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Journal : Paradigma

K-Means++ and TF-IDF for Grouping Library Books by Topic Pamput, Jessicha Putrianingsih; Muthmainnah, Aindri Rizky; Risal, Andi Akram Nur; Surianto, Dewi Fatmarani
Paradigma - Jurnal Komputer dan Informatika Vol. 27 No. 2 (2025): September 2025 Period
Publisher : LPPM Universitas Bina Sarana Informatika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31294/p.v27i2.8272

Abstract

The grouping of library materials in the Department of Informatics and Computer Engineering (JTIK) at Universitas Negeri Makassar (UNM) is still conducted using a conventional system that relies on predefined categories and librarian intuition. This approach often leads to inconsistencies in book categorization, making it difficult for users to find relevant references efficiently. To address this issue, this research applies the K-Means++ clustering method, which optimizes centroid initialization for more accurate cluster formation. Books are grouped based on the TF-IDF weighting matrix, resulting in six distinct clusters characterized by unique centroid values. Analysis of the top 10 words per cluster highlights dominant topics within each group. The clustering quality was evaluated using the Silhouette Coefficient, with the highest value of 0.04299, indicating a well-separated cluster structure. These findings demonstrate that K-Means++ effectively organizes books based on word similarity, enhancing library material management and improving information retrieval in the JTIK library.
Co-Authors A. Arfan Fauzi Abdul Wahid Adiba, Fhatiah Adibah, Fhatiah Al Imran Alfian Firlansyah Alifya NFH Alifya Nurilmi Fony Hasanuddin Amri, Muh. Aidil Andi Aisyah Nurfitri Andi Alamsyah Rivai Andi Alviadi Nur Risal Andi Baso Kaswar Andi Baso Kaswar Andi Sadri Agung Andi, Tenriola Anita Candra Dewi Asmaul Husnah Nasrullah Ayu Hasnining Azis, Putri Alysia Bakri, Muh. Fajrin Baktiar, Nurul Isra Humaira Baso, Fadhlirrahman Desy Maryani Dewi Fatmarani Surianto Dirawan, Gufran Darma Edy, Marwan Ramdhany Fathahillah Fathahillah Fathahillah Fathahillah Fathahillah Fhatiah Adiba Fhatiah Adiba Fhatiah Adiba Fhatiah Adiba Firman, Risman Gufria Darma Irasanty Hartanto Tantriawan Irensi Seppa, Yusi Iwan Suhardi Kurnia Prima Putra M. Miftach Fakhri Mappangara, Surianto Muhammad Akbar Muhammad Akbar Amir Muhammad Fajar B Muhammad Nur Yusri Muhlis Tahir Muliadi Muliadi Mulyati Yantahing Mustaring Mustaring Muthmainnah, Aindri Rizky NFH, Alifya Ninik Rahayu Ashadi Nur Azizah Ayu Safanah NUR FADILLAH Nur Inayah Yusuf Nurfitri, Andi Aisyah Nurjannah Nurjannah Nurjannah Nurjannah Nurjannah Nurul Mukhlisah Abdal Pamput, Jessicha Putrianingsih Parenreng, Jumadi M. R., Mantasiah Ramadhan, Haekal Febriansyah Ridwan Daud Mahande Rivai, Andi Muhammad Rivai, Andi Tenri Ola RR. Ella Evrita Hestiandari S.Intam, Rezki Nurul Jariah Satria Gunawan Zain Sitti Faika Sitti Syarifah Wafiqah Wardah SUDIRMAN, MUH. Sulaiman, Dwi Rezky Anandari Surianto, Dewi Fatmawati Syahrul Tahir, Muhlis Tahir, Renisa Amalia Trisakti Akbar Wahid, M Syahid Nur Wardani, Ayu Tri WULANDARI Zulhajji, Zulhajji