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All Journal Techno.Com: Jurnal Teknologi Informasi Pixel : Jurnal Ilmiah Komputer Grafis SITEKIN: Jurnal Sains, Teknologi dan Industri Jurnal Informatika dan Teknik Elektro Terapan CESS (Journal of Computer Engineering, System and Science) Jurnal Ilmiah Rekayasa dan Manajemen Sistem Informasi Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) INTENSIF: Jurnal Ilmiah Penelitian dan Penerapan Teknologi Sistem Informasi JURNAL MEDIA INFORMATIKA BUDIDARMA Jurnal Komputer Terapan CogITo Smart Journal Indonesian Journal of Artificial Intelligence and Data Mining INOVTEK Polbeng - Seri Informatika JURNAL ILMIAH INFORMATIKA JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI JURNAL INSTEK (Informatika Sains dan Teknologi) ILKOM Jurnal Ilmiah INTECOMS: Journal of Information Technology and Computer Science Digital Zone: Jurnal Teknologi Informasi dan Komunikasi JURIKOM (Jurnal Riset Komputer) CSRID (Computer Science Research and Its Development Journal) JOISIE (Journal Of Information Systems And Informatics Engineering) EDUMATIC: Jurnal Pendidikan Informatika Jurnal Informatika dan Rekayasa Elektronik Zonasi: Jurnal Sistem Informasi JSR : Jaringan Sistem Informasi Robotik Jurnal Restikom : Riset Teknik Informatika dan Komputer Jurnal FASILKOM (teknologi inFormASi dan ILmu KOMputer) Jurnal Indonesia : Manajemen Informatika dan Komunikasi Jurnal J-PEMAS Jurnal Dinamika Informatika (JDI) Jurnal Ilmiah Sistem Informasi dan Teknik Informatika (JISTI) sudo Jurnal Teknik Informatika Jurnal Pustaka AI : Pusat Akses Kajian Teknologi Artificial Intelligence Jurnal Algoritma JAIA - Journal of Artificial Intelligence and Applications Jurnal Komtekinfo Malcom: Indonesian Journal of Machine Learning and Computer Science DEVICE : JOURNAL OF INFORMATION SYSTEM, COMPUTER SCIENCE AND INFORMATION TECHNOLOGY Innovative: Journal Of Social Science Research SATIN - Sains dan Teknologi Informasi VISA: Journal of Vision and Ideas Jurnal Indonesia : Manajemen Informatika dan Komunikasi Jurnal Ilmiah Betrik : Besemah Teknologi Informasi dan Komputer The Indonesian Journal of Computer Science INOVTEK Polbeng - Seri Informatika
Rahmaddeni Rahmaddeni
STMIK Amik Riau
Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Public Health Social Sciences Other

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Journal : INOVTEK Polbeng - Seri Informatika

 1 
Togaf Analysis in Bengkalis State Polytechnic Laboratory Information Systems Design Agustin, Wirta; Rahmaddeni; Rio, Unang; Suhada, Khairus
INOVTEK Polbeng - Seri Informatika Vol. 10 No. 2 (2025): July
Publisher : P3M Politeknik Negeri Bengkalis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35314/0hz5q194

Abstract

Laboratories in educational institutions have an important role in supporting learning and research. However, effective and efficient laboratory management is still a challenge, especially in recording inventory and managing consumables (BHP). The Bengkalis State Polytechnic Informatics Engineering Laboratory already has an application system, but there are still limitations in recording monthly BHP usage, borrowing facilities, and proposing equipment procurement. This research aims to design a blueprint for an integrated laboratory information system using The Open Group Architecture Framework (TOGAF) Architecture Development Method (ADM). This approach is applied to phase F: Migration Planning, which includes requirements analysis, business architecture design, information system architecture, as well as strategy and migration implementation. The results of this research produce a blueprint for a system information laboratory that includes application design, technology recommendations, and implementation stages that can be used as a guide in system development. This blueprint is expected to increase laboratory management efficiency by optimizing inventory recording, procurement planning and maintenance of laboratory services. In addition, the TOGAF ADM approach used can be adapted for laboratories in other educational settings that have similar needs.
Implementation of Retrieval-Augmented Generation  Method on Large Language Model for Development of Campus Service and Information Chatbot Muhammad Dzaki Salman; Rahmaddeni; Torkis Nasution; Susanti
INOVTEK Polbeng - Seri Informatika Vol. 11 No. 1 (2026): February
Publisher : P3M Politeknik Negeri Bengkalis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35314/3y9hy151

Abstract

Large language models have the potential to improve the quality of information services in higher education environments through responsive and natural interactions. However, LLMs are prone to generating answers that are not supported by valid knowledge sources due to knowledge cut-off limitations. This study implements Retrieval-Augmented Generation on LLMs to build an information service chatbot for the Indonesian University of Science and Technology (USTI). RAG is built using a hybrid retrieval mechanism that combines dense retrieval and sparse retrieval (BM25) through reciprocal rank fusion and is equipped with cross-encoder reranking. The knowledge base is compiled from official and public documents obtained through the USTI website. The evaluation was conducted using 13 test queries by comparing several configurations to analyze the contribution of each component. The evaluation results show that the hybrid retrieval configuration produces the best retrieval performance with Precision@3 of 71.7%, Recall@3 of 87.5%, and NDCG@3 of 96.3%. In addition, the application of RAG improved the quality of answers compared to LLM without retrieval, as shown by an increase in BERTScore-F1 from 84.8% to 89.4% and a faithfulness score of 88.8%. These findings indicate that RAG integration improves the relevance of LLM answers to source documents, with the hybrid configuration providing an optimal balance between retrieval quality and faithfulness.
Co-Authors -, Dedek Ispandi A, M. Nakhlah Farid Adhitya Karel Maulaya Afiatuddin, Nurfadlan Agung Pratama Agung Pratama Agustin Agustin Agustin -, Agustin Agustin Agustin Agustin, Endy Wulan Agustriono Agustriono, Agustriono Aisy, Alaysha Rihadatul Aisyah Nurul Putri Akbar, Vitto Rezky Alaysha Rihadatul Aisy Aldino Evel Alfianda, Baginda Anam, M Khairul Ananta, Nita Anderson, Ranap Andi Kurnianto Andri Setiawan Anugraha, Yoga Safitra Aprilia, Fanesa Aprillian Kartino Arifin, Muhammad Amirul Asrofiq, Ahmad Aulia Putri Azdar, Qowiyyu Azfar Huzaifah Siregar B, Ilham Br.Situmorang, Elisabet Sinta Romaito Bunga Nanti Pikir Cahyo, M Rizky Dwi Chandra, Deni Cikita, Putri Cindy Syaficha Hardiana Dadynata, Eric Daulay, Suandi De Pani, Raihan Dedek Ispandi - Delfi Delfi, Delfi Deni Chandra Devi Efriadi Devi Puspita Sari, Devi Puspita Dhini Septhya Didik Sazali Diki Daryanto Dini, Ema Djamalilleil, Said Azka Fauzan Edwar Ali Efrizoni, Luasiana Efrizoni, Lusiana Eka, Wisnu Elma Novfuja Elwinda, Masyitah Erlin Ermy Pily, Annisa Khoirala Fadila, Rahmasari fadillah, m Fahreza, Rino Fakhrizal, M. Aggie Farhan Pratama Farida Try Puspa Siregar Fathoni, Muhammad Hafidhatul Fauzan, Aulia Fazri Fazri Febrio Waleska, Rangga Firman Akbar Firman, Muhammad Aditya fitri pratiwi, fitri Fransiskus Zoromi Fransiskus Zoromi Ginting, Alex Elanta Ginting, Lusiana Ginting, Steven Gusmansyah, Rafly Gusti Firmansyah, Mulia H A Supahri Habibah Br. Lumbantobing Hadi Asnal, Hadi Hafid Azis Supahri Hafidh, M. Hafidhatul Fathoni Hamdani Hamdani - Handoko Hanif Wira Saputra Hasnor Khotimah Hayami, Regiolina Hendra Saputra Hendrawan, Heri Herianto - Herianto Herianto Herisnan, Diva Nabila Huda, Isra Bil Ibrahim, Sang Adji Iftar Ramadhan Ihsan, Raja Muhammad Irawan , Sandra Septi Irawan, Sandra Septi Irsandi, Safril Jabbar, Fiqri Abdul Jamaris, Muhamad Jasmarizal Jasmarizal Junadhi Junadhi Jundi, Muhamad Jundi, Muhammad Khairuddin, M. Kharisma Rahayu Khusaeri Andesa Koko Harianto Koko Harianto Koko Harianto, Koko Kurniawan, Bambang Kurniawan, Fadly Kurniawan, Zuprizal Lili Marlia Lusiana Efrizoni M Fadhil Arfa M. Arifin M. Azzuhri Dinata M. Irpan Mahdiawan Nurkholifah Mahendra, Muhammad Ihza Mardainis Mardainis Mardainis Marhadi, Nanda Maryani, Lily Maulana, Fitra Michal Dennis Muhaimin, Abdi Muhamad Rizky Dwi Cahyo Muhammad Adji Purnama Muhammad afrizal Muhammad Bambang Firdaus Muhammad Dzaki Salman Muhammad Fajri Jamil Muhammad Fikri Hidayat Muhammad Ridho Al Fathan Mukhsinin, Dimas Aditya Najario, Dimas nanda, afri Nanda, Annisa Nasution , Zikri Hardyan Nita Ananta Nova Indriyani Nurjayadi Nurjayadi Nurkholifah, Mahdiawan Oktavianda Perdana Arifin, Satria Pratama , Nanda Rizki Pratama, Farhan Pratiwi, Elsa Eka Prianto, Robi Purnama, Muhammad Adji Putra, Aldino Putra, Andika Mahesa Putra, Febrianda Putri Utami, Putri Putri, Adinda Dwi Putri, Daffina Zahro R Ismanizan Rabbani, Salsabila Rafliansyah, M Rahmat Hidayatullah Rahmi Rahmi Ramadhani, Jilang Ramadhansyah, Donny Rashid, Rashid Ratna Andini Husen Refni Wahyuni Renaldi, Reno Rinaldi Rinaldi Rini Yanti Rino Fahreza Risky Harahap Risman Risman Rivaldi, Ahmad Rizki Astuti Rizky Rahman Salam Rohana Yola Parastika Hutasoit Rohid Rohid, Rohid Rometdo Muzawi, Rometdo Ryan Ismanizan Safitri, Dea Sahelvi, Elza Salman, Muhammad Dzaki Salsabila Rabbani Sapina, Nur Sapitri, Riska Mela Saputra, Candra Saputra, Haris Tri Saputra, Ilham Saputra, Juliandri Saputra, Pingki Ans Satria, Riyan Sazali, Didik Septhya, Dhini Septia, Rapindra Setiawan , Andri Setiawan, Ahmad Agung Sholekhah, Fitriana Sigit, Rapel Aprilius Sinaga, Leonardo Singgih - Widiantoro Siregar, Azfar Huzaifah Soni Suhada, Khairus Sukri Adrianto Sukri Adrianto Supian, Acuan Susandri, Susandri SUSANTI Susanti, Susanti Sutisna Sutisna Syahrul Imardi Syarfi Aziz Syarifuddin Elmi T. Sy. Eiva Fatdha Tahiyat, Hafsah Fulaila Taupik Hidayat, Taupik Torkis Nasution Tri Revaldo, Bagus Triyani Arita Fitri Try Puspa Siregar, Farida Ulfa, Arvan Izzatul Ulfah, Aniq Noviciate Umar, Yusran Unang Rio Uthami, Kurnia Vindi Fitria wahyu, haditya Wahyudi, Gustri Romi Wicaksono, M Teguh Wicaksono, M. Teguh Widia Ningsih, Widia Wirta Agustin Wirta Agustin Wulandari, Denok Yansyah Saputra Wijaya Yesaya Twin Situmorang Yogi Yunefri, Yogi Yoyon Efendi Yuda Irawan Yulia Fatma Yusran Umar Yusril Ibrahim Zairi Saputra zairi saputra Zalianti, Fenisya Zega, Wilman Zikri Hadryan nst Zuriatul Khairi Zuriatul Khairi