Research ArticleOpen accessIn the abstractOntology Based Knowledge Management System Design for Organic FarmingMuqeem Ahmed, Afrah Fathima, Mohammad Islam et al.In the current agricultural system, information is often gathered manually, and farmers make decisions based on their judgment. Occasionally, they seek advice from experts and extension officers. Numerous information systems have recently emerged, offering insights into organic farming practices. However, this information is dispersed across various contexts, formats, and media on the Internet, making it challenging to access. Utilizing ontology … …Journal of Computer Science, Vol. 22, Issue 3 · 25 Mar 2026 · 1,436 accessesView PDFCite
Research ArticleOpen accessIn the abstractUnveiling the Performance: A Comparative Study of HMAC and RSA Encryption on SHA-512Louis Leonardo, RojaliThe study evaluates critical operations including token signing, verification, and decoding, as well as data transfer efficiency, utilizing the jsonwebtoken library. By benchmarking these operations, we provide insights into the trade-offs between symmetric (HMAC) and asymmetric (RSA) encryption methods, highlighting their impact on performance and security. The results serve as a guideline for developers to make informed decisions when choosing … …Journal of Computer Science, Vol. 21, Issue 12 · 22 Jan 2026 · 1,788 accessesView PDFCite
Research ArticleOpen accessIn the abstractUsability Assessment of E-Commerce Systems Using McCall’s Quality ModelSiti Solehah Othman, A Noraziah, Roslina Mohd SidekE-commerce platforms rely fundamentally on business database transaction systems that must balance user experience with security and data integrity. Traditional usability assessment methodologies often overlook critical security elements and transactional integrity requirements. This study employs McCall's Quality Model to comprehensively evaluate the usability characteristics of three prominent e-commerce platforms: Temu, Shopee, and Lazada. Through structured task-based evaluations and Likert-scale questionnaires, … …Journal of Computer Science, Vol. 21, Issue 11 · 19 Dec 2025 · 2,541 accessesView PDFCite
Research ArticleOpen accessIn the abstractBoosting User Engagement in Ticketing System Through Gamification in IndonesiaFernandez, Willis Tan, Steven Lie, Sugiarto HartonoThe rapid growth of mobile applications in Indonesia, exemplified by the rise from 7.31 billion downloads in 2021 to 7.56 billion in 2023, poses a significant challenge in retaining user engagement post-download. This study explores how gamification can enhance user engagement in ticketing applications. Using the Self-System Model of Motivational Development (SSMMD), we investigate the influence of gamification elements achievement, … …Journal of Computer Science, Vol. 21, Issue 8 · 12 Oct 2025 · 2,454 accessesView PDFCite
Research ArticleOpen accessIn the abstractSentiment Analysis on User Reviews of Snapchat in IndonesiaEvaristus Didik Madyatmadja, Brigita Christabel Surya Winata, Evelyn Pradhan et al.This research explores the sentiment expressed in Snapchat user reviews within the Indonesian context, leveraging advanced natural language processing techniques and classification models. With a focus on the Indonesian user base, 8,015 reviews from the Google Play Store were analyzed using naive bayes, Support Vector Machines (SVM), and random forest models. The results indicated that the random forest model outperformed … …Journal of Computer Science, Vol. 21, Issue 1 · 2 Jan 2025 · 5,591 accessesView PDFCite
Research ArticleOpen accessIn the abstractFuzzy Logic-Based Quantification of Usability Expectation for M-Commerce Mobile Application by Using GQM and ISO 9241-11Manish Mishra, Reena DadhichFuzzy logic-based quantification of usability expectation for an m-commerce mobile application is a process of measuring the usability of a mobile application by using fuzzy logic principles. The usability of any mobile application is used to find out the user experience of the mobile application by analyzing the user's expectations and preferences. Fuzzy logic always be the optimal choice for … …Journal of Computer Science, Vol. 20, Issue 1 · 24 Nov 2023 · 6,209 accessesView PDFCite
Research ArticleOpen accessIn the abstractAssessing Students' Perceptions of Mobile Applications Usability using System Usability ScaleMohammed Hameed AfifThe purpose of this study is to explore the usability level of the mobile application from the perspectives of students at higher education institutes by using the most used measure of perceived usability, namely, the System Usability Scale (SUS). Furthermore, the study investigated the effect of some of the students’ demographic attributes on mobile application usability. Results revealed that the … …Journal of Computer Science, Vol. 19, Issue 1 · 3 Jan 2023 · 7,893 accessesView PDFCite
Research ArticleOpen accessIn the abstractDiminishing Lagoon Services in the Era of Urbanization: A Case of Muni-Pomadze Lagoon in GhanaJohn Aloba Atubiga, Eric DonkorTheMuni lagoon is among the six internationally recognized coastal wetlands(Ramsar site) under the convention on wetlands because of the role it playswhich promoting human livelihood development and the ecosystem. The period of urbanization has resulted in the encroachment ofthe lagoon leading to the decline of its services. This study investigates thediminishing lagoon services as a result of urbanization, using the … …Journal of Social Sciences, Vol. 18, Issue 1 · 27 Aug 2022 · 6,214 accessesView PDFCite
Research ArticleOpen accessIn the abstractFactors Influencing Intention to use the COVID-19 Contact Tracing ApplicationVinh T. Nguyen, Chuyen T. H. NguyenDue to the emergence of the COVID-19 pandemic, governments have implemented several urgent steps to minimize the disease’s effect and transmission. Supportive measures to trace contacts and warn people infected with COVID-19 were also implemented such as the COVID-19 contact tracing application. This study investigated the effects of variables influencing the intention to use the COVID-19 tracker. The extended Unified … …Journal of Computer Science, Vol. 18, Issue 6 · 11 Jun 2022 · 6,769 accessesView PDFCite