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All Journal International Journal of Electrical and Computer Engineering IAES International Journal of Artificial Intelligence (IJ-AI) International Journal of Informatics and Communication Technology (IJ-ICT) Bulletin of Electrical Engineering and Informatics Jurnal Ilmiah Teknik Elektro Komputer dan Informatika (JITEKI) International Journal of Advances in Intelligent Informatics CESS (Journal of Computer Engineering, System and Science) Proceeding of the Electrical Engineering Computer Science and Informatics Sistemasi: Jurnal Sistem Informasi Jurnal Teknologi dan Sistem Komputer Informatika Mulawarman: Jurnal Ilmiah Ilmu Komputer Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) International Journal of Artificial Intelligence Research Knowledge Engineering and Data Science JIKO (Jurnal Informatika dan Komputer) International Journal of Computing and Informatics (IJCANDI) JURNAL REKAYASA TEKNOLOGI INFORMASI ILKOM Jurnal Ilmiah Prosiding SAKTI (Seminar Ilmu Komputer dan Teknologi Informasi) METIK JURNAL JISKa (Jurnal Informatika Sunan Kalijaga) Sains, Aplikasi, Komputasi dan Teknologi Informasi Indonesian Journal of Electrical Engineering and Computer Science JUKI : Jurnal Komputer dan Informatika Jurnal Teknik Informatika (JUTIF) Journal of Applied Data Sciences International Journal of Engineering, Science and Information Technology Insyst : Journal of Intelligent System and Computation International Journal of Advanced Science and Computer Applications Adopsi Teknologi dan Sistem Informasi Information Technology Education Journal Bulletin of Social Informatics Theory and Application Periodicals of Occupational Safety and Health Pengabdian Kepada Masyarakat Bidang Teknologi dan Sistem Informasi The Indonesian Journal of Computer Science
Haviluddin Haviluddin
(SCOPUS ID: 56596793000, Universitas Mulawarman)
Aerospace Engineering Agriculture, Biological Sciences & Forestry Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation

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An Inflation Rate Prediction Based on Backpropagation Neural Network Algorithm Purnawansyah, Purnawansyah; Haviluddin, Haviluddin; Setyadi, Hario Jati; Wong, Kelvin; Alfred, Rayner
International Journal of Artificial Intelligence Research Vol 3, No 2 (2019): December 2019
Publisher : Universitas Dharma Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1806.11 KB) | DOI: 10.29099/ijair.v3i2.112

Abstract

This article aims to predict the inflation rate in Samarinda, East Kalimantan by implementing an intelligent algorithm, Backpropagation Neural Network (BPNN). The inflation rate data was obtained from the Provincial Statistics Bureau of Samarinda https://samarindakota.bps.go.id/ for the period January 2012 to January 2017. The method used to measure accuracy algorithm prediction was the mean square error (MSE). Based on the experiment results, the BPNN method with architectural parameters of 5-5-5-1; the learning function was trainlm; the activation functions were logsig and purelin; the learning rate was 0.1 and able to produce a good level of prediction error with an MSE value of 0.00000424. The results showed that the BPNN algorithm can be used as an alternative method in predicting inflation rates in order to support sustainable economic growth, so that it can improve the welfare of the people in Samarinda, East Kalimantan.
Case Base Reasoning for Diagnosing the Level of Hyperemesis Gravidarum in Pregnant Women using K-Nearest Neighbor Puspitasari, Novianti; Rahayu, Ervina; Pakpahan, Herman Santoso; Taruk, Medi; Haviluddin, Haviluddin
Sistemasi: Jurnal Sistem Informasi Vol 13, No 3 (2024): Sistemasi: Jurnal Sistem Informasi
Publisher : Program Studi Sistem Informasi Fakultas Teknik dan Ilmu Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32520/stmsi.v13i3.2584

Abstract

Hyperemesis gravidarum is a disease that causes excessive nausea and vomiting in pregnant women. Due to dehydration, this disease can interfere with daily work and get worse. Medical personnel generally recognize hyperemesis gravidarum as one type of disease. In fact, hyperemesis gravidarum is divided into 3 levels, namely grade I or general hyperemesis gravidarum, grade II hyperemesis gravidarum and grade III. This shows that information about hyperemesis gravidarum has yet to be widely known by some medical personnel. If this is left untreated, these two conditions can cause deep vein thrombosis in pregnant women. This study aims to apply the Case-Based Reasoning and K-Nearest Neighbor (KNN) methods to produce accurate information on the diagnosis of hyperemesis gravidarum levels in pregnant women based on symptom management in cases of an old diagnosis. The study used medical record data for hyperemesis gravidarum sufferers in 2018-2019, totalling 228 data. The calculation results of the Case-Based Reasoning method with the K-Nearest Neighbor using the confusion matrix produce an accuracy value of 74%, a precision value of 55% and a recall value of 57%, which indicates that this method is good enough to diagnose levels in patients with hyperemesis gravidarum.
Penerapan K-Means Clustering dalam Analisis URL Phishing untuk Identifikasi Risiko Keamanan Menggunakan Model PCA Sitompul, Tua Delima; Davina Putri Ananta; Muhammad Rafif Hanif; Wati, Masna; Haviluddin
Adopsi Teknologi dan Sistem Informasi (ATASI) Vol. 4 No. 2 (2025): Adopsi Teknologi dan Sistem Informasi (ATASI)
Publisher : Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/atasi.v4i2.2887

Abstract

Phishing merupakan ancaman siber yang terus berkembang, dan metode deteksi berbasis daftar hitam memiliki keterbatasan signifikan dalam mengidentifikasi situs phishing baru. Penelitian ini menerapkan K-Means Clustering untuk mengelompokkan URL phishing berdasarkan karakteristiknya, menggunakan dataset PhiUSIIL Phishing URL dengan 235.795 sampel. Melalui preprocessing data yang komprehensif, analisis jumlah klaster optimal menggunakan Silhouette Score menghasilkan k = 2 dengan skor 0,972 pada pendekatan hibrid yang menggunakan fitur URLLength dan IsDomainIP. Hasil visualisasi melalui PCA dan t-SNE menunjukkan pemisahan klaster yang sangat jelas, mengonfirmasi bahwa kombinasi sederhana dari dua fitur dapat secara efektif membedakan URL phishing dari URL normal. Penelitian ini membuktikan bahwa K-Means Clustering menawarkan solusi yang lebih adaptif dibandingkan metode berbasis daftar hitam dalam deteksi phishing, dengan kemampuan mengenali pola serangan baru tanpa memerlukan data berlabel.
Comparative Study of Herbal Leaves Classification using Hybrid of GLCM-SVM and GLCM-CNN Purnawansyah, Purnawansyah; Wibawa, Aji Prasetya; Widyaningtyas, Triyanna; Haviluddin, Haviluddin; Hasihi, Cholisah Erman; Teng, Ming Foey; Darwis, Herdianti
ILKOM Jurnal Ilmiah Vol 15, No 2 (2023)
Publisher : Prodi Teknik Informatika FIK Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/ilkom.v15i2.1759.382-389

Abstract

Indonesia is a tropical country with a diverse range of plants that ancient people used for traditional medicines. However, the similarity in shape of the leaves became an obstacle to distinguishing them. Therefore, technological advancements are expected to help identify the herbal leaves to use them right on target according to their efficacy. In this research, image classification of katuk (Sauropus Androgynus) and kelor (Moringa Oleifera) leaves is applied using 3 different algorithms i.e hybrid of Gray Level Co-Occurrence Matrix (GLCM) feature extraction and Support Vector Machine (SVM) implementing 4 kernels namely linear, RBF, polynomial, and sigmoid; hybrid of GLCM and Convolutional Neural Network (CNN); and pure CNN. A dataset of 480 images has been collected with 2 different scenarios, including bright and dark intensities. Based on the result, a hybrid of GLCM and SVM showed the highest accuracy of 96% in the dark intensity test using a linear kernel, while sigmoid obtained the lowest accuracy of 35%. On the other hand, it has been discovered that CNN obtained the highest performance in the bright intensity test with an accuracy of 98%. While in the dark intensity test, a hybrid of GLCM and CNN is superior, obtaining 96% accuracy. In conclusion, CNN is more powerful for image classification with bright intensity. For dark intensity images, both the hybrid of GLCM+SVM (linear) and the hybrid of GLCM+CNN are fairly recommended.
Algoritma Backpropagation Neural Network dalam Memprediksi Harga Komoditi Tanaman Karet Simanungkalit, Julius Rinaldi; Haviluddin, Haviluddin; Pakpahan, Herman Santoso; Puspitasari, Novianti; Wati, Masna
ILKOM Jurnal Ilmiah Vol 12, No 1 (2020)
Publisher : Prodi Teknik Informatika FIK Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/ilkom.v12i1.521.32-38

Abstract

Rubber plantation sector is one of the leading commodities in East Kalimantan Province contributing greatly to non-oil and gas exports. Currently, the price of rubber in the world is increasingly competitive. The aim of this research is to predict the rubber prices as a reference for the government and companies in making policies and preparing work plans. Data of 60 months during the period of 2014-2018 taken from Plantation office of East Kalimantan Province has been analyzed using Backpropagation Neural Network (BPNN) algorithm in predicting rubber prices. Based on the testing results, parameters of the BPNN algorithm with ratio of 4: 1, architectural models 5-10-10-10-1, trainlm learning function, learning rate of 0.5, error tolerance of 0.01, and epoch of 1000 have gained good accuracy with a mean square error (MSE) of 0.00015464. The results showed that the BPNN algorithm can be used as an alternative method in forecasting.
Perbandingan Akurasi LSTM, ARIMA dan Random Forest untuk Prediksi Harga Beras Medium Indonesia Cahyani, Oktaria Indi; Sitompul, Tua Delima; Faizul Anwar Wandi; Cellia Auzia Nugraha; Nur Fadhilah; Haviluddin; Novianti Puspitasari
Adopsi Teknologi dan Sistem Informasi (ATASI) Vol. 5 No. 1 (2026): Adopsi Teknologi dan Sistem Informasi (ATASI)
Publisher : Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/atasi.v5i1.4300

Abstract

Penelitian ini menyelidiki efektivitas peramalan harga rata-rata nasional beras medium II menggunakan data mingguan (Januari 2022–Desember 2024) dengan membandingkan tiga metode: ARIMA, Random Forest (RF), dan Long Short-Term Memory (LSTM). Proses studi meliputi prapemrosesan data, pengembangan model, dan evaluasi menggunakan metrik RMSE, MAE, dan MAPE. Meskipun ARIMA cocok untuk pola linear dan LSTM efektif untuk ketergantungan jangka panjang, Random Forest menunjukkan kinerja superior dalam menangani pola nonlinier dan fluktuasi harga. Hasil evaluasi menunjukkan RF mencapai akurasi tertinggi dengan RMSE 0,08, MAE 0,06, dan MAPE 0,38%, mengungguli LSTM (MAPE 0,51%) dan ARIMA (MAPE 0,73%). Berdasarkan keunggulan ini, RF digunakan untuk memprediksi harga dalam dua belas minggu mendatang, menghasilkan estimasi yang stabil antara Rp15.322 hingga Rp15.326. Penemuan ini menyoroti efektivitas metode ensemble learning (Random Forest) dalam peramalan harga pangan dan ditujukan sebagai dasar rekomendasi kebijakan stabilisasi harga beras nasional.
Finite Element Analysis of Strength Degradation and Interface Behavior Controlling Bund Wall Stability in an Ex-Mining Pit Revia Oktaviani; Tommy Trides; Albertus Juvensius Pontus; Afdal Jamil Tanjung; Haviluddin Haviluddin
International Journal of Engineering, Science and Information Technology Vol 6, No 1 (2026)
Publisher : Malikussaleh University, Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52088/ijesty.v6i1.1786

Abstract

This study presents a finite element analysis of the stability and interface behavior of a bund wall constructed under tropical mining conditions at the Banda Mine, East Kalimantan, Indonesia. The research aims to evaluate the effects of strength degradation and geometric interfaces on the overall stability of the embankment system, which was designed to retain overburden material and mitigate slope failure under combined rainfall and seismic loading. The bund wall, with an overall height of 75 m and a base width of 130 m, was constructed using compacted sandy loam sourced from site overburden. Laboratory testing determined the geotechnical parameters of the materials, including soft clay, sandy loam, and siltstone foundation. Finite element modeling was performed on six critical cross sections to simulate progressive strength reduction representing 0%, 25%, and 50% cohesion loss. The calculated factors of safety ranged from 1.87 to 2.55 along the slope, 3.40 to 5.81 at the bund wall base, and 7.79 to 10.27 within the foundation, confirming overall structural stability under all modeled scenarios. However, local reductions in stability were observed near the interface zones and the central section of the wall at depths exceeding 25 m. These findings highlight the influence of interface geometry and strength degradation on stability performance and emphasize the need for improved compaction and continuous stress monitoring during operation
Autoregressive Integrated Moving Average (ARIMA) Model for Forecasting Indonesian Crude Oil Price Masna Wati; Haviluddin Haviluddin; Akhmad Masyudi; Anindita Septiarini; Heliza Rahmania Hatta
Jurnal Ilmiah Teknik Elektro Komputer dan Informatika Vol. 9 No. 3 (2023): September
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/jiteki.v9i3.22286

Abstract

Crude oil is the main commodity of the global economy because oil is used as an ingredient for many industries globally and is the price base used in the state budget. Indonesian Crude Price (ICP) fluctuates following developments in world crude oil prices. A significant increase in crude oil prices will certainly disrupt the economy. Thus, the movement or fluctuation of ICP is essential for business players in the energy market, especially domestically. Therefore, crude oil price forecasting is needed to assist business people in making decisions related to the energy market. This study aims to find a suitable forecasting model for Indonesian crude oil prices using the Autoregressive Integrated Moving Average (ARIMA) method. The forecasting process used ICP time-series data per month for 50 types of crude oil within five years or 63 months. Based on the experimental results, it was found that the most fit ARIMA models were (0,1,1), (1,1,0), (0,1,0), and (1,2,1). The test results for April to September 2020 have a good and proper interpretation, except the type of BRC oil indicates inaccurate forecasts. The ARIMA error rate is very dependent on the value of the data before it is predicted and external factors, the more unstable the data value every month, the higher the error rate.
Loyal Customer Segmentation Using RFM Model and K-Means Algorithm on E-Commerce Data Hersa Safitri; Haviluddin Haviluddin; Anton Prafanto
Intelligent System and Computation Vol 8 No 1 (2026): INSYST: Journal of Intelligent System and Computation
Publisher : Institut Sains dan Teknologi Terpadu Surabaya (d/h Sekolah Tinggi Teknik Surabaya)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52985/insyst.v8i1.495

Abstract

Comprehensive customer segmentation in the e-commerce context is essential for supporting effective data-driven decision-making. This research aims to develop and validate a loyal customer segmentation model by integrating Recency, Frequency, and Monetary (RFM) analysis with the K-Means clustering algorithm to generate stable, well-separated, and managerially relevant clusters. The dataset analyzed comprises 392,732 transactions from 4,339 customers, obtained from a public e-commerce platform. The research workflow includes data preprocessing, RFM score computation, feature standardization, determination of the optimal number of clusters using the Elbow Method, and cluster evaluation using the Silhouette Coefficient and Davies–Bouldin Index (DBI). The experimental results indicate that a five-cluster configuration yields the best performance, achieving a Silhouette score of 0.6158 and a DBI of 0.7190. The stability of the five-cluster solution is confirmed over 30 random initializations (Silhouette = 0.6159 ± 0.0031; mean Adjusted Rand Index = 0.9892), and its practical value is demonstrated through a segment-level revenue contribution analysis and a comparison against six baseline methods. The Champions segment (comprising Top Champions and Champions) accounts for only 0.3% of the customer base yet contributes the highest total monetary value of US$190,808.54. In contrast, 94.5% of customers are classified as at risk or hibernating. These findings demonstrate that integrating RFM with K-Means, validated across multiple evaluation metrics, yields a reliable, measurable, and actionable customer segmentation framework. This approach effectively supports the development of customer retention strategies and the optimization of data-driven customer value.
Crude Palm Oil Prediction Based on Back propagation Neutral Network Approach Aini, Hijratul; Haviluddin, Haviluddin
Knowledge Engineering and Data Science
Publisher : citeus

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Crude palm oil (CPO) production at PT. Perkebunan Nusantara (PTPN) XIII from January 2015 to January 2018 have been treated. This paper aims to predict CPO production using intelligent algorithms called Backpropagation Neural Network (BPNN). The accuracy of prediction algorithms have been measured by mean square error (MSE). The experiment showed that the best hidden layer architecture (HLA) is 5-10-11-12-13-1 with learning function (LF) of trainlm, activation function (AF) of logsig and purelin, and learning rate (LR) of 0.5. This architecture has a good accuracy with MSE of 0.0643. The results showed that this model can predict CPO production in 2019.
Co-Authors Achmad Fanany Onnilita Gaffar Achmad Fanany Onnilita Gaffar Adnan, Adam Afdal Jamil Tanjung Agus Soepriyadi Ahmad Hijazi, Mohd Hanafi Ahmad Jawahir Ahmad Jawahir Aiman, Ahmad Zuhair Nur Aina Musdholifah Aini, Hijratul Aji Prasetya Wibawa Akhmad Masyudi Albertus Juvensius Pontus Aldi Bastiatul Fawait Fawait Alfiansyah, M Nur Ali Sholihin Allo, Adriati Manuk Anam, M Khairul Anggari, Ricky Anindita Septiarini, Anindita Anton Prafanto Arda Yunianta Arda Yunianta Arif Bramantoro Arif Harjanto Arinda Mulawardani Kustiawan Astuti, Wistiani Aulia Rahman Awang Harsa Kridalaksana Bambang Nur Basuki Bangkit Bekti Nurdianto Basuki, Nur Bambang Brins Leonard Pailan Budiman, Edy Burhandenny, Aji Ery Cahyani, Oktari Indi Cahyani, Oktaria Indi Cellia Auzia Nugraha Chrisman Bonor Sinaga Davina Putri Ananta Dedy Cahyadi Dedy Mirwansyah Delvina Dwiani Samjar Dhanar Intan Surya Saputra Dhanar Intan Surya Saputra Didit Suprihanto, Didit Dinda Izmya Nurpadillah Djoko Setyadi Dwiyanto, Felix Andika Efrizoni, Lusiana Emmilya Umma Azizah Gaffar Fahrul Agus Faizul Anwar Wandi Fatkhul Hani Rumawan Fauzan, Ammar Nabil Faza Alameka Fazma Urmila Jannah Helmi Puadi Firdaus, Ardhifa Firdaus, Muhammad Bambang Fui Fui, Ching Fui, Ching Fui Gaffar, Achmad Fanany Onnlita Gubtha Mahendra Putra Gubtha Mahendra Putra Gultom, Tiopan Hendry Manto Hairah, Ummul Hamdani Hamdani Hasihi, Cholisah Erman Hasnida, Rima Yustika Hatta, Heliza Rahmania Helmi Puadi, Fazma Urmila Jannah Herlina Jayadiyanti Herman Santoso Pakpahan Hersa Safitri Hery Widijanto Hijazi, Mohd Hanafi Ahmad Hijratul Aini Hijratul Aini Huzain Azis Ibrahim, Muhammad Rivani Ifandi, Muhammad Imam Tahyudin Imam Tahyudin Irwan Gani Islamiyah Islamiyah Islamiyah Islamiyah Islamiyah Islamiyah, Islamiyah Iwan Muhamad Ramdan Izdihar, Zahra Nabila Jainuddin Jainuddin Jayadiyanti, Herlina Kesuma, Muhammad Afrizal Kim On, Chin Leong, Jing Mei Lilik Hendrajaya Malani, Rheo Maratus Soleha Medi Taruk Mega Yoalifa Milkhatun, Milkhatun Ming Foey Teng, Ming Foey Moham, Ni’mah Mohd Shahizan Othman Mohd Shahizan Othman Mualin Renaldy Setiabudi Muhammad Bambang Muhammad Rafif Hanif Muhammad Soleh Muhammad Sultan, Muhammad Muhammad Syarif Abdillah Nafalski, Andrew Nataniel Dengen Ngurah Satria Darmawangsa Ni’mah Moham Norazah Yusof Novianti Puspitasari Nugraha, Cellia Auzia Nugroho, Basuki Rahmat Nur Fadhilah Nurfaizi Amin Nurpadillah, Dinda Izmya Olivia Angelica Murtioso Omar Mohammed Barukab Omar Obarukab Norazah Yusof Othman, Mohd Shahizan Paroliyan, Abraham Pradinata, Muhammad Aji Prafanto, Anton Pratama, Arief Ardi Prawira, Muhammad Nanda Purnawansyah Purnawansyah Puspitasari, Novianti Putra, Gubtha Mahendra Putut Pamilih Widagdo, Putut Pamilih Qonita, Adiba Rahayu, Ervina Raihanfitri Adi Kalipaksi Raja, Roesman Ridwan Rayner Alfred Rayner Alfred Rayner Alfred Rayner Alfred Rayner Alfred Rayner Alfred Rendy Ramadhan Revia Oktaviani Rima Yustika Hasnida Salim, Yulita Saputra, Irzan Tri Sarjon Defit Saudi, Azali Setyadi, Hario Jati Simanungkalit, Julius Rinaldi Sitompul, Tua Delima Soepriyadi, Agus Suryani Junita Patandianan Sutikno Sutikno Suwardi Gunawan Tindik, Emmanuel Steward Tommy Trides Triyanna Widiyaningtyas Triyanna Widyaningtyas, Triyanna Utama, Agung Bella Putra Utomo Pujianto Vina Zahrotun Kamila Wandi, Faizul Anwar Wati, Masna Wei, Toh Yin Widians, Joan Angelina Wong, Kelvin Yahya, Fiqri Khaidar Yazeed Al Moaiad Yudhi Saputra Yudi Sukmono Yulita Salim Yunianta, Arda Yusof, Omar Obarukab Norazah Zainal Arifin Zainal Arifin Zakaria Ahmad Dahlan