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Somantri Somantri
Nusa Putra University
Computer Science & IT

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Interactive Webgis for Mapping and Monitoring Urban Drainage Systems Muhamad Adam; Somantri Somantri; Imam Sanjaya
bit-Tech Vol. 8 No. 2 (2025): bit-Tech
Publisher : Komunitas Dosen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32877/bt.v8i2.2918

Abstract

The development of infrastructure and changes in land use in urban areas increase surface runoff that cannot be properly managed, posing a flood risk if the drainage channel capacity is inadequate. To address the lack of an integrated information system for drainage monitoring, this study developed a WebGIS system based on Laravel, QGIS, and LeafletJS using the Rapid Application Development (RAD) approach. The system is designed to support the Department of Public Works and Spatial Planning (DPUTR) of Sukabumi City in monitoring and mapping the distribution and condition of drainage channels interactively and in real-time. The WebGIS integrates spatial data (Linestring geometry) and non-spatial data (condition attributes, length, and road location), and provides features such as search, condition filters, and elevation contour layers. System testing was conducted using the Black-box method and Lighthouse tools to assess functionality and performance. The results showed scores of 91 for accessibility, 79 for performance (mobile), 72 for best practices, and 92 for SEO, indicating a user-friendly interface that complies with web development standards. The system is considered effective in improving drainage infrastructure management, supporting spatial-based decision-making, and enhancing public information transparency. Therefore, this system serves as a replicable WebGIS model for other cities facing similar drainage management challenges.
Development of a Ton Blockchain-Based Online Donation System for Enhanced Transparency Zaenal Alamsyah; Somantri Somantri; Yoviar Pauzi
bit-Tech Vol. 8 No. 2 (2025): bit-Tech
Publisher : Komunitas Dosen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32877/bt.v8i2.2984

Abstract

Online donation platforms in Indonesia despite the nation’s leading position in the 2024 World Giving Index continue to suffer from low public trust due to insufficient transparency in fund management. This lack of verifiability creates opportunities for fraud and misuse, ultimately deterring donor participation. Addressing this challenge, the present study proposes a novel blockchain-based donation system built on The Open Network (TON), specifically designed to embed transparency, accountability, and trust directly into the donation process through decentralized mechanisms. Unlike previous platforms that rely on centralized fund tracking, this system integrates smart contracts programmed in the Tact language to automate and enforce donation logic without human intervention. Core functionalities include campaign creation, donation receipt, fund withdrawal, and balance transfers all of which are transparently recorded and publicly accessible on the blockchain. The system achieved 100% functional suitability and a 94% usability score, based on evaluations involving 36 participants, while all 14 smart contract unit test scenarios returned successful outcomes. These results highlight the platform’s robustness and user acceptance. By enabling tamper-proof transaction records and public verifiability through the TON Explorer, the proposed platform demonstrates strong potential for restoring donor trust and setting new standards for transparency in digital philanthropy. The study contributes both a practical system prototype and theoretical insights into blockchain’s role in reengineering trust within charitable ecosystems, offering a replicable model for future philanthropic technologies in Indonesia and beyond.
Co-Authors Imam Sanjaya Muhamad Adam Yoviar Pauzi Zaenal Alamsyah