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Journal : International Journal Software Engineering and Computer Science (IJSECS)

Automatic Purchase Order Classification Using SVM in POS System at Skus Mart Lestari, Sri; Nadip, Muhamad Zaeni; Akbar, Yuma; Hidayat, Aditya Zakaria; Aula, Raisah Fajri
International Journal Software Engineering and Computer Science (IJSECS) Vol. 5 No. 2 (2025): AUGUST 2025
Publisher : Lembaga Komunitas Informasi Teknologi Aceh (KITA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35870/ijsecs.v5i2.4564

Abstract

In retail business processes, decision-making regarding Purchase Order PO submissions often remains manual and subjective, creating risks that impede procurement efficiency. The study develops an automatic classification model to predict PO approval status using Support Vector Machine SVM algorithm integrated within Point of Sale POS systems. Historical purchase transaction data was obtained from SKUS Mart POS database containing 133 entries, including attributes such as item quantity, purchase price, previous stock levels, and total purchase amounts. The research applies CRISP-DM methodology, encompassing business understanding, data exploration, preprocessing normalization using StandardScaler, model training, evaluation, and deployment phases. The model was trained using linear kernel and validated through holdout technique with 80:20 ratio for training and testing. Test results demonstrate that the SVM model achieves 76.69% accuracy, 82.21% precision, 76.69% recall, and 78.51% F1-score. The model was implemented in a web-based POS system CodeIgniter 3 combined with Python scripts to generate automatic classifications displayed directly in the user interface. Although the model demonstrates adequate performance, the study has not compared its effectiveness against other machine learning algorithms such as Random Forest or K-Nearest Neighbor. These findings establish initial groundwork for machine learning integration to support decision automation in procurement systems.
Implementation of Decision Support System for Seed Award Recipient Student Selection at Madrasah Ibtidaiyah Baiturrahman, Bandung, West Java Azzahra, Salma Latifa; Aula, Raisah Fajri; Putri, Nadiya Herdiana
International Journal Software Engineering and Computer Science (IJSECS) Vol. 5 No. 2 (2025): AUGUST 2025
Publisher : Lembaga Komunitas Informasi Teknologi Aceh (KITA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35870/ijsecs.v5i2.4604

Abstract

The selection process for Seed Award recipients at Madrasah Ibtidaiyyah Baiturrahman Bandung encounters challenges related to subjective assessment and perceived inequity. The evaluation system applies uniform criteria across all students from grades 1 to 6 without accounting for developmental differences between grade levels. To address these issues, we designed and implemented a web-based Decision Support System utilizing the VIKOR method. We selected VIKOR for its ability to generate optimal compromise solutions in multi-criteria problems involving conflicting considerations. The DSS employs four primary criteria: Religious Practice 20%, Character 20%, Discipline 20%, and Grade Level 40%, with the latter formulated as a cost criterion to ensure fairness across educational levels. We built the system using Laravel framework and tested it with 17 teachers and 20 students as trial participants. Implementation results demonstrate substantial improvements in selection objectivity, evidenced by increased representation of lower-grade students from grades 1 to 2 as award recipients from 18% to 42%. Furthermore, 94% of teachers reported the system as more objective and user-friendly, 75% of students expressed increased motivation following system deployment, and parental complaints were eliminated previously ranging from 5 to 7 cases per semester. These findings indicate that VIKOR-based DSS successfully establishes fairer, more transparent, and accountable selection processes while enhancing stakeholder confidence in evaluation mechanisms within madrasah environments.
Implementation of a Chatbot Using the Waterfall Method to Improve Helpdesk Service Efficiency at IT Consulting Companies Lestari, Sri; Aprillia, Eka Putri; Aula, Raisah Fajri
International Journal Software Engineering and Computer Science (IJSECS) Vol. 5 No. 3 (2025): DECEMBER 2025
Publisher : Lembaga Komunitas Informasi Teknologi Aceh (KITA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35870/ijsecs.v5i3.5207

Abstract

PT XYZ is a company engaged in information and communication technology services, supporting customers' digital transformation. The effectiveness of helpdesk services plays a crucial role in maintaining operations and fostering customer relationships. However, the issue reporting process is still handled manually through platforms such as WhatsApp and email, causing several problems, including inefficient ticket management, delays in ticket number assignment, and limited historical data. This study developed a chatbot based on Microsoft Copilot Studio to automate ticket creation, supported by Power Apps to address the lack of two-way communication features, aiming to support Customer Relationship Management (CRM) efforts. The system was developed using Waterfall methodology. The results showed significant improvements in service efficiency: the previous average initial response time of 2 days, 19 hours, and 13 minutes was eliminated due to automatic ticket number assignment; the average issue resolution time decreased from 5 days, 6 hours, and 20 minutes to 42 minutes; and ticket history search time improved from 14 minutes to 2 seconds. The chatbot successfully accelerated the reporting process, enhanced data recording, and reduced the workload of the helpdesk team. This solution significantly improved helpdesk efficiency and strengthened customer engagement.