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All Journal Tekno : Jurnal Teknologi Elektro dan Kejuruan Teknologi dan Kejuruan: Jurnal teknologi, Kejuruan dan Pengajarannya Proceeding of the Electrical Engineering Computer Science and Informatics JOIN (Jurnal Online Informatika) JOIV : International Journal on Informatics Visualization Jurnal Pendidikan (Teori dan Praktik) INTENSIF: Jurnal Ilmiah Penelitian dan Penerapan Teknologi Sistem Informasi Knowledge Engineering and Data Science Jurnal Ilmiah Flash Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control JITK (Jurnal Ilmu Pengetahuan dan Komputer) JTAM (Jurnal Teori dan Aplikasi Matematika) ILKOM Jurnal Ilmiah SENTIA 2016 MATRIK : Jurnal Manajemen, Teknik Informatika, dan Rekayasa Komputer JIPI (Jurnal Ilmiah Penelitian dan Pembelajaran Informatika) EDUMATIC: Jurnal Pendidikan Informatika TRIDARMA: Pengabdian Kepada Masyarakat (PkM) Community Development Journal: Jurnal Pengabdian Masyarakat Letters in Information Technology Education (LITE) Indonesian Journal of Instructional Media and Model Jurnal Pengabdian UNDIKMA Jurnal Teknik Informatika (JUTIF) Journal of Applied Data Sciences Jurnal Pendidikan dan Pembelajaran Indonesia (JPPI) Bulletin of Community Engagement Indonesian Journal of Innovation Studies Jurnal Nasional Teknik Elektro dan Teknologi Informasi Jurnal Informatika Teknologi dan Sains (Jinteks) JAPI: Jurnal Akses Pengabdian Indonesia JP (Jurnal Pendidikan) : Teori dan Praktik JURNAL PENGABDIAN PENDIDIKAN MASYARAKAT (JPPM) Journal of Artificial Intelligence and Digital Business Jurnal Pengabdian Masyarakat dan Riset Pendidikan Jurnal ilmiah teknologi informasi Asia Advance Sustainable Science, Engineering and Technology (ASSET) Systematic Literature Review Journal
Triyanna Widiyaningtyas
Universitas Negeri Malang
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Nursing Public Health Social Sciences Other

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Pengembangan SIBAKOS dengan Teknologi Live Preview Berbasis MyWebAR pada UMKM Barbershop di Lowokwaru Kota Malang Muhammad Ilham Ramdhani; Nabila Salsabila; Triyanna Widiyaningtyas; Heni Vidia Sari
Jurnal Pengabdian UNDIKMA Vol. 7 No. 2 (2026): May
Publisher : LPPM Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jpu.v7i2.18288

Abstract

This community service program aims to develop a website-based information system called SIBAKOS (Koko Salon Barbershop Information System) to address the operational problems of a barbershop MSME through online reservation and live preview features. The implementation methods included participatory system design, development of live preview and online reservation features, system implementation, functional testing using the black-box method, and direct training. Evaluation instruments consisted of field observations, interviews, and daily reservation data records, which were analyzed descriptively using quantitative methods. The results showed that SIBAKOS successfully facilitated the management of daily reservations through a structured system, reduced overlapping schedule cases from 5–7 cases per week to 1–2 cases per week, and improved operational efficiency by 78%. The live preview feature using MyWebAR provided visual references that facilitated communication between customers and salon staff, reducing consultation time by an average of 3–7 minutes per customer. System implementation demonstrated that SIBAKOS had a positive impact on Koko Salon by improving service quality and operational efficiency in the digital era.
Comparative Evaluation of BM25–FAISS and Small-LLM–GPT in Retrieval-Augmented Generation Concept Map Assessment Maskur Maskur; Didik Dwi Prasetya; Triyanna Widiyaningtyas; Azlan Mohd Zain
Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control Vol. 11, No. 1, February 2026
Publisher : Universitas Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/kinetik.v11i1.2594

Abstract

Concept map-based assessment is a practical approach to measure students’ conceptual understanding, but manual assessment still faces challenges such as subjectivity, inconsistency, and limited scalability. This study proposes the application of Retrieval-Augmented Generation (RAG) as an artificial intelligence-based automated assessment solution in an educational context. The objectives of this study are to compare the effectiveness of two retrieval methods, BM25 and FAISS, and to analyse the trade-off between large-scale generative models (GPT) and Small-LLM in assessing concept map propositions. This study uses a quantitative experimental approach by combining a retriever and a generator in the RAG system. Performance evaluation is carried out using the Macro-F1 and QWK metrics to measure agreement with expert judgment, and the Explanation Relevance Score (ERS) to assess explanation quality. The experimental results show that the FAISS–GPT combination achieves the best performance, with a Macro-F1 of 0.338 and a QWK of 0.146, slightly superior to the BM25–GPT combination. In contrast, the use of Small-LLM, both with BM25 and FAISS, showed lower performance with Macro-F1 values in the range of 0.167–0.221 and QWK close to zero. This finding confirms that semantic-based retrieval plays a vital role in improving the accuracy of automated assessment, while large-scale generative models are more effective in representing conceptual relationships in depth. This study contributes through a comparative analysis of retrievers and generators, and by introducing ERS as an additional metric for RAG-based automated assessment in the field of education.
SQL Logic Error Detection using Start End Mid Algorithm Ardiansyah, Jevri Tri; Wibawa, Aji Prasetya; Widiyaningtyas, Triyanna; Yasuhisa, Okazaki
Knowledge Engineering and Data Science
Publisher : citeus

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Database is an important part of a system and it stores data to be manipulated. SQL (Structured Query Language) is used for manipulating those data to extract information and make decision. There are two types of error which make SQL is challenging to learn, namely syntax error and logic error. Compiler can detect syntax error, but it does not show error warning while logical error occurred. It makes logic error more difficult to understand than syntax error. A web based SQL compiler with errors detection ability by using Start End Mid algorithm is then developed, To help database's user to learn SQL in practical implementation.
Digitalisasi Layanan Laundry: Implementasi Sistem Pemesanan dan Kasir Berbasis Web pada UMKM LBC Laundry Malang Alvin Bintang Abitara; Triyanna Widiyaningtyas; Heni Vidia Sari; Ahmad Reza; Adrian Juhari
Jurnal Pengabdian UNDIKMA Vol. 7 No. 3 (2026): August (IN PRESS)
Publisher : LPPM Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jpu.v7i3.21297

Abstract

This community service program aims to design and implement a web-based ordering and cashier system for LBC Laundry, an MSME in Malang, to improve operational efficiency, financial reporting accuracy, and information transparency for customers. The program was carried out through field observation, needs assessment using semi-structured interviews and Focus Group Discussions (FGDs) with the business owner, system design based on a user-centered design (UCD) approach, iterative system development using the MERN Stack framework with CRUD (Create, Read, Update, Delete) functionality, followed by training, mentoring, and evaluation. Quantitative data were analyzed using descriptive statistics by comparing key performance indicators before and after the program implementation. The results demonstrated an 80% improvement in transaction efficiency, with the average transaction time decreasing from 5 minutes to 1 minute per customer. In addition, data entry errors were reduced to zero throughout the one-month evaluation period, while the accuracy of financial reporting reached 100% through real-time reporting capabilities. The MSME owner provided positive feedback, indicating that the system simplified business operations and enhanced information transparency for customers. Furthermore, the system has the potential to be further developed into a mobile application to improve accessibility and support the long-term digital transformation of MSMEs.
Co-Authors - Ardiansyah, - Abdul Hadi, Afif Abdul Karim Abdullah Iskandar Syah Adam Ramadhani P Adiba Qonita Adrian Juhari Ahmad Farobi Ahmad Fuadi Ahmad Reza Aji P Wibawa Aji Prasetya Wibawa Ali, Waleed Alvin Bintang Abitara Annas Gading Pertiwi Ardiansyah, Jevri Tri Arif Mudi Priyatno Aya Shofia Mufti Azlan Mohd Zain Bambang Nurdewanto Bintang Romadhon Binti Afifah Brilliant, Muhammad Zidan Budi Wibowotomo Darwis, Herdianti Dasuki, Moh. Didik Dwi Prasetya Ega Gefrie Febriawan Elta Sonalitha Fadhlullah, Aufar Faiq Fadli Hidayat, M. Noer Falah, Moh Zainul Febrianto Alqodri Fitriyah Fitriyah Fitriyah Fitriyah Frendy Rumambi Gading Pertiwi, Annas Gamma Fitrian Permadi Hairani Hairani Hakkun Elmunsyah Haviluddin Haviluddin Hazizah, Chalista Yulia Heni Vidia Sari Heru Wahyu Herwanto Hirashima, Tsukasa I Made Wirawan Imansyah, Pranadya Bagus Indriana, Poppy Kornelius Kamargo/Irawan Dwi Wahyono Kornelius Kamargo Kurniawan, Rizky Rizaldi M. Ardhika Mulya Pratama M. Habibullah Arief M. Zainal Arifin Martin Indra Wisnu Prabowo Maryani, Sri Maskur Maskur Moh Zainul Falah Moh. Robieth Alfan Alhamid Mohamad Yusuf Kurniawan Muhammad Afnan Habibi Muhammad Firman Aji Saputra Muhammad Ilham Ramdhani Muhammad Iqbal Akbar Muhammad Jauharul Fuady Muhammad Rizki Irwanto Mulki Indana Zulfa, Mulki Indana Mulya Pratama, M. Ardhika Nabila Salsabila Nafalski, Andrew Natasya Titania Ramadhanti Nazhiroh Tahta Arsyillah Nurhidayati Okazaki Yasuhisa, Okazaki Pindo Tutuko Poppy Indriana Purnawansyah Purnawansyah Qonita, Adiba Raja, Roesman Ridwan Rendy Yani Susanto Rhomdani, Rohmad Wahid Rismayanti, Nurul Rizal, Muhammad Fatkhur Rosydah, Lucyta Qutsyaning Saifudin, Ilham Sari, Heni Vidia Satria Putra Pratama Setiadi Cahyono Putro Shandy Krisnawan Sihombing, Wesly M Siti Sendari Soenar Soekopitojo Soraya Norma Mustika Sri Farida Utami Suastika Yulia Riska Sucipto Sucipto Sucipto Sucipto Sucipto Sucipto Sujito Sujito Syaad Patmanthara Syamsul Arifin Utomo Pujianto Wahyu Caesarendra Wahyu Sakti Gunawan Wahyu Sakti Gunawan Irianto Wibawa, Aji P Wisnu Prabowo, Martin Indra Yogi Dwi Mahandi Yuniardini, Fatma