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All Journal Teknik: Jurnal Ilmu Teknik dan Informatika Teknik: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer Riwayat: Educational Journal of History and Humanities International Journal of Graphic Design
Yunianto, Irdha
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Arts Humanities Computer Science & IT Education Social Sciences

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Penggunaan Algoritma Apriori untuk Data Mining Penjualan Sepatu Brand Lokal Wahyudi, Wiwid; Bintang Daya, Rivoldy; Yunianto, Irdha
Jurnal Teknik Mesin, Elektro dan Ilmu Komputer Vol. 3 No. 2 (2023): Juli : Jurnal Teknik Mesin, Elektro dan Ilmu Komputer
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/teknik.v3i2.2031

Abstract

Penggunaan Data Mining pada Penjualan Sepatu Brand Lokal Menggunakan Algoritma Apriori merupakan sebuah penelitian yang bertujuan untuk menggali bagaimana data mining dapat digunakan untuk meningkatkan penjualan sepatu brand lokal. Penelitian ini menerapkan algoritma apriori untuk analisis data penjualan sepatu brand lokal dan menemukan pola yang membantu meningkatkan penjualan. Hasil penelitian ini menunjukkan bahwa dengan penerapan algoritma apriori dapat dijelaskan pola belanja agar berguna untuk penjualan sepatu brand lokal, seperti kombinasi produk yang sering dibeli bersama pelanggan atau waktu terbaik untuk menjual produk tertentu. Selain itu, penelitian ini juga mengungkapkan bahwa dengan menggunakan data mining, perusahaan dapat mengelola persediaan secara lebih efektif dan meramalkan permintaan pasar, sehingga dapat meminimalkan penjualan yang hilang dan meningkatkan keuntungan.
Designing User Experience for a Mobile Application for Agricultural Product Marketing Using the Human-Centered Design Method Yunianto, Irdha; Wahyudi, Wiwid
International Journal of Graphic Design Vol. 2 No. 2 (2024): IJGD : International Journal of Graphic Design
Publisher : University of Science and Computer Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/ijgd.v2i2.2123

Abstract

This research explores the application of Human-Centered Design (HCD) in developing a mobile application for agricultural product marketing, aiming to address critical challenges faced by farmers, such as limited market access and inconsistent internet connectivity. By involving farmers and consumers in each stage of the design process, the application was iteratively improved based on user feedback. The study implemented low-fidelity and high-fidelity prototyping, with five iterations of user testing to enhance usability, navigation, and accessibility. Results show a significant increase in task success rates, user satisfaction, and application efficiency, mainly by including offline features for users in areas with poor internet infrastructure. The study also highlights the effectiveness of HCD in adapting technology to local conditions, offering a practical solution that supports the digital transformation of the agricultural sector, particularly in rural areas. This research contributes to the literature by demonstrating that HCD can be effectively used to develop user-friendly applications that meet the specific needs of the agricultural community
Virtual Character Design as a Replacement for Female YouTuber Figures Linggar Mariela, Adeline; Hamdanu Budi Nurmana, Ayyub; Widiastuti, Santi; Yunianto, Irdha
Riwayat: Educational Journal of History and Humanities Vol 8, No 4 (2025): Oktober, Social Issues and Problems in Society
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jr.v8i4.49021

Abstract

The development of the digital entertainment industry has given rise to the phenomenon of Virtual YouTubers as a new form of digital character representation that is increasingly in demand by global audiences. This research aims to design the virtual character design of female YouTubers as a replacement for female YouTubers who are able to attract the attention of the audience while strengthening the promotion strategy. The method used is Research and Development (RD) with the stages of needs analysis, design design, as well as limited and field trials. Data was obtained through observation, questionnaires, and validation by experts and peers, then analyzed descriptively based on character design theory, parasocial interaction, and fan economy. The results show that the consistency of visual identity is still a major challenge, while the technical limitations of rigging hinder the expressiveness of animation. On the other hand, merchandising strategies are considered effective in strengthening audience loyalty, and multi-stakeholder validation improves aesthetic quality and design legality. The field test also showed audience satisfaction with animation and merchandise as promotional media. In conclusion, the developed Virtual YouTuber character design has the potential not only as an entertainment medium, but also as a strategic instrument in digital promotion and fandom-based monetization. This research makes a theoretical contribution to the study of brand personality and fan economy, as well as a practical contribution in the form of an RD-based development model that can be adopted by small agencies in the digital creative industry.
User-Centered Mobile Navigation: Evaluating Local Usability for Improved UX Yunianto, Irdha
Teknik: Jurnal Ilmu Teknik dan Informatika Vol. 5 No. 2 (2025): Oktober : Teknik: Jurnal Ilmu Teknik dan Informatika
Publisher : LPPM Sekolah Tinggi Ilmu Ekonomi - Studi Ekonomi Modern

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/teknik.v5i2.1028

Abstract

Mobile navigation interfaces continue to be plagued by a key usability problem, particularly when widely accepted design traditions fail to address the specific requirements and mental models of local user populations. This research addresses this significant limitation by using a comprehensive user-focused measurement framework to identify and investigate context-dependent navigation problems in mobile applications. The research employed a multi-method qualitative approach, using in-depth questionnaires, semi-structured interviews, and laboratory-based usability testing of 15 participants on an interactive Figma prototype that simulated real-world navigation tasks. Our analysis, step by step, revealed significant navigation issues in the local context, as evidenced by a 73% task-completion rate and an average participant error of 2.8 across the core navigation tasks. The most significant usability issues were ambiguous iconography, inconsistent application of platform design patterns, and insufficient system feedback mechanisms. The results conclusively demonstrate that localized usability testing is not merely beneficial but necessary while creating genuinely good and accessible mobile experiences. The study provides a replicable, practical context-aware evaluation approach and tangible, right-now-applicable design recommendations, such as enhancing icons with descriptive text labels and using instant visual feedback mechanisms. The study provides developers and designers with tangible takeaways for significantly enhancing navigation user experience without sacrificing methodological availability or implementation convenience across different development environments.
Co-Authors Bintang Daya, Rivoldy Hamdanu Budi Nurmana, Ayyub Linggar Mariela, Adeline Santi Widiastuti Wahyudi, Wiwid