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Public service institutions currently utilize digital technology to improve information accessibility for society. Satres PPA and PPO Polresta Banyumas has an important role in providing services, protection, and education related to violence cases against women and children. However, information regarding services, reporting procedures, and educational materials is still not fully accessible to the public. This study aims to design and develop a service and educational website for Satres PPA and PPO Polresta Banyumas using the Laravel framework. The research method used in this study is the Waterfall method, which consists of requirement analysis, system design, implementation, testing, and maintenance stages. The website was developed using Laravel, MySQL, and Bootstrap to support responsive interface design. The results show that the developed website is able to provide service information, educational articles, reporting procedures, and contact information effectively. System testing results indicate that all website features function properly according to user requirements. The website is expected to improve public access to information and increase awareness regarding the protection of women and children.

The development of digital technology and internet penetration are driving changes in consumer behavior and demanding that MSMEs not only adapt but also understand the operational motives and marketing channel integration strategies to face competition in the digital era. This study aims to examine the operational motives and technical adaptation processes of Micro, Small, and Medium Enterprises (MSMEs) in Bali in integrating online and offline marketing channels through an omnichannel strategy to respond to intense market competition in the digital era. This descriptive qualitative research uses a multiple case study approach in three different MSME sectors: goods maintenance services, creative services, and fashion retail. Data collection was conducted through direct observation, in-depth interviews, and a review of digital activities, then analyzed through single-case and cross-case stages. The results show that MSMEs optimize digital channels as instruments to expand reach and trigger consumer emotional engagement through a visual storytelling approach, while physical stores are crucially maintained as points of sensory validation. Functional integration has been proven to accommodate the shift in consumer behavior towards a hybrid decision-making pattern. In this pattern, consumers conduct information searches and initial evaluations online, but tend to shift to offline interactions to validate quality and finalize transactions to minimize purchase risk. In conclusion, cross-channel operational synergy has proven essential in boosting the competitive advantage of MSMEs.

King Royal Hotel Restaurant still applies manual sales transaction recording, causing data management and revenue report preparation to be less than optimal. This study aims to design and implement a Flutter-based sales and revenue reporting application that utilizes local storage as a data storage mechanism on the device. The system development method used is the Waterfall method, which includes the stages of requirements analysis, design, implementation, testing, and maintenance. The application was developed using the Flutter framework with the Dart programming language and utilizes the shared_preferences and hive packages for local data management on the device without requiring an internet connection or external database server. In addition, the application is designed to be easy for restaurant employees to use in recording daily transactions more quickly and accurately. Testing was conducted using the Black Box Testing method, which showed that all application features functioned according to functional requirements. The results of the study indicate that the Flutter-based application with a local storage approach is capable of improving transaction recording efficiency and generating revenue reports automatically at King Royal Hotel Restaurant.

Public facilities play an important role in supporting community activities, especially in sports and social interaction. However, inadequate maintenance can reduce their functionality and user comfort. This study aims to improve the function of public facilities through the revitalization of a badminton court area at the Technical Implementation Unit for Road and Bridge Management in Surabaya, making it more feasible, safe, and comfortable for use. The study employs a quantitative descriptive approach combined with Participatory Action Research (PAR), with data collected through direct observation of facility conditions before and after revitalization. The results show a significant improvement in the quality of infrastructure, both in physical condition and environmental comfort. The revitalized court supports better sports activities and increases user participation. These findings indicate that revitalization not only enhances facility quality but also promotes greater utilization, improved social interaction, and a more productive environment, demonstrating its effectiveness in optimizing public facility functions.

The oil and gas industry requires efficient initial processing to separate reservoir fluids into oil, gas, and water phases. The Separator Unit is the main facility that plays a vital role in the surface facility production stage. This study aims to evaluate the type of separator used, identify control components, and understand the working principles and operational procedures of separators in the Main Production Facility (MPF) area. The methodology used is direct observation and literature studies during the implementation of practical work in July 2024 at PT. Citic Seram Energy Limited, Seram Non Bula Block, Maluku. The observation results show that the type of separator used is a Horizontal Three Phase Separator with tag codes 03-V-001A and 03-V-001B operating alternately. The separation process is carried out based on differences in fluid density utilizing gravity, supported by internal components such as deflector plates, mist extractors, weirs, and straightening vanes. Separator operation is maintained at an operating pressure of around 55 psig to ensure optimal separation efficiency and work safety. The conclusion of this study indicates that effective separator operation requires stable pressure and temperature control as well as routine maintenance to prevent sediment buildup and maintain product quality.

Analysis of the business situation experienced by PT Spectrum Lintas Service indicates that the achievement of success in obtaining large-scale project contracts is greatly influenced by the technical image and confidence given by clients. This study aims to investigate the impact of Improving Technical Qualifications, Customer Relationship Management, and Procedural Governance Quality on the Achievement of Competitive Advantage at PT Spectrum Lintas Service. The study population consisted of a total of 141 customers. The data analysis approach used was the SPSS tool to test the research hypothesis through t-test and F-test. The results of the F-test showed a significance probability value of 0.000 smaller than 0.05. Based on the findings, it can be concluded that improving technical qualifications, customer relationship management, and procedural governance quality significantly contribute to the competitive advantage of PT. Spectrum Lintas Service. Improving technical qualifications has a negative but not substantial impact on competitive advantage, with a significance value of 0.110 greater than 0.05. Customer relationship management has an impact on competitive advantage with a significance value of 0.00, which is smaller than 0.05. The quality of the procedural system has a significant influence on competitive advantage.

Correspondence administration is vital for supporting operational efficiency in schools. However, manual management often leads to issues such as data retrieval delays, recording errors, and the risk of lost archives. This research aims to design and develop a Web-Based Administration Data Monitoring Information System using QR Codes at UPTD SMAN 3 Majene. The study employs the Research and Development (R&D) method with the Waterfall model, encompassing requirements analysis, system design, implementation, testing, and maintenance.The system involves three primary users: Admin/Administrative Staff, Teachers, and the Principal. QR Codes are implemented as digital identities to facilitate easier archive tracking and retrieval. Results indicate that the system enhances effectiveness and efficiency in correspondence management, accelerates letter request services, and simplifies data monitoring for school management. This system is expected to provide a solution for achieving orderly administration at UPTD SMAN 3 Majene. Furthermore, QR Code integration ensures document validity and digital archive security, supporting a more modern, transparent, and sustainable school governance transformation.

Advances in information technology have brought significant changes to how Micro, Small, and Medium Enterprises (MSMEs) conduct their business operations, particularly in the areas of marketing and sales. However, Stretto Pizza MSME still relies on manual processes for ordering and transaction recording, which results in limited marketing reach, suboptimal data management, and an increased risk of errors in recording. This study aims to develop a web-based e-commerce information system that can integrate sales processes and data management more effectively. System development was conducted using the Waterfall method, which includes the stages of requirements analysis, design, implementation, testing, and maintenance. The system was built using the PHP programming language with MySQL database support. System testing was performed using the Black-Box Testing method to ensure that every feature functions according to user needs. The research results show that the designed system is capable of supporting product ordering processes, customer data management, sales transactions, and report generation more efficiently. With this system, it is hoped that the Stretto Piza SME can improve its operations while expanding its marketing reach through the use of digital technology.

This household appliance and machine repair and maintenance program is designed to promote economic independence for the community in Sedati Village, Sidoarjo, by strengthening technical skills based on local potential. The underlying problem of this activity is the community's high dependence on external repair services and limited ability to handle household appliance damage independently. Therefore, the Asset-Based Community Development (ABCD) approach is used, which focuses on utilizing the assets, potential, and capacity already possessed by the community. The program is implemented in a participatory manner, with stages including identification and mapping of local assets, joint planning, technical skills training, hands-on practice, and activity evaluation. The results show an increase in the community's ability and understanding in performing simple household appliance maintenance and repairs. Furthermore, the community is beginning to recognize economic opportunities from their skills, thus potentially developing independent repair service businesses. Thus, the application of the ABCD approach in this activity has proven effective in strengthening the community's economic independence in a sustainable manner through optimizing local assets. Going forward, ongoing mentoring efforts are needed to ensure that the potential that has been established can continue to develop and provide broader economic benefits.

This research aims to develop an information system for the Imam Malik Koppe Mosque in Darma Village, Polewali District, Polewali Mandar Regency, utilizing the eMasjid platform as a solution for digitally managing mosque activities. The problem faced was the suboptimal recording of activity data, financial data, and service information for the congregation. The system development method used the Waterfall model, which consists of needs analysis, system design, implementation, testing, and maintenance. The result of this research is a mosque information system capable of presenting information on activities, financial data, reports, and communication between administrators more efficiently, transparently, and accountably. This system is expected to be an effective and user-friendly means of digitizing mosque management.

The use of moldboard plows in agricultural land preparation often faces wear problems on the share component, leading to increased maintenance time and reduced operational efficiency. This study aims to design and analyze a modular concept for the plow share to improve maintenance and repair efficiency without compromising structural performance. The research methods include field observation, component dimension measurement, design modeling using CAD software, and structural analysis using the Finite Element Analysis  (FEA) method. In addition, maintenance ease was evaluated through a questionnaire based on a rating scale. The results show that the modular design significantly improves maintenance and repair efficiency, with an average score of 4.59 categorized as very good. Structural analysis indicates that the modular design reduces maximum stress on the moldboard and slightly decreases deformation, reflecting improved structural stiffness compared to the conventional design. However, the Safety Factor on the share component remains below the acceptable limit, indicating the need for further development. Overall, the modular design provides an effective solution to enhance maintenance efficiency while maintaining the structural performance of the moldboard plow.

Archives are documents stored by an institution responsible for managing documents or organizing archival programs. Archives have an important role as a source of information in an agency so it is important to research. This study aims to analyze the management of incoming and outgoing mail archives in Rangkah Kidul Village, Sidoarjo District using descriptive qualitative research methods with data collection techniques in the form of interviews, observation and documentation. The focus of this study is the management of archives from the stages of creation, use, maintenance and reduction of archives. Informants in this study with five informants. Data analysis techniques with data reduction, data presentation and conclusion drawing. The results of the study show that 1) the process of creating archives is running quite well supported by the use of the Ebuddy application, although it is still physical. 2) at the stage of archive use, searching is still done manually by searching one by one depending on one officer. 3) at the stage of archive maintenance, the storage process is based on the time of creation, but has not been sorted based on use value and there is no SOP. 4) at the stage of archive reduction, there has never been a transfer or destruction so all archives are still stored.

Predictive maintenance (PdM) plays a crucial role in modern industrial systems by minimizing downtime, reducing maintenance costs, and optimizing asset performance. However, many predictive models operate as “black box” systems, limiting transparency and making it difficult for operators to interpret their outputs. This study aims to integrate Explainable Artificial Intelligence (XAI) techniques with Remaining Useful Life (RUL) prediction models to improve both accuracy and interpretability. Various machine learning and deep learning approaches, including Support Vector Machines (SVM), Random Forest (RF), XGBoost, Long Short-Term Memory (LSTM), and Convolutional Neural Networks (CNN), are employed to predict RUL using real-time sensor data from rotating machinery. XAI methods such as SHAP, LIME, and attention mechanisms are applied to provide human-understandable explanations of model predictions. The models are evaluated based on accuracy, Root Mean Square Error (RMSE), and interpretability scores. The results show that XAI-enhanced models outperform traditional approaches in predictive performance while offering greater transparency. These explanations help maintenance engineers better understand the factors influencing predictions, thereby improving decision-making and trust in the system. Nevertheless, the integration of XAI introduces additional computational complexity, which may pose challenges for large-scale industrial implementation. Overall, this study highlights the potential of combining XAI with RUL prediction to develop more reliable, transparent, and effective predictive maintenance solutions.

This study aims to design and develop a web-based Eweta Village Tourism Promotion Information System using the Codeigniter Framework to facilitate the dissemination of information on village tourist destinations to the community and tourists. Lokomboro Village has natural and cultural tourism potential that has not been optimally managed, especially in terms of digital promotion. This system was built using the Waterfall software development method, which includes the stages of requirements analysis, system design, implementation, testing, and maintenance. This web-based system is equipped with features such as tourist attraction information, photo galleries, tourism activity schedules, and contact details for managers. The CodeIgniter Framework was chosen for its advantages in MVC structure, which facilitates code management, security, and application scalability. Testing results show that the system is capable of displaying promotional information interactively, responsively, and accessible at any time by interested users, making it suitable for use as a tourism promotion medium for Pada Eweta Village.

The rapid development of information technology requires adaptation across various business sectors, including small and medium enterprises (SMEs). BUMDes Poto Bo’o, located in Wolotopo Village, Ndona Timur District, still manages sales data manually using ledger books. This practice leads to several issues, such as data inaccuracies, lack of automatic inventory updates, and delays in report generation.This study aims to design and implement a basic necessities (sembako) sales information system for the BUMDes. The system development method used is the waterfall model, which consists of requirement analysis, system design, implementation, testing, and maintenance stages. The system is developed using PHP programming language and MySQL database.The main features of the system include product management, customer management, transaction processing, tracking of incoming and outgoing goods, and real-time sales reporting. The results show that the developed information system improves transaction recording accuracy, enhances inventory data accuracy, and accelerates the sales reporting process.Therefore, the system is expected to improve the operational efficiency of BUMDes Poto Bo’o, support financial management transparency, and increase public trust in the performance of the village-owned enterprise.

Gastric health problems such as gastritis and Gastroesophageal Reflux Disease (GERD) remain common, particularly among children and adolescents, due to irregular eating patterns, excessive consumption of spicy and acidic foods, and a lack of understanding of healthy lifestyles and proper nutrition. The partner of this Community Service Program (PKM) was LKSA Santa Anna Orphanage in Bojonegoro, where limited knowledge regarding gastric health, differences between gastritis and GERD, and preventive efforts was identified among the residents. This PKM activity aimed to increase partners’ knowledge and awareness of gastric health maintenance through the application of healthy eating patterns, balanced nutrition, and appropriate lifestyle practices. The program included educational sessions, interactive discussions, and simple demonstrations to enhance participants’ understanding and engagement. Previous studies indicate that health education and regular eating habits are effective in preventing gastric disorders; therefore, this socialization activity is expected to encourage positive and sustainable healthy behavioral changes, improve daily dietary habits, and support long-term gastric health and overall well-being.

This study aims to design and develop a waste complaint information system at the Environmental Agency of West Sumba Regency to improve the effectiveness of public services. The current problem lies in the manual complaint process, which leads to delays in handling reports, poor data documentation, and limited service transparency. This research employs a qualitative descriptive approach with data collection techniques including observation, interviews, and documentation studies. The system development adopts the Waterfall method, which consists of requirement analysis, system design, implementation, testing, and maintenance stages. The system is modeled using Unified Modeling Language (UML), including use case diagrams, activity diagrams, and sequence diagrams to provide a structured representation of the system. This approach is considered effective as it ensures a systematic and well-organized development process. The results indicate that the developed system facilitates the public in submitting complaints online and assists the agency in managing complaint data in an integrated manner. Furthermore, the system enhances response time, transparency, and service efficiency. Therefore, this waste complaint information system can serve as a technological solution to improve the quality of public services.

This study aims to design and develop a web-based waste collection scheduling system using PHP and MySQL at the Environmental Agency of West Sumba Regency. The main problem faced is that the scheduling process is still carried out manually, resulting in inefficiency, susceptibility to errors, and difficulties in monitoring and reporting. The system development method used is the Waterfall model, which includes requirement analysis, system design, implementation, testing, and maintenance stages. The developed system provides features for managing data on personnel, regions, vehicles, and structured waste collection scheduling. In addition, the system is equipped with notification features, schedule monitoring, and performance reporting that can be accessed by management. The results of this study indicate that the system improves effectiveness and efficiency in scheduling processes and facilitates supervision of waste collection activities. Therefore, the implementation of this system is expected to optimize and organize waste management in West Sumba Regency.

Wewewa Timur District is an administrative area in Southwest Sumba Regency that has great potential to improve the quality of public services. However, in practice, services at the sub-district level are still faced with various obstacles, such as slow administrative processes, manual data recording, and lack of coordination between service departments. This makes it difficult for government officials to cause problems and has a direct impact on public satisfaction as service recipients. As a solution, the development of a Web-Based Integrated Service Information System is the right step to address community needs and support government performance in Wewewa Timur District. Through this system, the public can access various services on a single digital platform without having to come directly to the sub-district office, and helps officials in accelerating administrative processes. This study uses a software engineering approach to design and implement a Web-Based Integrated Service Information System in Wewewa Timur District. The method used is the Waterfall method, which is a classic method in software engineering with sequential and systematic stages, from needs analysis to system maintenance. Test results using the black box method showed that the software could identify malfunctioning functions, interface errors, data structure errors, and access to external databases, while also producing expected output. Therefore, this system is considered effective in improving the quality of public services in Wewewa Timur District.

The purpose of the study was to analyze the legality and limits of police repressive actions against protests that resulted in riots. This type of research is normative legal research with a legislative approach, a case approach and a conceptual approach. The analysis used in this study is an analytical descriptive technique. The results of the research show that the law is always used as a guideline in limiting all citizens' behavior to stay on the right path. Protests often lead to riots, destruction of public facilities, attacks on officers, and violations of public order, so that there is a criminal threat for protesters who do not maintain order and security. The regulation of police repressive actions in protests that result in chaos still needs special refinement in the context of protests, among which the substance of repressive actions must also harmonize technological developments and digitalization in security maintenance. The rules need to be updated by adding objective indicators of threats, public accountability mechanisms, transparent documentation obligations, measurable proportionality standards, and room for recovery for victims of abuse of power.