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All Journal Jurnal Armada Informatika Journal Mobile Technologies (JMS)
Berto Nadeak
Universitas Budi Darma
Computer Science & IT Control & Systems Engineering

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Implementation of the Apriori Algorithm to Identify Sales Patterns at YES 248 Store Damiana Desrimawarni Waruwu; Porlina Hulu; Berto Nadeak
Jurnal Armada Informatika Vol 10 No 1 (2026): Juni
Publisher : STMIK Methodist Binjai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36520/jai.v10i1.287

Abstract

YES 248 Store generates daily sales transaction data that have primarily been retained as administrative records, leaving relationships among products underutilized in decision-making. This study identifies consumer purchasing patterns by applying the Apriori algorithm to 20 transactions recorded in April 2026 and involving five products. The data were cleaned, product names were standardized, and each transaction was transformed into an itemset. The minimum support and minimum confidence thresholds were set at 30% and 60%, respectively. The analysis produced three frequent 1-itemsets: Milo Activ-Go with 80% support, 5Days Croissant Choco with 65%, and Ovaltine UHT with 45%. The combination of 5Days Croissant Choco and Milo Activ-Go achieved the highest pair support at 60%, whereas the three-product combination achieved 35% support. The highest-confidence rule was {5Days Croissant Choco, Ovaltine UHT} => {Milo Activ-Go} at 100%, while the strongest single-antecedent rule was 5Days Croissant Choco => Milo Activ-Go at 92.31%. These findings can support product bundling, shelf arrangement, and inventory prioritization. Nevertheless, the results remain exploratory because the number of analyzed transactions is limited.
Design Thinking-Based UI/UX Prototype for a Hospital Patient Registration Information System Laila Hasanah; Berto Nadeak; A.M. Hatuaon Sihite
Journal Mobile Technologies (JMS) Vol. 4 No. 2 (2026): September
Publisher : Divisi Riset, Lembaga Mitra Solusi Teknologi Informasi (L-MSTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59431/jms.v4i2.947

Abstract

The patient registration process is an important service in hospitals because it affects service efficiency and patient satisfaction. Although RSU Sari Mutiara Lubuk Pakam has implemented a patient registration system, several problems still occur, such as BPJS verification issues, inefficient queue management, and limited patient understanding of the registration process. This study aims to design a User Interface (UI) and User Experience (UX) prototype for a patient registration information system using the Design Thinking method. The research applied the five stages of Design Thinking: empathize, define, ideate, prototype, and test. Data were collected through observation, interviews, literature review, and questionnaires involving 50 respondents, including patients and registration staff. The prototype was designed using Figma and provides features such as patient type selection, BPJS and general patient verification, clinic and appointment scheduling, doctor schedule information, referral letter upload, e-ticket generation, and queue status monitoring. The prototype was evaluated using the System Usability Scale (SUS), resulting in an average score of 78.35. This score falls into the Acceptable category with a Grade B and an Excellent usability rating. The findings indicate that the proposed prototype is easy to use and can improve the efficiency and quality of the patient registration service at RSU Sari Mutiara Lubuk Pakam.
Co-Authors A.M. Hatuaon Sihite Damiana Desrimawarni Waruwu Laila Hasanah Porlina Hulu