Vol 4, No 1

March 2021

DOI: https://doi.org/10.47738/ijiis.v4i1

This issue available online on 1st March 2021 for the regular issue of March 2021. All articles in this issue (9 original research articles) were authored/co-authored by 24 authors from 3 countries (South Korea, Indonesia, &  Malaysia).

south-korea  indonesia 

Table of Contents

Articles

Comparison of Security Signing Data Authentication Integrity in Combination of Digest And AES Message Algorithm
Rasna Rasna(1*), Irjii Matdoan(2), Sitti Alam(3),

(1) Universitas Yapis Papua, Indonesia
(2) Universitas Sains dan Teknologi Jayapura, Indonesia
(3) Universitas Yapis Papua, Indonesia
10.47738/ijiis.v4i1.72
PDF
1-12
Comparison of Min-Max normalization and Z-Score Normalization in the K-nearest neighbor (kNN) Algorithm to Test the Accuracy of Types of Breast Cancer
Henderi Henderi(1), Tri Wahyuningsih(2*), Efana Rahwanto(3),

(1) Informatics Engineering Master Program, Raharja University, Indonesia
(2) Informatics Engineering Master Program, Raharja University, Indonesia
(3) Informatics Engineering Master Program, Raharja University, Indonesia
10.47738/ijiis.v4i1.73
PDF
13-20
Comparison of K-Means Clustering & Logistic Regression on University data to differentiate between Public and Private University
Adhien Kenya Anima Estetikha(1*), Deden Hardan Gutama(2), Musthofa Galih Pradana(3), Dhina Puspasari Wijaya(4),

(1) Amikom Yogyakarta University, Indonesia
(2) Alma Ata University, Indonesia
(3) Alma Ata University, Indonesia
(4) Alma Ata University, Indonesia
10.47738/ijiis.v4i1.74
PDF
21-29
Implementation of the Convolutional Neural Network Method to Detect the Use of Masks
Arbiati Faizah(1*), Pujo Hari Saputro(2), Augusta Jannatul Firdaus(3), Raden Nur Rachman Dzakiyullah(4),

(1) Hasyim Asy'ari University, Indonesia
(2) Universitas Alma Ata, Indonesia
(3) Universitas Hasyim Asy’ari, Indonesia
(4) Universitas Alma Ata, Indonesia
10.47738/ijiis.v4i1.75
PDF
30-37
implementing the Expected Goal (xG) model to predict scores in soccer matches
Izzatul Umami(1*), Deden Hardan Gautama(2), Heliza Rahmania Hatta(3),

(1) Darul Ulum University, Indonesia
(2) Alma Ata University, Indonesia
(3) Mulawarman University, Indonesia
10.47738/ijiis.v4i1.76
PDF
38-54
Modelling Customers Lifetime Value For Non-Contractual Business
Riyanto Riyanto(1*), Abdul Azis(2),

(1) Department Informatics, Universitas Amikom Purwokerto, Indonesia
(2) Department Information Systems, Universitas Amikom Purwokerto, Indonesia
10.47738/ijiis.v4i1.77
PDF
55-62
With topological data analysis, predicting stock market crashes
Nugroho Agung Prabowo(1*), R Arri Widyanto(2), Mukhtar Hanafi(3), Bambang Pujiarto(4), Meidar Hadi Avizenna(5),

(1) Universitas Muhammadiyah Magelang, Indonesia
(2) Universitas Muhammadiyah Magelang, Indonesia
(3) Universitas Muhammadiyah Magelang, Indonesia
(4) Universitas Muhammadiyah Magelang, Indonesia
(5) Universitas Muhammadiyah Magelang, Indonesia
10.47738/ijiis.v4i1.78
PDF
63-70
Analysis of the Effect of Website Sales Quality on Purchasing Decisions on e-commerce Websites
Deden Hardan Gutama(1*), Izzatul Umami(2), Pujo Hari Saputro(3),

(1) Alma Ata University, Indonesia
(2) Universitas Darul Ulum, Indonesia
(3) Alma Ata University, Indonesia
10.47738/ijiis.v4i1.79
PDF
71-81
Predicting Airline Passenger Satisfaction with Classification Algorithms
B.Herawan Hayadi(1), Jin-Mook Kim(2), Khodijah Hulliyah(3), Husni Teja Sukmana(4*),

(1) Informatics Program, Faculty of Engineering, Universitas Prof. Dr. Hazairin, SH., Bengkulu, Indonesia.
(2) Division of IT Education, Sunmoon University, South Korea
(3) International Islamic University Malaysia, Malaysia
(4) Universitas Islam Negeri Syarif Hidayatullah, Indonesia
10.47738/ijiis.v4i1.80
PDF
82-94