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All Journal Jurnal Nasional Pendidikan Teknik Informatika (JANAPATI) Journal of Artificial Intelligence and Engineering Applications (JAIEA)
Rani Irma Handayani
Universitas Bina Sarana Informatika
Automotive Engineering Computer Science & IT Control & Systems Engineering Education Engineering

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EVALUASI TATA KELOLA TEKNOLOGI INFORMASI DENGAN METODE COBIT 4.0 DOMAIN DS DAN ME PADA PT. CENTRA GLOBAL INVESTAMA JAKARTA Dinar Ajeng Kristiyanti; Sabtoadhy Bagus Pambudi; Rani Irma Handayani
Jurnal Nasional Pendidikan Teknik Informatika : JANAPATI Vol. 8 No. 1 (2019)
Publisher : Prodi Pendidikan Teknik Informatika Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/janapati.v8i1.17195

Abstract

Penggunaan teknologi informasi sudah menjadi kebutuhan pokok bagi masyarakat saat ini dalam berbagai kegiatan komunikasi dan bisnis. Hampir setiap individu maupun institusi menerapkan teknologi informasi sebagai alat penunjang kegiatan komunikasi dan bisnis. Bagi institusi, penerapan teknologi informasi memerlukan biaya investasi yang tidak sedikit. Selain investasi dalam hal logistik, sumber daya manusia juga menjadi faktor penentu dalam keefektifan dan efisiensi keberlangsungan perusahaan. Evaluasi tata kelola teknologi informasi perlu dilakukan pada PT Centra Global Investama Jakarta. Dalam penelitian ini metode COBIT 4.0 (Control Objective for Information and Related Technology) dengan pendekatan domain DS (Delivery and Support) dan ME (Monitoring and Evaluation) dipilih untuk direkomendasi sebagai dasar pengelolaan teknologi informasi. Dari pemetaan model maturity tersebut diperoleh bahwa tingkat maturity untuk PT Centra Global Investama Jakarta sudah sesuai harapan berada pada level 3. Namun perlu dilakukan upaya untuk menutupi gap agar tingkat maturity dari masing-masing control process tersebut dapat berjalan lebih optimal dan berkembang. 
Spam Message Classification Using the Naïve Bayes Algorithm Based on RapidMiner Muhamad Yusup; Mochamad Isham Fadillah; Rifky Adinanta Fauzanie; Risca Lusiana Pratiwi; Rani Irma Handayani; Euis Widanengsih
Journal of Artificial Intelligence and Engineering Applications (JAIEA) Vol. 5 No. 2 (2026): February 2026
Publisher : Yayasan Kita Menulis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59934/jaiea.v5i2.1811

Abstract

This study implements the Naïve Bayes algorithm for classifying spam and non-spam (ham) messages using the RapidMiner Studio platform. The dataset used was obtained from the SMS Spam Collection Dataset on the Kaggle platform, which consists of 5,759 messages with a distribution of 4,075 ham messages and 1,291 spam messages. The research stages included text pre-processing, model training, and performance evaluation using accuracy, precision, recall, and F1-score metrics. The experimental results showed that the Naïve Bayes model achieved an accuracy of 89.64% with a precision of 56.93%, a recall of 100%, and an F1-score of 72.56%. The research findings indicate that the Naïve Bayes algorithm is effective in detecting spam messages with adequate accuracy, and prove that RapidMiner is an efficient tool for implementing machine learning methods in text classification.
Clustering Provinces in Indonesia Based on Economic Indicators Using the K-Means Algorithm Ilham Ilyasa; Muhamad Fazri Sugara; Abdul Aziiz; Rani Irma Handayani; Risca Lusiana Pratiwi; Euis Wida Nengsih
Journal of Artificial Intelligence and Engineering Applications (JAIEA) Vol. 5 No. 2 (2026): February 2026
Publisher : Yayasan Kita Menulis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59934/jaiea.v5i2.1812

Abstract

This study aims to analyze and classify the level of economic development in provinces in Indonesia using the K-Means algorithm. The data used includes three main indicators, namely Gross Regional Domestic Product (GRDP) per capita, percentage of poor population, and Human Development Index (HDI) in 2024 obtained from the Central Statistics Agency (BPS). The data was processed through normalization and analysis using the Elbow method to determine the optimal number of clusters. The results were evaluated using the Davies–Bouldin Index (DBI) to assess the level of separation and compactness between clusters. The results show that the most effective division consists of three groups representing high, medium, and low levels of development. Provinces such as DKI Jakarta and Riau are included in the high development cluster, Central Java and South Sulawesi are in the medium cluster, while Papua and East Nusa Tenggara are in the low cluster. These results show that machine learning methods, particularly K-Means, are capable of identifying patterns of regional economic inequality and provide a useful basis for the government in formulating more targeted and equitable development policies.
Co-Authors Abdul Aziiz Dinar Ajeng Kristiyanti Euis Wida Nengsih Euis Widanengsih Ilham Ilyasa Mochamad Isham Fadillah Muhamad Fazri Sugara Muhamad Yusup Rifky Adinanta Fauzanie Risca Lusiana Pratiwi Sabtoadhy Bagus Pambudi