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Customer satisfaction is a crucial indicator in assessing the quality of a company's products, services and overall experience. This research aims to identify the level of customer satisfaction and optimize the available data for effective use in sentiment analysis. In this study, we analyzed 4,353 customer reviews collected over the past year, with 3,481 reviews used as training data and 871 reviews as testing data. The analysis process was conducted using the Cross-Industry Standard Process for Data Mining (CRISP-DM) approach and leveraged the Logistic Regression algorithm to build a predictive model. Model evaluation using the confusion matrix yielded an accuracy of 94.60%, a precision of 94.26%, and a recall of 94.60%. The analysis was conducted using Jupyter Notebook and the Python programming language. The results indicate that sentiment analysis is effective in identifying and predicting customer satisfaction levels, which in turn can help a company’s products improve its service strategies. The optimization of previously underutilized data now provides deeper insights into customer perceptions and expectations, enabling the company to make more targeted decisions and enhance overall customer satisfaction.

This research seeks to investigate the post-usage continuation behavior of customers in the green finance sector, utilizing the Extended Social Help (SST) theory as its theoretical framework. The data utilized in this research consists of a questionnaire administered to respondents who are customers of Islamic banks owning to Generation Z. The research outcomes obtained through the application of the Partial Least Squares (PLS) technique indicate that Environmental Consciousness, when mediated by customer satisfaction, does have a negative influence on the continuity of green finance behavior. Similarly, the outcomes align with those of Green Bank Marketing Initiatives (GBMI), which, when mediated by customer satisfaction, also exhibit a negative influence on green finance continuity behavior. Conversely, the Conciliation of customer satisfaction in the object of psychological reactance and its influence on green finance continuity behavior yields a good influence.

Factors that can attract consumer interest in satisfying customers at fast food restaurants in Medan City include providing quality service. In addition to service quality, customer experience is also another factor that can attract consumer interest in buying. One thing that companies can do is to build a brand so that it will create brand equity. Based on the description above, the title of the study is, " The Effect of Service Quality and Customer Experience on Customer Satisfaction at Fast Food Restaurants in Medan City ". The purpose of this study is to determine the effect of service quality and customer experience on customer satisfaction at fast food restaurants in Medan City, both partially and simultaneously, and the formulation of the problem in this study is whether service quality and customer experience affect customer satisfaction at fast food restaurants in Medan City. The results of the study indicate that service quality has a significant effect on customer satisfaction , customer experience has a significant effect on customer satisfaction and simultaneously the variables of service quality and customer experience have a significant effect on customer satisfaction. The company should pay more attention to the quality of service that has been provided to users of delivery services so that the service is not just a slogan but is implemented seriously so that the company's image is maintained in the eyes of service users.

This study aims to analyze the relationship between service quality and customer green satisfaction at Madani Hotel Medan. The service quality in question includes aspects such as reliability, responsiveness, assurance, empathy, and physical evidence, which are integrated with environmentally friendly practices implemented by the hotel. Green satisfaction refers to the level of customer satisfaction that is not only based on conventional services, but also on the hotel's commitment to environmental sustainability. The research method used is a quantitative approach by distributing questionnaires to 100 respondents who are guests of Madani Hotel Medan. Data were analyzed using a linear regression method to determine the effect of service quality on green satisfaction. The results of the study indicate that there is a positive and significant relationship between service quality and customer green satisfaction. This finding indicates that the implementation of high-quality and environmentally friendly services can increase overall customer satisfaction. This study provides implications for hotel management to continue to improve service quality by paying attention to sustainability aspects in order to meet the expectations of increasingly environmentally conscious customers.

The purpose of this study was to determine and analyze the direct influence of Servicescape, Brand Image and Customer Satisfaction on Repurchase Intention and to see the role of Customer Satisfaction as an intervening variable. The research method used is descriptive associative using a sample of 150 respondents. The data analysis method used is (Partial Least Square) PLS using the Smart PLS application. The results showed that Servicescape and Customer Satisfaction have a positive and significant effect on Repurchase Intention; Brand Image has a positive but not significant effect on Repurchase Intention; Servicescape and Brand Image have a positive and significant effect on Customer Satisfaction; Servicescape and Brand Image have a positive and significant effect on Repurchase intention through customer satisfaction at Customer Maxx Coffee in Medan.

Service quality & price are important factors and roots that can provide satisfaction for its customers. So that customers feel satisfied with the service provided. The purpose of this study is to determine the effect of service quality and price on consumer satisfaction. This study uses a field research method whose sampling is done by distributing questionnaires to 100 consumers which are then analyzed using multiple linear analysis. The results of the study show that Service Quality and Price simultaneously or Together have a positive and significant effect on Consumer Satisfaction at Ruby Lash Salon, Tembalang Branch

The purpose of this research is to determine the influence of distribution channels, price perceptions, product availability on consumer satisfaction at PT. Arie Mulya Barutama Semarang. The population of this study was 140 customers. The samples taken using saturated sampling techniques were 140 respondents. This research data analysis tool uses multiple linear regression. The research results show that Distribution Channels have a positive effect on Consumer Satisfaction. This is shown by the calculated t value of 4.758 >1.655, with a sig value. equal to 0.000 < 0.05 (significant). Price Perception has a positive effect on Consumer Satisfaction. This is shown by the calculated t value being greater than the t table, namely 3.312 > 1.655, with a sig value. equal to 0.001<0.05 (significant). Product Availability has a positive effect on Consumer Satisfaction. This is shown by the calculated t value, which is 3.953 > 1.655, with a sig value. equal to 0.000 < 0.05 (significant).

The purpose of this study is to examine the effect of service quality and relationship quality on consumer satisfaction that has an impact on consumers with their loyalty, especially in the distribution of meat reefer containers by PT Indogal Trading. The main problems identified are low loyalty and consumer satisfaction, on service issues such as late delivery, temperature fluctuations, and less than optimal complaint management. The study population consisted of 105 consumers of PT Indogal Trading in 2023 representing 50 companies, with a sample of 83 respondents using the simple random sampling method. Data collection by analyzing and collecting questionnaires with SMART PLS. The results of the study stated that service quality and relationship quality have a significant influence on consumer satisfaction and loyalty. In addition, consumer mediation of their satisfaction is specifically the influence of service quality and relationship quality on consumer loyalty. In conclusion, increasing service quality and relationships can significantly increase consumer satisfaction and loyalty. Managerial suggestions provided include increasing service consistency, better temperature management, and increasing responsiveness to consumer complaints to strengthen consumer loyalty.

This study aims to examine the implementation of quality management at SMA Swasta Muhammadiyah 4 Babalan and its impact on improving the competence of students. The research method used is a qualitative method with data collection techniques in the form of observation, interviews, and documentation. Data analysis techniques used include data condensation, data presentation, and conclusion drawing and verification. The results showed three main findings. 1) In quality management planning, SMA Swasta Muhammadiyah 4 Babalan conducts customer identification by emphasizing the importance of leaders who understand the needs of internal and external customers for the success of educational programs. 2) The implementation of quality management focuses on customers through periodic meetings with teachers, staff, and parents to evaluate the program and hear feedback related to customer satisfaction. 3) The principal's total involvement in communication and cooperation with stakeholders, including teachers, staff and parents, has been proven to improve the quality of education and learners' competencies. Overall, the implementation of quality management at SMA Swasta Muhammadiyah 4 Babalan has succeeded in creating an educational atmosphere that supports the optimal development of learners' competencies.

This study aims to determine the performance of KCU Pintu Air by using the balanced scorecard method. This research method is a quantitative descriptive method. The data in this study were obtained from documentation in the form of financial reports and distributing questionnaires. The population in this study was KCU Pintu Air with a sample of a financial perspective in the form of financial reports, a customer perspective with a sample of 44 members, an internal business process perspective and a growth and learning perspective with a sample of 27 employees. The findings of this study show that the performance of KCU Pintu Air when measured using the balanced scorecard method results in a rating scale of 0.2 which lies between 0-0.6 which indicates that the cooperative's performance is quite good. The results of perspective calculations in the balanced scorecard are financial perspective calculations with unfavorable results, this is because most of the PEARLS ratio calculation results are in the bad category. The customer perspective shows good results, which are obtained from indicators of member retention and member acquisition which experience fluctuations and indicators of member satisfaction as much as 79% of members are satisfied with cooperative services. The internal business process perspective shows very good results, which are obtained from the results of the questionnaire with an operational efficiency indicator of 80% and an indicator of competitive position of 83%, which means that the respondents stated that they were very satisfied. The growth and learning perspective shows good results obtained from the results of employee satisfaction indicators as much as 91% of employees who express attitudes towards very high satisfaction, employee retention indicators that show good results and employee productivity indicators that experience fluctuations during the study period.

This community service activity (PKM) aims to improve operational efficiency and service quality at Santosa Catering through the implementation of a web-based catering ordering system. Santosa Catering, as a micro business, faces obstacles in managing orders that are still done manually, which causes inaccurate stock information, delays in delivery, and limited customer access to menus and prices. Through a Diffusion of Science and Technology and Knowledge Transfer approach, a web-based ordering system was developed and implemented to support business operations. The system allows customers to access real-time menu information, place online orders, and choose preferred payment methods, while the owner and staff were given intensive training to effectively operate the system. The evaluation results showed significant improvements in all aspects of assessment, including understanding of system features, operational skills, time efficiency, and customer satisfaction, as shown in the comparison chart of pretest and posttest results. The system not only optimizes operational processes but also increases customer satisfaction, strengthens business competitiveness, and has the potential to become a model for other micro businesses in utilizing digital technology. Thus, this PKM activity is expected to contribute to the sustainability of Santosa Catering's business in the digital era.

In an era of increasingly fierce competition in the energy sector, companies are required to not only meet customer needs, but also to improve service quality and customer satisfaction in a sustainable manner. This study aims to analyze and improve the performance of the Marketing and Customer Service Division at PT XYZ by applying the 5W1H method and the Fishbone Diagram.  The study identified a number of factors that contributed to the division's low performance, including a lack of adequate training and decreased work motivation. Through in-depth analysis, this study provides strategic recommendations to improve the quality of training, the development of an integrated information system, and the establishment of clear service standards. The implementation of these recommendations is expected to improve productivity, service quality, and customer satisfaction, as well as strengthen the company's position in a competitive market.

The objective of this research is to evaluate the impact of brand image and product quality on consumer purchasing decisions regarding MS Glow products in Solo. A positive brand image can enhance consumers' trust in a particular brand; however, product quality remains the primary determinant of satisfaction and choice among consumers. Using qualitative methodology with phenomenological approach, the study aims to understand consumers’ experiences and perspectives towards MS Glow products. The findings indicate that strong brand images, such as reliable reputation and consumer confidence, significantly influence purchase decisions. Additionally, product qualities including durability, performance, design, and innovative features play crucial roles in consumer decision-making processes. This research is expected to help companies develop better marketing strategies to meet individual customer needs effectively.

Operational risk is one of the significant challenges that can hinder the achievement of a company's goals, especially in strategic departments such as the Engineering Department. Risk identification and mitigation are important steps to ensure smooth operations and maintain the company's overall productivity and performance. This study aims to evaluate and optimize operational risk mitigation strategies in the Engineering Department of PT XYZ, which operates in the cement production sector. With a qualitative approach, this study analyzes various risks faced, including design suitability, reliability of safety monitoring, and budget management. The results show that the implementation of systematic and proactive mitigation strategies can significantly reduce potential risks that can interfere with smooth operations. In addition, this study found that effective communication with stakeholders and the implementation of feedback from customers are essential to increase customer satisfaction and trust. The resulting recommendations include the preparation of project completion time standards, periodic evaluations of performance, and more detailed mapping of budget needs. Thus, this research contributes to the development of best practices that can be adopted by other companies in the same industry. The results of this study are expected to improve PT XYZ's operational performance and strengthen its position in a competitive market.

This research aims to analyze the influence of the application of information technology on increasing the efficiency of business processes in the banking sector. In an increasingly competitive and dynamic business environment, operational efficiency is one of the keys to success for banks. The application of information technology through various digital systems, such as Internet Banking, Mobile Banking, and cloud computing-based platforms, has been proven to speed up transactions and reduce operational costs. Apart from that, automating business processes through ERP and CRM also increases accuracy and makes data-based decision making easier. However, the implementation of this technology faces challenges, such as limited technical skills and organizational cultural resistance. However, proper use of IT can increase productivity, customer satisfaction and strengthen the bank's competitive position. This research provides insight into the importance of IT investment in supporting digital transformation and operational efficiency in the banking sector.

This research aims to determine the effect of halal certification and price on customer satisfaction. This research uses a quantitative approach to collect data using primary data and questionnaires. Tungkal Seafood restaurant consumers are the subjects of this research. Purposive sampling technique, which was used to achieve the research objectives, collected 100 respondents. Normality, multicollinearity and heteroscedasticity tests are the multiple linear regression analysis tools used. The F test and T test are used to test the hypothesis. Results obtained from the regression equation: Y = 0.959+ 0.384(X1) + 0.395(X2) + e. The results of data analysis show that the independent variable halal certification (X1) does not partially influence customer satisfaction (Y) (T test), and the price variable (X2) influences customer satisfaction significantly. Simultaneously, the F test shows that the independent variables halal certification (X1) and price (X2) influence purchasing decisions (Y) positively and significantly. The influence of the Coefficient of Determination variable is 48.4%, the influence of Halal Certification and Price on Customer Satisfaction at Tungkal Seafood Resto, while 51.6% is determined by other variables outside the research.

This study aims to evaluate the service quality of PT TJ Bros using the SERVQUAL method, which includes five dimensions: tangibility, reliability, responsiveness, assurance, and empathy. Data were collected through a Likert-scale questionnaire from 50 active customers selected using purposive sampling. The analysis measured the gap between customer expectations and their perceptions of the company's services.The findings indicate that all service dimensions exhibit negative gaps, meaning the service quality does not fully meet customer expectations. The responsiveness dimension shows the largest gap (-0.80), reflecting delays in responding to customer complaints or requests. The tangibility dimension also demonstrates a gap (-0.40), indicating a need for improvements in physical facilities, such as cleanliness, waiting area comfort, and employee appearance. In the empathy dimension, customers feel a lack of personalized attention, with a gap of -0.60.To enhance customer satisfaction, the company is recommended to improve its customer response system using technology-based complaint management, upgrade physical facilities, and train employees in communication and personalized service. Adjustments to employee uniforms and training to maintain service consistency are also suggested.In conclusion, comprehensive improvements in operational systems, facilities, and employee skills are necessary to enhance service quality. By meeting or exceeding customer expectations, PT TJ Bros can boost customer loyalty and strengthen its competitive position in the market.

Globalization and increasing competition cause companies to compete with each other to get the attention of consumers, so that companies are required to be innovative and creative in responding to various changes in the dynamic environment. The main objectives of this study are to determine and analyze the significant influence between Product Quality and Brand Image on Customer Satisfaction on Nike Basketball Shoes. This research was a quantitive research using IBM SPSS Statistics 25 for analytics. The sampling technique used was using accidental sampling techniques. Online questionnaires were distributed to 100 respondents in a population of Malang City who were a student, self employed and coach as main job. The results of this study indicate that the higher the Product Quality and Brand Image, the higher the Customer Satisfaction. Each variable partially affects Customer Satisfaction and shows that Product Quality and Brand Image variables affects Customer Satisfaction. It also shows that Product Quality  and Brand Image simultaneously have a positive effect on Customer Satisfaction. Based on the results of the study, it can be concluded that the Product Quality and Brand Image variables have effects on Customer Satisfaction.

The purpose of this study is to ascertain how customer satisfaction at the Honda Sinar Wijaya Motor Kediri dealer is impacted by factors such as location, pricing, and service quality. Quantitative research is what this kind of study is. Primary and secondary data are the methods of data collecting that are employed. At the Honda Sinar Wijaya Motor Kediri Dealer, 77 respondents provided samples for the study through the use of the incidental sampling technique. Literature reviews, interviews, and questionnaires were used to gather the research data. Multiple linear regression analysis is the method of analysis that is employed. The t-test of the service quality variable showed a significant partial influence on customer satisfaction with a sig result of 0.001 <0.05, and the study's multiple linear regression equation was Y = 19,414 + 0.375X1 + 0.521X2 + 0.291X3. With a sig value of 0.001>0.05, price has a strong partial impact on customer satisfaction. With a sig. value of 0.017>0.05, location has a strong partial impact on customer satisfaction. With a significance value of 0.000 <0.05, the F test yielded the F count result. According to the analysis's findings, customer satisfaction at the Honda Sinar Wijaya Motor Kediri Dealer is significantly impacted by pricing, location, and service quality all at the same time.

PT Astra International BMW Semarang is a company operating in the automotive sector with 3 supporting pillars, namely Sales, Aftersales and Spare Parts for BMW car units. The availability of spare parts is one of the determining factors for consumer satisfaction with the company because if the spare parts stock is empty it will cause consumer disappointment with the company. By using spare parts sales transaction data for the period January 2019 – June 2023, totaling 52,162, it will be utilized using data mining association techniques with the a priori algorithm and the eclat algorithm. The problem in this research is how to find out consumer purchasing patterns so that there is no shortage or empty stock of spare parts in the warehouse. This research aims to determine the association of spare parts purchasing patterns in sales transactions so that partman get recommendations in making decisions about providing priority types of spare parts. This research methodology uses CRISP-DM (Cross-Industry Standard Process for Data Mining) and is implemented with the R programming language with R studio software. In 3 trials using the Apriori algorithm and 3 trials with the Eclat algorithm, The result with the highest confidence appears in a combination of 3 itemsets with minimum support 0.01 and confidence 0.9, namely if a customer buys B11.42.8.593.186 (Set oil-filter Mx) and B83.12.5.A1A.683 (Washer Cleaner) then they will also buy Z99000000333 ( BMW Engine Oil) with confidence 1.00 or 100%. From the results of this association's analysis, it can be used as advice for the management of PT Astra International BMW Semarang in managing spare parts stock.