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Journal : system information and computer technology synctech

Pengelompokkan Tindakan Kriminalitas di Indonesia dengan K-Medoids Menggunakan Algoritma Artificial Bee Colony Adinda Pratiwi Musa; Novianita Achmad; Salmun K. Nasib
System Information and Computer Technology (SYNCTECH) Vol. 2 No. 1 (2026): February
Publisher : Subaltren Inti Media

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Abstract

This research aims to classify regional police forces in Indonesia based on the level and characteristics of criminal activity by applying the K-Medoids method optimized using the Artificial Bee Colony (ABC) algorithm. This grouping is intended to identify the dominant crime patterns in each region and evaluate the effectiveness of the methods used in producing representative clusters. The analysis results show that the K-Medoids-ABC method produces three main clusters, with the distribution of each consisting of 7 regional police departments in cluster 1, 5 regional police departments in cluster 2, and 21 regional police departments in cluster 3. Cluster validation using the Silhouette Index (SI) yielded a value of 0.387, indicating that the clustering results fall into the weak structure category, meaning the cluster structure is formed but with weak separation (Weak Separation). Cluster 1 shows a moderate and relatively even crime rate, Cluster 2 is dominated by crimes against life and crimes of fraud, embezzlement, and corruption, while Cluster 3 shows low values across all variables, with the lowest values for violent property crimes and drug-related crimes. This cluster reflects regions with relatively safe conditions, as evidenced by very low crime rates. These differences in characteristics between clusters reflect the diversity of factors causing crime in each region and have important implications for formulating more contextual and targeted crime prevention strategies.
Co-Authors Abas Kaluku Abdul Wahab Abdullah Adam, Dwi Putri Juniar Adinda Pratiwi Musa Afifah Farhanah Akadji Agusyarif Rezka Nuha Ainun Sukmawati Al Idrus Akadji, Afifah Farhanah Al Idrus, Ainun Sukmawati Amanda Adityaningrum Ana Nadiyyah Armayani Arsal Asriadi Asriadi Asriadi Asriadi Asriadi Asriadi Biduli, Meiske Cindy Aisa Putri Noor Dewi Rahmawaty Isa Djahara A. Nusi Djihad Wungguli Fadilah Istiqomah Pammus Fatmawati, Ainun Fitria Djafar Fuji Fauzia Kiayi Gani, Friansyah Hasan S. Panigoro Hasan, Riyanto Hinelo, Ikrar Prasetyo I Wayan Can Aryasandi Imran, Nurain Indrawati Lihawa Isa, Jefri N. Ismail Djakaria Isran K Hasan Isran K. Hasan Isran K. Hasan Jusuf, Anryan Karmila Mokoginta Kasim, Afrianto Pratama La Ode Nashar Lailany Yahya Lakisa, Narti Macmud, Tedy Madonsa, Muhammad Rifai Mahmud, Sri Lestari Mahrifat Ismail Marukai, Nur Amalia Meitasya wolah Mohamad Taufik Hamani Mokodompit, Marcela Muhammad Rezky F. Payu Muhammad Rifai Katili Nathania Oktavia Gunawan Naue, Siti Nurmeylisya Ni Wayan Tiarawati Nikmatisni Arsad Ningsih, Setia Nisky Imansyah Yahya Nisky Imansyah Yahya Nisky Imansyah Yahya Nisky Imansyah Yahya NISKY IMANSYAH YAHYA Nisky Imansyah Yahya Novarianti Firdaus Nur Dhea Wahab Nurwan Nurwan Nurwan Nurwan Nurwan Nurwan, Nurwan Nur’ain Manoppo Putri Ayuningtias Mahdang Rahmi, Emli Rakhmat Jaya Lahay Rauf, Dewi Nur Angriani Resmawan Resmawan Rizal Usman Saiful Pomahiya Sembiring, Rinawati Sigar, Tesya Siti Nurmardia Abdussamad Stella Junus Sumarno Ismail Sumarno Ismail Syahrizal Koem Taha, Dennynatalis Trieke Nurfadilah Harun Yanuari, Eka Dicky D Zian Bula