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All Journal International Journal of Electrical and Computer Engineering Bulletin of Electrical Engineering and Informatics Abimanyu: Journal of Community Engagement Journal of Informatics and Computer Science (JINACS) ICONESTH Jurnal Pengabdian Masyarakat dan aplikasi Teknologi Jurnal Ilmu Ekonomi, Pendidikan dan Teknik (IDENTIK) Journal of Emerging Information Systems and Business Intelligence (JEISBI)
Ghea Sekar Palupi
Universitas Negeri Surabaya
Religion Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Mathematics Neuroscience Nursing Public Health Social Sciences Other

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Fear of missing out during a pandemic: the driving factors of telemedicine application acceptance Muhammad Noor Fakhruzzaman; Ghea Sekar Palupi; Thinni Nurul Rochmah
Bulletin of Electrical Engineering and Informatics Vol 11, No 4: August 2022
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v11i4.3848

Abstract

COVID-19 pandemic changed how society behaves. Travel and social restrictions, commonly associated with the term lockdown became popular and ubiquitous. Given the rise of gig economy and mobile app delivery in the past several years, combined with lockdowns during the pandemic, and the application of telemedicine becomes essential. Halodoc is one of the popular telemedicine applications in Indonesia, having several useful features such as text-based doctor consultation and prescription drug order-delivery, and Halodoc is easily preferred by many. This article explored the motivation behind using Halodoc as the preferred method of getting health service during the pandemic, behind the perceived usefulness and perceived ease of use of the application, we found that fear of missing out (FOMO) has an indirect role in the application adoption in society, especially during lockdowns, where social interaction is limited to social media and other internet-based platforms. The reason why FOMO can be an important factor in technology adoption and how advertisers should explore FOMO is further discussed.
Studi Penelusuran Alumni Prodi Sistem Informasi Jurusan Teknik Informatika Universitas Negeri Surabaya Ghea Sekar Palupi; Aries Dwi Indriyanti
Journal of Informatics and Computer Science (JINACS) Vol 3 No 02 (2021)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (456.108 KB) | DOI: 10.26740/jinacs.v3n02.p165-170

Abstract

Abstrak— Relevansi dan kesesuaian yang baik antara program studi di pendidikan tinggi sebagai penyedia sumber daya manusia dan dunia kerja sebagai penyedia lapangan kerja merupakan salah satu aspek keberhasilan implementasi kurikulum program studi. Namun, pada kenyataannya masih banyak para lulusan perguruan tinggi bekerja tidak sesuai dengan kompetensi yang didapatkan selama kuliah. Untuk meneliti seberapa besar tingkat lulusan program studi terserap dalam dunia kerja dapat dilakukan sebuah upaya penelusuran terhadap para lulusannya yang disebut dengan tracer study. Penelitian ini dilakukan pada alumni Program Studi Sistem Informasi Jurusan Teknik Informatika Universitas Negeri Surabaya dengan tahun lulus 2019-2020 dan pengguna alumni. Tujuan penelitian ini adalah untuk melihat kompatibilitas antara kompetensi yang dimiliki oleh lulusan Program Studi Sistem Informasi Jurusan Teknik Informatika Universitas Negeri Surabaya dengan ekspektasi pengguna lulusan. Harapannya, hasil dari penelitian ini dapat digunakan sebagai rekomendasi untuk meningkatkan mutu pelayanan pendidikan di Program Studi Sistem Informasi Jurusan Teknik Informatika Universitas Negeri Surabaya. Metode penelitian ini adalah survei secara online dengan pendekatan analisis deskriptif kuantitatif. Kata Kunci— tracer study, alumni, relevansi, kurikulum, sistem informasi, program studi
Indonesian pharmacy retailer segmentation using recency frequency monetary-location model and ant K-means algorithm Ghea Sekar Palupi; Muhammad Noor Fakhruzzaman
International Journal of Electrical and Computer Engineering (IJECE) Vol 12, No 6: December 2022
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v12i6.pp6132-6139

Abstract

We proposed an approach of retailer segmentation using a hybrid swarm intelligence algorithm and recency frequency monetary (RFM)-location model to develop a tailored marketing strategy for a pharmacy industry distribution company. We used sales data and plug it into MATLAB to implement ant clustering algorithm and K-means, then the results were analyzed using RFM-location model to calculate each clusters’ customer lifetime value (CLV). The algorithm generated 13 clusters of retailers based on provided data with a total of 1,138 retailers. Then, using RFM-location, some clusters were combined due to identical characteristics, the final clusters amounted to 8 clusters with unique characteristics. The findings can inform the decision-making process of the company, especially in prioritizing retailer segments and developing a tailored marketing strategy. We used a hybrid algorithm by leveraging the advantage of swarm intelligence and the power of K-means to cluster the retailers, then we further added value to the generated clusters by analyzing it using RFM-location model and CLV. However, location as a variable may not be relevant in smaller countries or developed countries, because the shipping cost may not be a problem.  
Employment Outcomes of Information Systems Graduates: A Correlation Study on Job Search Timing, Income, and Institutional Influence Ghea Sekar Palupi; Choirotus Sa’adah; Ardhini Warih Utami
International Conference on Education, Science, Technology and Health (ICONESTH) 2024: The 2nd ICONESTH
Publisher : International Conference on Education, Science, Technology and Health (ICONESTH)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46244/iconesth.vi.321

Abstract

This study examines the correlation between various factors—such as age, job waiting time, and initial salary—among alumni of the Information Systems program at the State University of Surabaya (UNESA) who graduated between 2022 and 2024. By analysing alumni tracer data, this research aims to uncover how these variables influence early career success and progression, offering insights into the factors that shape graduates' job market experiences. Key areas of focus include the relationship between alumni age and job search duration, the impact of job waiting time on starting salary, and how continuous skill development contributes to career advancement. Additionally, the study explores how initial salary correlates with job satisfaction, providing a deeper understanding of financial expectations and early career fulfilment. The findings are expected to inform UNESA's curriculum enhancements and support services by highlighting the educational experiences and career strategies that align with positive employment outcomes. Ultimately, this study aims to empower UNESA in delivering targeted alumni support and refining educational pathways that respond effectively to evolving industry demands, fostering sustainable career success and satisfaction among graduates.
Factors Influencing Student Acceptance of SIDIA E-Learning Akbar Rizqi Alrowayyan; Ghea Sekar Palupi
Journal of Emerging Information Systems and Business Intelligence (JEISBI) Vol. 7 No. 1 (2026): Vol. 07 Issue 01
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jeisbi.v7i1.75295

Abstract

Digital learning platforms are widely utilized in higher education to support academic activities, yet student engagement with these systems often varies across contexts. Understanding the factors that shape continued usage therefore becomes essential. This study explores student interaction with the Sinau Digital Universitas Negeri Surabaya (SIDIA) e-learning platform by examining both user-related perceptions and system-related characteristics. Data were obtained from undergraduate students who had prior experience using SIDIA for at least one academic semester, and a quantitative analytical approach was applied. The relationships among the observed variables were evaluated using Partial Least Squares–Structural Equation Modeling (PLS-SEM). The results demonstrate that expectations regarding system usefulness and ease of operation, along with social and environmental support, contribute to the formation of user satisfaction. In addition, the quality of the system, the information it delivers, and the services supporting it play an important role in strengthening satisfaction levels. User satisfaction is further shown to influence students’ intention to continue using the platform and their actual engagement with the system. These findings indicate that satisfaction functions as a key connecting mechanism between user perceptions, system attributes, and sustained utilization of e-learning services. The study offers insights for higher education institutions in developing and managing digital learning systems that promote long-term use and effective learning support.
Customer Loyalty through Satisfaction in Bank Jago: A TAM Based Approach with Trust, Security, and Risk Perceptions Jauza Audy Safitri; Ghea Sekar Palupi
Journal of Emerging Information Systems and Business Intelligence (JEISBI) Vol. 7 No. 1 (2026): Vol. 07 Issue 01
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jeisbi.v7i1.72122

Abstract

The rapid growth of digital banking services has encouraged users to shift toward applications that offer convenience and efficiency, such as Bank Jago. However, the account breach incident in July 2024 raised concerns about application security and potentially affected customer satisfaction and loyalty. This study aims to analyze the factors influencing customer satisfaction and their impact on customer loyalty in the Bank Jago application. The research model adopts the Technology Acceptance Model (TAM), incorporating core constructs—Perceived Ease of Use (PEOU) and Perceived Usefulness (PU)—along with additional variables: Perceived Trust (PT), Perceived Security (PS), and Perceived Risk (PR). Customer Satisfaction (CS) serves as the mediating variable, while Customer Loyalty (CL) is the dependent variable. Data were collected from 238 respondents and analyzed using Structural Equation Modeling (SEM) with SmartPLS. The results show that PEOU, PU, and PT have a positive and significant influence on CS, whereas PS and PR do not have a significant effect. Furthermore, CS has a positive and significant influence on CL. These findings highlight the extended TAM framework in explaining digital banking behavior and emphasize the crucial role of user satisfaction in driving customer loyalty.
Implementation of Business Process Reengineering for Efficiency of Raw Material Procurement and Inventory Management at CV Jaya Mitra Chemical Adinda Nabila Firnanda; Ghea Sekar Palupi
Journal of Emerging Information Systems and Business Intelligence (JEISBI) Vol. 7 No. 1 (2026): Vol. 07 Issue 01
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jeisbi.v7i1.73835

Abstract

CV. Jaya Mitra Chemical is a company engaged in the sale and purchase of chemical products, providing chemicals (chemical maintenance) for industry, shipping, shipbuilding, and offshore oil drilling. The main problem faced is closely related to the length of the cycle time in the business process, particularly in the procurement and management of chemical raw material supplies. This research was conducted to implement Business Process Reengineering at CV Jaya Mitra Chemical to optimize the company's cycle time efficiency by identifying and correcting weaknesses in the business processes of procurement and management of raw material supplies and to determine the percentage increase in the company's cycle time efficiency resulting from the implementation of Business Process Reengineering in the procurement and management of raw material supplies at CV. Jaya Mitra Chemical. The business process reengineering (BPR) process was assisted by BPMN, value-added analysis, and root cause analysis (fishbone diagram), followed by To-Be modelling using a heuristic redesign approach. After implementing BPR in the procurement and management of raw material inventory (using the CV Delivery Section as the collection method), the average business process cycle time decreased from 3 hours 11 minutes 37 seconds to 1 hour 56 minutes 7 seconds, which means that efficiency increased by 39.4% CTE. There was a reduction in time of 1 hour 15 minutes 30 seconds. Then, in the Procurement and Management of Raw Material Inventory Process (using Gosend courier services), the average business process cycle time decreased from 3 hours 9 minutes 11 seconds to 2 hours 18 minutes 42 seconds, which means efficiency increased by 26.7% CTE and experienced a time reduction of 50 minutes 29 seconds.
Information Security Risk Assessment Using ISO/IEC 27005:2018 in Internet Service Provider Company Muhammad Atho'ullah Aziman; Ghea Sekar Palupi
Journal of Emerging Information Systems and Business Intelligence (JEISBI) Vol. 7 No. 1 (2026): Vol. 07 Issue 01
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jeisbi.v7i1.74072

Abstract

Information security is a critical concern for Internet Service Provider companies due to their high dependency on information systems and customer data. PT XYZ has not yet conducted a formal information security risk analysis, despite its plan to prepare for ISO/IEC 27001 certification. This study aims to assess information security risks at PT XYZ using the ISO/IEC 27005:2018 framework and to formulate appropriate risk mitigation recommendations. This research adopts a qualitative descriptive approach with a case study method. Data were collected through literature studies, interviews, and direct observations of information assets, business processes, and existing security controls at PT XYZ. The risk analysis process includes context establishment, identification of critical assets based on confidentiality, integrity, and availability principles, identification of threats and vulnerabilities, risk analysis using likelihood and impact parameters, risk evaluation, and the development of risk treatment plans. The results indicate that out of 27 identified information assets, 24 assets are classified as critical. Several identified risks are categorized as high and very high, which may significantly affect the continuity of the company’s core services, including internet connectivity, web hosting, and Domain Name System services. Based on these findings, risk mitigation recommendations are proposed with reference to ISO/IEC 27002:2022 security controls. This study is expected to support PT XYZ in strengthening its information security posture and to serve as an initial step toward achieving ISO/IEC 27001 certification.
EXPLORATORY FACTOR ANALYSIS OF USER LOYALTY FACTORS IN LIVIN' BY MANDIRI MOBILE BANKING APPLICATION Muhammad 'Athallah Hira Valensi; Ghea Sekar Palupi
Journal of Emerging Information Systems and Business Intelligence (JEISBI) Vol. 7 No. 2 (2026): Vol. 07 Issue 02
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jeisbi.v7i2.75711

Abstract

The rapid growth of digital banking in Indonesia, particularly mobile banking applications, has transformed consumer behavior in financial transactions. Livin' by Mandiri, Bank Mandiri's flagship mobile banking application, serves over 20 million active users. However, service disruptions such as login difficulties, transaction delays, and system instability have been reported, potentially affecting user satisfaction and loyalty. This study aims to identify the latent factors that shape user loyalty toward Livin' by Mandiri using Exploratory Factor Analysis (EFA). Data were collected from 100 active users in East Java through an online questionnaire measuring perceived usefulness, perceived ease of use, security and trust, user experience, system and service quality, and loyalty. The EFA results revealed four dominant factors with eigenvalues greater than 1.0: Usefulness and Behavioral Loyalty (eigenvalue=6.107, 33.9% variance), Ease of Use and Security-Trust (eigenvalue=1.447, 8.0% variance), System Performance and Service Reliability (eigenvalue=1.264, 7.0% variance), and User Experience (eigenvalue=1.123, 6.2% variance). These four factors collectively explained 55.1% of the total variance. After Promax rotation, the variance distribution became more balanced at 54.8%. The findings indicate that perceived usefulness integrated with behavioral loyalty is the most dominant factor, followed by ease of use combined with security perceptions. These results provide strategic insights for Bank Mandiri to enhance service quality, strengthen system stability, and maintain long-term user loyalty in a highly competitive digital banking landscape.
Implementasi Sistem Informasi Perpustakaan pada Sekolah Indonesia Davao Filipina Menggunakan CMS SLiMS Bonda Sisephaputra; I Kadek Dwi Nuryana; Aries Dwi Indriyanti; Ghea Sekar Palupi
Abimanyu : Jornal of Community Engagement Vol 6 No 2 (2025): August 2025
Publisher : Universitas Negeri Surabaya

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

Abstract

This community service aims to develop a Library Information System at Indonesian School of Davao, Philippines, to improve the efficiency of library management and the accessibility of learning resources for students and teachers. The system was built using the Content Management System (CMS) SLiMS, an open-source platform designed for managing library operations digitally, including inventory recording, book lending, and returns. In implementing this Community Service Program (PKM), the methods used to address the problems at Indonesian School of Davao (SID) were the Diffusion of Science and Technology (Ipteks) and Training. This activity also involved continuous evaluation to ensure the success of the program. The results showed increased efficiency in library management, easier access to information, and improved skills of library staff in using CMS SLiMS. In conclusion, the application of information technology through CMS SLiMS in the library of Indonesian School of Davao has contributed positively to enhancing the teaching and learning process.
Co-Authors Adinda Nabila Firnanda Akbar Rizqi Alrowayyan Anggraeni Widya Purwita Ardhini Warih Utami Aries Dwi Indriyanti Bonda Sisephaputra Choirotus Sa’adah Fakhruzzaman, Muhammad Noor Hendrik Susilo I Kadek Dwi Nuryana, I Kadek Dwi Jauza Audy Safitri Muhammad 'Athallah Hira Valensi Muhammad Atho'ullah Aziman Rahadian Bisma Reisya Nasywa Rahmadina Thinni Nurul Rochmah