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All Journal Seminar Nasional Aplikasi Teknologi Informasi (SNATI) Jupiter Jurnal Simetris Explore: Jurnal Sistem Informasi dan Telematika (Telekomunikasi, Multimedia dan Informatika) Seminar Nasional Informatika (SEMNASIF) JIKO (Jurnal Informatika dan Komputer) Jurnal Ilmiah Matrik Jurnal Sisfokom (Sistem Informasi dan Komputer) INTECOMS: Journal of Information Technology and Computer Science The IJICS (International Journal of Informatics and Computer Science) Jurnal Manajemen Informatika dan Sistem Informasi Journal of Information Systems and Informatics Jurnal Ilmiah Betrik : Besemah Teknologi Informasi dan Komputer JOURNAL OF INFORMATION SYSTEM RESEARCH (JOSH) Journal of Computer Science, Information Technology and Telecommunication Engineering (JCoSITTE) Journal of Applied Data Sciences Informanika Journal of Computer and Information Systems Ampera Journal of Software Engineering Ampera Jurnal Pengembangan Sistem Informasi dan Informatika Jurnal Indonesia : Manajemen Informatika dan Komunikasi Jurnal Pengabdian kepada Masyarakat Jurnal Pengabdian kepada Masyarakat Bina Darma Jurnal Minfo Polgan (JMP) Ngabdimas : Pengabdian Pada Masyarakat PUBLICA: Jurnal Pengabdian Masyarakat Jurnal Pengabdian Masyarakat Bangsa Journal Of Artificial Intelligence And Software Engineering Jurnal Informatika: Jurnal Pengembangan IT Jurnal Akademik Pengabdian Masyarakat Ngabdimas Jurnal Ilmiah Betrik : Besemah Teknologi Informasi dan Komputer Computer Journal Aksi Kita: Jurnal Pengabdian Kepada Masyarakat Jurnal Cakrawala Akademika Recursive Journal of Informatics Jurnal Informatika Dan Tekonologi Komputer
Muhammad Nasir
Universitas Bina Darma
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Journal : recursive journal of informatics

 1 
Development of an Academic Chatbot Based on Natural Language Processing for Student Information Services at Universitas Bina Darma Muhammad Arif Rahmad Syahputra; Widyanto; Muhammad Nasir
Recursive Journal of Informatics Vol. 4 No. 2 (2026): September 2026
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/rji.v4i2.62866

Abstract

Purpose: Repetitive academic inquiries and substantial linguistic variation in informal Indonesian student messages can reduce the consistency and timeliness of university information services. This study develops and evaluates an academic chatbot for student information services at Universitas Bina Darma through WhatsApp. Methods/Study design/approach: An applied engineering-research approach was employed. An exploratory questionnaire involving 100 active students was used to identify dominant information needs and representative query expressions, while verified institutional documents were used separately to construct controlled service responses. The implemented architecture integrates Baileys as the WhatsApp messaging gateway, Node.js/Express as the orchestration layer, Dialog flow ES for intent and entity recognition, and MySQL for conversation logging and monitoring. The final agent contains 129 custom intents, 22 entities, and 2,572 training-phrase entries. An operational confidence threshold of 0.70 was applied to route uncertain inputs to fallback handling. Evaluation was conducted at four layers: 13 black-box functional scenarios, 24 intent cases representing major service families and out-of-scope input, 15 response-conformity cases, and six end-to-end integration scenarios. Result/Findings: All black-box scenarios produced the expected outputs. Intent agreement reached 95.83%, response conformity reached 86.67%, and all integration scenarios were successful. The difference between intent agreement and response conformity indicates that correct intent recognition does not necessarily guarantee an equally specific or institutionally appropriate answer when response coverage is incomplete. Novelty/Originality/Value: The contribution of this study is therefore positioned as applied system engineering rather than a new NLP algorithm. It demonstrates a deployable, confidence-controlled architecture that separates informal-query recognition from verified institutional delivery and evaluates recognition, answer conformity, and technical integration as distinct quality dimensions. Broader intent coverage, human-user evaluation, threshold calibration, load testing, and dynamic integration with institutional information systems remain necessary for wider deployment.
Co-Authors Agil Dwi Anugra Ahmad Hafidz Ahmad Tri Wahyudi Aidil Safitra Al Kautsar, Muhammad Kevin Alek Wijaya Alfarizi, Muhammad Fadhillah Amelia Vebrianti Andi Santoso Andre Satriawan Andri Andri Andri Andri Andri Andri, Andri Apriadi Ardi Birawinata Benny tinota aryansyah Bujang, Nurul Shaira Binti Candi Aldama Dedi Febrian Desi Lestari Dewi, Deshinta Arrova DINNY KOMALASARI Doni Indrian Edro Dyah Ikhtiarti Edi Supratman Eka Puji Agustini Fahri Arvin Habibi Fatoni Fatoni, Fatoni fira hanasti Hadi Syaputra Hadinata, Novri Herdiansyah, M. Izman Ilham Apriliansah Imam Muslikhun Imam Solikin Inayah Utami Irman Effendy Irman Effendy Irwan Syahputra Jemakmun, Jemakmun Kms M Rasyid Siddiq Kurniawan Kurniawan Kurniawan Kurniawan Kurniawan, Tri Basuki Luh Putu Ratna Sundari M Reza Alhapizi M. Fadhil Mubarokh M. Iqbal Ramdhani M. Izman Herdiansyah M. Soekarno Putra Maria Ulfa Muhammad Arif Rahmad Syahputra Muhammad Iqbal Ramdhani Muhammad Ridwan Ramadhan Nanda Hermawansyah Niken Zelia Sari Nyimas Sopiah Prasetyo, Dwi Robbi Qoriani Widayati Raja Tegar Wahyudi Rasmila Rizky Adi Saputra santana ellysza Saracen Foust Badr Siti Sa'uda Siti Sauda Susan Dian Purnamasari Susan Dian Purnamasari Suyanto Suyanto Suyanto Suyanto Tiara oktafiani Tomi Kapri Vivi Sahfitri Widyanto Zakaria, Mohd Zaki zikri wijaya darmawan