

Universitas Pradita, Tangerang, Indonesia

The digital transformation in the banking sector has driven a shift in operations, including the establishment of digital branches that rely on information technology to deliver services to customers.…

View Article → 672-683
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6016
Articles
Facial Expression Recognition Using Fused Features: A Comparison of Deep and Machine Learning

Abbas Issa Jabbooree

1Ministry of Communication, ITPC, High Institute of Telecommunication & Post, Baghdad, Iraq

Hussein Alkaabi

Ministry of Education Iraq, General Direction of Vocational Education, Al-Najaf, 54001, Iraq

Ali Nadhim Kamber

Ministry of Education, General Directorate of Education in Najaf, Najaf, Iraq

Facial expression recognition (FER) is a highly active field with applications in computer vision, human-computer interaction, security, and computer graphics animation. Recent advancements in deep learning…

View Article → 684-699
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6128
Articles
Multiscale Facial Detection using RetinaFace Architecture with Loss Function

Irma Amelia Dewi

Department of Informatics, Institut Teknologi Nasional Bandung, Indonesia

Nadhiva Adzra Tsania Maryadi

Department of Informatics, Institut Teknologi Nasional Bandung, Indonesia

Facial recognition technology has become increasingly prevalent in modern applications, from security systems to social media platforms. However, one of the most significant challenges in this field remains…

View Article → 700-710
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6161
Articles
Integrated Cnn Based Facial Emotion Detection And Camera Based PPG Heart Rate Monitoring

Erwin Panggabean

STMIKPelita Nusantara Medan, Sumatera Utara, Indonesia

R. Mahdelena Simanjorang

STMIK Pelita Nusantara Medan, Sumatera Utara, Indonesia

Wira Apriani

STMIKPelita Nusantara Medan, Sumatera Utara, Indonesia

Nuraisana

STMIKPelita Nusantara Medan, Sumatera Utara, Indonesia

Hartati Palentina Sipahutar

STMIK Pelita Nusantara Medan, Sumatera Utara, Indonesia

Tesalonika Pesta Siagian

STMIK Pelita Nusantara Medan, Sumatera Utara, Indonesia

Human emotion detection and heart rate estimation are two important aspects in developing a more responsive and adaptive human-computer interaction system. This study proposes a real-time video-based system…

View Article → 711-719
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6299
Articles
APPLICATION OF TRANSFORMER MODEL AND WORD EMBEDDING IN SENTIMENT ANALISYS OF INDONESIAN E-COMMERCE APPLICATION REVIEW

Kadarsih

Universitas Mahakarya Asia, Indonesia

Defi Pujianto

Universitas Mahakarya Asia

The rapid growth of e-commerce applications in Indonesia has resulted in a large volume of user reviews. The review contains important information that can be used to understand user satisfaction, complaints,…

View Article → 720-732
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6354
Articles
Design of an Arduino Based Automatic Sealing Machine with DS18B20 Sensor for Smart Temperature Control

Marysca Shintya Dewi

Universitas Dian Nusantara

Linda Marlinda

Universitas Nusa Mandiri

Komarudin

Universitas Dian Nusantara

Sealing quality is a critical concern for Micro, Small, and Medium Enterprises (MSMEs) that rely on conventional machines lacking temperature control mechanisms. These systems often result in overheating or…

View Article → 733-746
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6277
Articles
Prediction of DHF Disease Using Bagging Algorithm with Decision Tree C4.5

Abdul Halim Mahfudzin

Institut Informatika dan Bisnis Darmajaya

Sriyanto

Institut Informatika dan Bisnis Darmajaya

Sutedi

Institut Informatika dan Bisnis Darmajaya

Wasilah

Institut Informatika dan Bisnis Darmajaya

Dengue Fever (DHF) continues to represent a significant public health threat in Indonesia and other tropical regions, with an annual increase in the number of reported cases. The primary aim of this study is…

View Article → 747-758
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6267
Articles
Systematic Literature Review: Predicted Color Output in UI/UX Design Using Machine Learning

Agita Nurfadillah

Universitas Logistik dan Bisnis Internasional

Roni Andarsyah

Universitas Logistik dan Bisnis Internasional

An attractive user interface (UI) design is greatly influenced by the selection of appropriate colors, but the selection process tends to be subjective. To address this challenge, this study was conducted to…

View Article → 759-766
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6357
Articles
Usability Evaluation of the Online Marriage Registration Feature in SIMKAH

Krisna Fahrizal Dzatama

Universitas Nusantara PGRI Kediri

Erna Daniati

Anita Sari Wardani

The development of digital technology has encouraged government agencies to adopt online-based public services. One such system is SIMKAH (Marriage Management Information System), a web-based platform…

View Article → 767-776
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6295
Articles
Comparative Analysis of YOLOv11 with Previous YOLO in the Detection of Human Bone Fractures

Febri Aldi

Universitas Putra Indonesia YPTK Padang

Irohito Nozomi

Universitas Putra Indonesia YPTK Padang

M. Hafizh

Universitas Putra Indonesia YPTK Padang

Triana Novita

Universitas Putra Indonesia YPTK Padang

Accurate and rapid detection of bone fractures is an important challenge in the medical world, particularly in the field of radiology. This study aims to analyze and compare the performance of the YOLOv11…

View Article → 777-790
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6051
Articles
Usability Evaluation of the SiCanTiK Website at SMKN 3 Kota Kediri Using the System Usability Scale and USE Questionnaire

Muhammad Abi Lukman

Universitas Nusantara PGRI Kediri

Erna Daniati

Universitas Nusantara PGRI Kediri

Anita Sari Wardani

Universitas Nusantara PGRI Kediri

The rapid advancement of information technology has driven the transformation of learning systems, especially in vocational education. SMKN 3 Kota Kediri has developed an e-learning platform called SiCantik…

View Article → 791-799
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6315
Articles
RAD-Based Public Opinion Monitoring Information System for BSN

Kiki Puspo Arianty

Universitas ASA Indonesia

The growing influence of online media in shaping public opinion has driven government institutions to modernize their monitoring and communication systems. This study aims to develop a web-based information…

View Article → 816-824
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6497
Articles
Real-Time Data Integration and Weather Reporting Automation with Cloud Computing-based Interactive Spatial Dashboard for Extreme Weather Risk Analytics in Indonesia

Kahpi Baiquni Arifani

Faculty of Computer Science, UPN “Veteran” East Java, Surabaya, Indonesia

Dody Pintarko

Faculty of Computer Science, UPN “Veteran” East Java, Surabaya, Indonesia

Anggraini Puspita Sari

Faculty of Computer Science, UPN “Veteran” East Java, Surabaya, Indonesia

Agussalim

Faculty of Computer Science, UPN “Veteran” East Java, Surabaya, Indonesia

Global climate change has increased the risk of extreme weather events in Indonesia, necessitating an accurate and real-time weather information system. This study develops a cloud computing-based system…

View Article → 816-824
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6298
Articles
Islamic Sound Recognition Using MFCC and SVM: Case Study on Takbir and Sholawat

Indah Purnama Sari

Universitas Ahmad Dahlan Dan Universitas Muhammadiyah Sumatera Utara

Abdul Fadlil

Universitas Ahmad Dahlan

Tole Sutikno

Universitas Ahmad Dahlan

This study aims to develop an identification model for Islamic religious sounds, specifically Takbir and Sholawat pronunciations, using audio signal processing and machine learning techniques. With the…

View Article → 825-839
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6523
Articles
Sentiment Analysis on TikTok Discourse Surrounding the 2024 North Sumatra Gubernatorial Election Using Support Vector Machine Algorithm

Istiqomah

Universitas Islam Negeri Sumatera Utara, Indonesia

Aidil Halim Lubis

Universitas Islam Negeri Sumatera Utara, Indonesia

This study aims to analyze public sentiment towards the 2024 North Sumatra gubernatorial election by leveraging social media data, specifically TikTok, which has become a major platform for political…

View Article → 840-853
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6549
Articles
Comparison of Support Vector Machine and Naïve Bayes to Sentiment Analysis of Military Barracks Program

Salsabilla Choerunnisa Nurzanah

Universitas Langlangbuana

Mila Siti Armilah

Langlangbuana University

Fajar Arianto

Langlangbuana University

Supriadi

Langlangbuana University

Hadi Prasetyo Utomo

Langlangbuana University

Sentiment analysis is a study that analyzes a person's emotions about a problem. The military barracks program proposed by the Governor of West Java has drawn pros and cons from the community, especially in…

View Article → 854-864
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6515
Articles
Sentiment Analysis on Teacher Salary Policy in Indonesia 2025 Using Support Vector Machine: A Case Study on Instagram Data

Nur Hera Zabni

Departement of Computer Science, Faculty of Science and Technology, State Islamic University of North Sumatra, Indonesia

Mhd. Furqan

Departement of Computer Science, Faculty of Science and Technology, State Islamic University of North Sumatra, Indonesia

The government's policy regarding salary increases for both civil servant (ASN) and non-civil servant (honorary) teachers in 2025 has generated various responses from the public, especially on social media.…

View Article → 865-875
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6487
Articles
Performance and Risk Assessment of Honeypots on IoT and VPS Using COBIT 2019 and Stress Test

Lukas Hadi Purnama

Master of Informatics, Surabaya University, Indonesia

Daniel Hary Prasetyo

Master of Informatics, Surabaya University, Indonesia

The massive wave of digital transformation has increased the complexity of cyber threats, particularly targeting vital network services. Honeypots have emerged as an effective approach for detecting and…

View Article → 876-889
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6661
Articles
Usability Assessment of a Waste Bank Customer Management Application Using the System Usability Scale (SUS)

Malahayati

Politeknik Negeri Sriwijaya, Indonesia

Ebtaria Nadeak

Politeknik Negeri Sriwijaya, Indonesia

Rika Sadariawati

Politeknik Negeri Sriwijaya, Indonesia

Waste Bank is a participatory solution for community-based waste management that provides positive economic and environmental impacts. At a waste bank, community members can deposit separated waste such as…

View Article → 890-897
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6469
Articles
AHP–SAW-Based Decision Support System for Culinary Tourism Restaurant Selection in Semarang City

Agus Indra Cahaya

Teknik Informatika, Universitas Stikubank

Fikky Aprico

Dewi Apriyanti

Kristiawan Nugroho

Eka Ardhianto

Semarang City boasts a diverse array of appealing culinary restaurants, yet both tourists and local residents frequently encounter difficulties in selecting dining establishments that best match their…

View Article → 898-909
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6557
Articles
Interactive Multimedia Website For Promoting Mumbul Sangeh Park As A Tourist Destination

I Putu Indra Wiguna

Universitas Dhyana Pura, Indonesia

Christian Tonyjanto

Universitas Dhyana Pura, Indonesia

Aulia Iefan Datya

Universitas Dhyana Pura, Indonesia

Putu Andika Kurniawijaya

Universitas Dhyana Pura, Indonesia

Mumbul Sangeh Park in Bali has experienced low visitor turnout, primarily due to inadequate promotional strategies. To address this issue, a study was conducted to develop a modern, interactive promotional…

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DOI: https://doi.org/10.47709/cnahpc.v7i3.6600
Articles
Breast Cancer Classification Using Naïve Bayes and Random Forest Algorithms

Riris Naomi Gurning

Informatics Engineering Study Program, Faculty of Engineering, Pelita Bangsa University, Indonesia

Asep Arwan Sulaeman

Informatics Engineering Study Program, Faculty of Engineering, Pelita Bangsa University, Indonesia

Dedi Afandi

Informatics Engineering Study Program, Faculty of Engineering, Pelita Bangsa University, Indonesia

Breast cancer is one of the leading causes of death among women in Indonesia. Therefore, early detection is crucial to improving the chances of successful treatment. This study was conducted to evaluate the…

View Article → 920-933
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6609
Articles
Comparative Analysis of Yolov11 and Mask R-CNN Models for River Water Level Detection

Abiyyu Setrayana

Universitas Duta Bangsa Surakarta

Nurchim

Universitas Duta Bangsa Surakarta

Eko Purwanto

Universitas Duta Bangsa Surakarta

Flooding is one of the most frequent natural disasters in Indonesia, particularly in densely populated areas such as urban regions. The main cause is the delayed response in anticipating rising river water…

View Article → 934-947
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6622
Articles
Prediction of Ovarian Cyst Disease Mortality Rate Cases Using Markov Chain Monte Carlo with Gibbs Sampling Algorithm

Salsabila Rizky Fazriani

Department of Mathematics, Universitas Islam Negeri Sumatera Utara, Medan, Indonesia

Rima Aprilia

Department of Mathematics, Universitas Islam Negeri Sumatera Utara, Medan, Indonesia

Ovarian cyst is one of the reproductive disorders that can develop into ovarian cancer and cause death if not treated properly. This study aims to predict the death rate due to ovarian cyst disease using the…

View Article → 948-958
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6724
Articles
Evaluation of the Quality of Academic Information Services on the FEB UNJ Website Based on the WebQual and EUCS Models

Eka Dewi Utari

Universitas Negeri Jakarta

Ferry Setyadi Atmadja

Ria Rahma Nida

Universitas Negeri Jakarta

Lathiefah Rabbaniyah

Universitas Negeri Jakarta

Dinda Ramadhani Qurrota Ayyun

Universitas Negeri Jakarta

This study aims to evaluate the quality of academic information services provided through the website of the Faculty of Economics and Business, State University of Jakarta (www.feb.unj.ac.id). The research…

View Article → 959-969
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6559
Articles
Strategic Planning of Information Systems and Technology Using the Ward and Peppard Method at Politeknik Internasional Bali

I Made Kresna Dana

Universitas Pendidikan Ganesha

Sariyasa

Universitas Pendidikan Ganesha

I Made Gede Sunarya

Universitas Pendidikan Ganesha

This study aims to formulate a strategic plan for the Information System (IS) and Information Technology (IT) at Politeknik Internasional Bali with the objective of enhancing the performance of business…

View Article → 970-980
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6737
Articles
Machine Learning for Securing API Gateways : a Systematic Literature Review

B. Junedi Hutagaol

ASA Indonesia University, Jakarta, Indonesia

Riama Santy Sitorus

ASA Indonesia University, Jakarta, Indonesia

Dita Madonna Simanjuntak

Kristen Indonesia University, Jl. Mayjen Sutoyo, Jakarta, Indonesia

The rapid growth of mobile banking has improved access to financial services but also introduced heightened cybersecurity risks, particularly due to vulnerabilities in API Gateways and limited user awareness…

View Article → 982-993
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6788
Articles
APPLICATION OF K-NEAREST NEIGHBOUR, RECURSIVE ELIMINATION AND ADASYN ALGORITHMS ON DERMATITIS DISEASE CLASSIFICATION DATA

Daib Jidan Ramadhani

Bachelor Of Informatics Engineering Study Program Faculty Of Science And Technology Muhammadiyah University Of East Kalimantan

Taghfirul Azhima Yoga Siswa

Bachelor Of Informatics Engineering Study Program Faculty Of Science And Technology Muhammadiyah University Of East Kalimantan

Wawan Joko Pranoto

Bachelor Of Informatics Engineering Study Program Faculty Of Science And Technology Muhammadiyah University Of East Kalimantan

Dermatitis is a common type of non-infectious skin disease frequently found in Indonesia. Its prevalence is influenced by several factors such as poor hygiene, environmental conditions, and climate change.…

View Article → 994-1006
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6656
Articles
Comparative Analysis of Incoming Goods Patterns Using FP-Growth and Apriori Algorithms: A Case Study in Retail

Akbar Pramuja Ritonga

UNIVERSITAS LABUHANABATU

Syaiful Zuhri Harahap

Universitas Labuhanbatu

Masrizal

Universitas Labuhanbatu

This study aims to analyze consumer purchasing patterns in minimarkets using the Apriori and Fp Growth association algorithms based on transaction data, where the data consists of 10 goods receipt…

View Article → 1007-1020
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6776
Articles
Web-Based Attendance Information System At Diskominfosantik Bekasi District With Prototype Method

John David Willy Panjaitan

Informatics Engineering Study Program, Faculty of Engineering, Pelita Bangsa University, Indonesia

Anggi Muhammad Rifa'i

Informatics Engineering Study Program, Faculty of Engineering, Pelita Bangsa University, Indonesia

Asep Suprianto

Informatics Engineering Study Program, Faculty of Engineering, Pelita Bangsa University, Indonesia

The rapid development of information technology has encouraged government agencies to utilize digital systems to improve operational efficiency and effectiveness, including in managing employee attendance…

View Article → 2021-2031
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6753
Articles
Comparative Analysis of the Fuzzy Time Series Chen and Rungge Kutta Felhberg Methods for Forecasting the Number of HIV/AIDS in the Province of North Sumatra

Sielve Suwanda Wahono

Universita Islam Negri Sumatra Utara

Fibri Rakhmawati

The increase in HIV/AIDS cases in North Sumatra Province requires accurate forecasting methods to support prevention and control programs. Accurate predictions of the number of cases will help stakeholders…

View Article → 1031-1041
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6851
Articles
Analysis of the Effectiveness of the T² Hotelling Control Chart in Concrete Control

Syilviani

Departemen Matematika, Fakultas Sains dan Teknologi, Universitas Islam Negeri Sumatera Utara

Rina Filia Sari

State Islamic University of North Sumatra, Medan, Indonesia

In the world of construction, concrete quality plays a very important role because it directly affects the strength and durability of building structures. The purpose of this research is to appraise and…

View Article → 1042-1056
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6848
Articles
Optimization of the K-Means Method and Davies-Bouldin Index (DBI) Technique in Mapping Spotify's Most Popular Songs Based on Mood

Rizky Septiani

STIKOM Tunas Bangsa

Muhammad Ridwan Lubis

AMIK Tunas Bangsa Pematangsiantar

Fahmi Firzada

AMIK Tunas Bangsa Pematangsiantar

Spotify is a leading music streaming platform that offers a wide variety of songs with audio characteristics capable of influencing listeners' moods. This study aims to optimize the K-Means method to cluster…

View Article → 1057-1065
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DOI: https://doi.org/10.47709/cnahpc.v7i3.6655

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