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Lubis, Hendarman -
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Computer Science & IT Education Electrical & Electronics Engineering Languange, Linguistic, Communication & Media Mathematics

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SISTEM PAKAR DIAGNOSIS CORONA VIRUS “ViroCHECK” MENGGUNAKAN ALGORITMA DECISION TREE Lubis, Hendarman -; Temartenan, Jecklyn Shindy; Faizah, Safira
TRANSFORMASI Vol 21, No 2 (2025): TRANSFORMASI
Publisher : STMIK BINA PATRIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56357/jt.v21i2.444

Abstract

The rapid spread of the virus, with symptoms ranging from mild to severe, makes early diagnosis and detection crucial in preventing and controlling the spread of this disease. Limited laboratory testing capacity, especially in areas with minimal healthcare facilities, requires a system capable of facilitating early identification based on symptoms and patient history, quickly, accurately, and efficiently. One approach is an expert system. The "ViroCheck" Coronavirus Diagnosis Expert System was developed using the Design Thinking Method. This expert system aims to assist users in diagnosing possible Coronavirus infection based on symptoms experienced. The decision-making process uses a Decision Tree algorithm, which is able to classify diagnostic results based on training data from previous cases. Problem analysis uses SWOT analysis, feasibility analysis uses TELOS analysis, and testing uses Usability Heuristic indicators that can observe user activity. The test results were 87%, proving that the designed digital startup has met user needs.Keywords: Expert System, Coronavirus, Decision Tree, Design Thinking, SWOT, TELOS, Usability Heuristic
PERANCANGAN UI/UX START UP “PETS KITA” MENGGUNAKAN METODE USER CENTER DESIGN DAN ANALISIS GSTALT Lubis, Hendarman -; Salman, Salman; Faujiyah, Firdhani
TRANSFORMASI Vol. 22 No. 1 (2026): TRANSFORMASI
Publisher : STMIK BINA PATRIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56357/31snhk43

Abstract

This study aims to design the User Interface (UI) and User Experience (UX) of the startup application “Pets Kita” by integrating the User-Centered Design (UCD) method and Gestalt principles. The rapid growth of the pet care industry in Indonesia highlights the need for a digital platform that provides integrated services, including pet healthcare, e-commerce, and community interaction. However, many existing applications suffer from poor usability and non-intuitive navigation. This research adopts a UCD approach consisting of four main stages: understanding the context of use, specifying user requirements, producing design solutions, and evaluating designs. Data were collected through observation and in-depth interviews with pet owners, followed by the development of user personas and user journey maps. The design process utilized Figma to create wireframes and high-fidelity prototypes, while Gestalt principles such as proximity, similarity, continuity, and closure were applied to enhance visual perception and usability. The evaluation phase employed usability testing and heuristic evaluation, resulting in an overall usability score of 83%, indicating that the proposed design meets user needs effectively. The findings demonstrate that integrating UCD and Gestalt principles can significantly improve usability, user satisfaction, and interaction efficiency. This study contributes to the development of user-friendly digital platforms in the pet care industry and provides a practical framework for UI/UX design in startup environments. Keywords: UI/UX, User-Centered Design, Gestalt, Startup, Pets Kita.
Co-Authors Faizah, Safira Faujiyah, Firdhani Salman Salman Temartenan, Jecklyn Shindy