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Decision Support System for Selecting Contraceptives for Women Using the Weighted Product (WP) Method to determine the best alternative results. In this method, there are 5 (five) criteria and 5 alternative contraceptives for women. To test the results, a comparison is made of the results given by the midwife with the results from the system. After that, ranking is carried out according to the highest value from the calculation results for selecting contraceptives for women.

PT XYZ is a private company in Palembang that supplies medical devices and equipment. This company conducts performance assessments every year to provide appropriate rewards in the form of gifts, bonuses or incentives to employees. In carrying out the performance assessment process for providing employee rewards, it is still done manually. This process is inefficient because it takes a lot of time, is prone to errors in calculation and it is not clear which aspects of the criteria are important. By using the Weighted Product methodology, this study tries to create a decision support system (DSS) that will simplify this evaluation procedure. This application is made website-based, using the laravel framework with the Iterative system development method. The results obtained indicate that the system can help companies improve efficiency by conducting automatic assessments, providing measurable weights, transparently and using the Weighted Product method for more accurate assessments. Overall, the system developed meets the research objectives.

A cooperative is a business entity based on the principle of kinship. Cooperatives have the aim of improving the welfare of their members through the activities they carry out. The Binjai City Cooperatives and UMKM Service is a regional apparatus within the Binjai City Government for government affairs in the field of Cooperatives, Small and Medium Enterprises. The Binjai City Cooperatives and UMKM Department always carries out assessments of every cooperative in the city of Binjai in the form of an assessment of the best cooperatives which aims to increase the motivation of cooperative institutions and as an evaluation material for the performance of cooperatives recorded in the City of Binjai. In carrying out the assessment of the best cooperatives carried out by the Binjai City Cooperatives and UMKM Service, it took quite a long time. This is because the data collection and processing process is conventional and simple. To overcome existing problems, a decision support system was created to facilitate the management and calculations of each cooperative. In this research, the method used in the calculation process is WASPAS (Weighted Aggregated Sum Product Assessment). The Weighted Aggregated Sum Product Assessment (WASPAS) method is a method that is able to minimize errors or maximize the assessment to determine the highest and lowest values. The final result of this research is a decision support system that is able to produce decision recommendations in determining the best cooperative at the Binjai City Cooperative and UMKM Department.  

Members of the KPPS (Voting Organizing Group) are responsible for organizing voting in a polling station (TPS) during general elections in Indonesia. They are the spearhead in carrying out the democratization process by supervising and ensuring the continuity of elections honestly, fairly, and transparently. The duties of KPPS members include preparing TPS before voting begins, receiving and examining voters, supervising the election process to ensure compliance with applicable regulations, counting votes after voting is complete, reporting election results, and maintaining security and order around TPS. Decision support system is a Decision support system or Decision Support System (DSS) is an interactive system that supports decisions in the decision-making process through alternatives obtained from data processing results. The purpose of this study is to facilitate the recruitment of members of the Voting Organizing Group (KPPS). The research method is Weighted Aggregated Sum Product Assessment (WASPAS). WASPAS is to find the most appropriate priority location choices using weighting. The results of this study are that the development of this support system can help the KPU in selecting or selecting KPPS members and this decision support system as a tool in developing KPPS members by viewing or using criteria according to the criteria needed using the WASPAS method.      

In the modern era, laundry services have become a practical solution for busy people. Sukmajaya Laundry, located in a strategic area in Depok, offers various services such as kilo laundry, bed cover washing, and express washing. However, despite having a wide range of ironing fragrance options, the laundry owner faces difficulties in determining which fragrance is most preferred by customers. This study aims to assist the owner of Sukmajaya Laundry in recommending the most popular ironing fragrance to customers. With this recommendation, it is hoped that new customers will no longer struggle to choose a fragrance that suits their preferences. The research employs the Weighted Product (WP) method, which combines several attributes with weighted criteria to calculate the total value. The alternative with the highest total value will be considered the best solution. This study results in a decision support system that can recommend the most popular ironing fragrance based on previous customer preferences, thereby enhancing customer satisfaction and operational efficiency at Sukmajaya Laundry.

In the modern era, laundry services have become a practical solution for busy people. Sukmajaya Laundry, located in a strategic area in Depok, offers various services such as kilo laundry, bed cover washing, and express washing. However, despite having a wide range of ironing fragrance options, the laundry owner faces difficulties in determining which fragrance is most preferred by customers. This study aims to assist the owner of Sukmajaya Laundry in recommending the most popular ironing fragrance to customers. With this recommendation, it is hoped that new customers will no longer struggle to choose a fragrance that suits their preferences. The research employs the Weighted Product (WP) method, which combines several attributes with weighted criteria to calculate the total value. The alternative with the highest total value will be considered the best solution. This study results in a decision support system that can recommend the most popular ironing fragrance based on previous customer preferences, thereby enhancing customer satisfaction and operational efficiency at Sukmajaya Laundry.

Forecasting demand for screen-printed clothing products at the UMKM "D'mitz Screen Printing" in Sobrah Village, Wungu District, Madiun Regency helps with production control planning to maximize supply chain management for screen-printed clothing products. To predict future product demand, it is very important for UMKM to forecast market demand. Forecasting future demand is very important to avoid sales prediction errors that can cause waste, such as increased production costs due to sales predictions being too large, or stock outs due to sales predictions being too small, which results in customers having to wait longer to get the goods they want. Based on this problem, the UMKM "D'mitz Screen Printing" carried out a demand forecasting analysis for screen printed clothing with the aim of reducing waste and maximizing value. Forecasting demand for screen printed clothing for the next five months using time series analysis and moving average methods. Forecasting results for the period March 2022 to February 2023 show sequential forecasting values of 3266.67; 3300; 3250; 3283.33; 3233.33; 3316.67; 3333.33; 3372.22; 3305.56; and 3272.22. From the Mean Absolute Error (MAE) and Mean Square Error (MSE) calculations that have been carried out, the MAE value is 94.44 and the MSE value is 16018.593.