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All Journal Seminar Nasional Aplikasi Teknologi Informasi (SNATI) Indonesia Symposium on Computing Indonesian Journal on Computing (Indo-JC) JURNAL MEDIA INFORMATIKA BUDIDARMA Jurnal Teknik Informatika (JUTIF) Journal La Multiapp eProceedings of Engineering Jurnal Pengabdian Masyarakat Bangsa
Shaufiah .
Telkom University
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Journal : Jurnal Teknik Informatika (JUTIF)

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Mapping Gestures Based on Text Emotion Classification for a Virtual Chatbot for Early Marriage Consultation in Lombok Using RoBERTa Model Ramadhan, Adam Zahran; Wijaya, Rifki; Shaufiah, Shaufiah
Jurnal Teknik Informatika (Jutif) Vol. 6 No. 5 (2025): JUTIF Volume 6, Number 5, Oktober 2025
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52436/1.jutif.2025.6.5.5038

Abstract

To address the persistent issue of early marriage among Indonesian adolescents, this study proposes a virtual counseling chatbot that classifies emotional cues in text using a fine-tuned IndoRoBERTa model. The emotion classification framework is designed to support counseling-based prevention efforts by moving beyond basic sentiment analysis and adopting five functional emotional categories such as ‘Enthusiastic’, ‘Gentle’, ‘Analytical’, ‘Inspirational’, and ‘Cautionary’ to align with psychological counseling styles. Built on fine-tuned IndoRoBERTa architecture, the model was trained in two phases: first with 2,500 manually validated samples yielding 92.8% accuracy, and then with 12,500 auto-labeled entries, resulting in 91.3% accuracy. Performance was assessed using accuracy, precision, recall, and F1-score. A gesture mapping layer was also integrated to enhance empathetic response generation. Each emotion label was paired with a predefined body gesture, grounded in counseling theory, to support future development of multimodal virtual agents capable of expressing emotions both textually and physically. The novelty lies in combining context-aware emotion classification with gesture mapping, enabling future development of expressive, culturally relevant, and empathetic virtual chatbot agents.
Mapping Facial Expressions Based on Text for Virtual Counseling Chatbot Using IndoBERT Model Padilah, Rifki; Wijaya, Rifki; Shaufiah, Shaufiah
Jurnal Teknik Informatika (Jutif) Vol. 6 No. 5 (2025): JUTIF Volume 6, Number 5, Oktober 2025
Publisher : Informatika, Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52436/1.jutif.2025.6.5.5039

Abstract

Early marriage in Lombok remains a serious issue, with a prevalence rate of 16.59% in 2021, the second highest in Indonesia. Limited access to counseling services, especially in rural areas, poses a significant prevention challenge. This study developed a virtual counseling chatbot system capable of mapping text-based emotions to facial expressions to improve the effectiveness of counseling for early marriage prevention. The methodology involved training an IndoBERT model on a synthetic dataset to analyze conversation texts. The model was designed to classify user input into five functional emotion categories: Enthusiasm, Gentleness, Analytical, Inspirational, and Cautionary. Performance evaluation revealed that the IndoBERT model achieved an outstanding accuracy of 94% in its final phase. This result significantly surpassed other models evaluated, such as CNN (71.6%) and KNN (79%), confirming the superiority of the chosen approach The study concludes that the high-accuracy IndoBERT model is a robust foundation for empathetic virtual agents. This research provides a significant contribution to the fields of Affective Computing and Human-Computer Interaction by demonstrating an effective framework for mapping nuanced, functional emotions from Indonesian text to facial expressions. The proposed system not only offers a scalable technological solution for mental health challenges like early marriage prevention but also highlights the impact of advanced, context-aware NLP models in creating more human-like and empathetic user interactions.
Co-Authors Bening Suryani Pratiwi Boby Siswanto Citra Pangestu Dea Delvia Arifin Defrianda Rizky Pranata Defrianda Rizky Pranata Didin Kristinawati, Didin Dwiaji Nuraryudha Dwiaji Nuraryudha Eri Angga Pradana Fahrizal Masyhur Fahrizal Masyhur Fairuz Ahmad Hirzani Fairuz Ahmad Hirzani Faizal Hendyansyah Khrisdian Fatiya Arifah Fatiya Arifah Fauziah, Husna Firizqy Ramadhana Nasution Fitriyani Fitriyani Fitriyani, Firtriyani Garnis Berliana Gde Surya Pramartha Gusti Ngurah Diva Adwitya Hetti Hidayati Ibnu Asror Imelda Atastina Indra Lukmana Sardi Kartika Eka Riyanti Putri Kemas Rahmat Saleh Wibowo Kemas Rahmat Saleh Wiharja Ludwika Hermawan Madina Ulfa Mahmud Imrona Mira Kania Sabariah Moc. Arif Bijaksana Moch Arif Bijaksana Moh. Mahsus Monterico Adrian Muhammad Adib Imtiyazi Muhammad Budi Hartanto Muhammad Fakhri Ar-Razi Nadya Eka Putri Permadi Natasya Mulyono Naziah Amalia Nungki Selviandro Nurul Ikhsan P, Shinta Yulia Padilah, Rifki Raden Mochamad Rizky Raden Mochamad Rizky Ramadhan, Adam Zahran Renny Sukawati Ricky Kristian Butar Butar Rifki Wijaya Rio Pratama Rizal, M. Fahru Rochmawati, Rochmawati Satria. P, Villy Satrio Prasojo Selvia Yulvairariany Shinta Yulia Puspitasari Siti Sa'adah Siti Sa’adah Tegar Graha Adiwiguna The Liong Vero Arneal Octora Veronikha Effendy Yudhono, Efwandha ZK Abdurahman Baizal