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Kusno Harianto
Information Systems, STMIK Widya Cipta Dharma

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Sentiment Analysis of Public Satisfaction Toward Banjar Grilled Chicken Restaurant Using Random Forest Muhammad Raihan Ramandha Putra; Heny Pratiwi; Kusno Harianto
TEPIAN Vol. 7 No. 1 (2026): March 2026
Publisher : Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tepian.v7i1.3681

Abstract

This study aims to explore the level of public satisfaction with the Banjar grilled chicken restaurant by utilizing customer reviews on the Google Maps platform. These reviews serve as a primary source of information that reflects public perceptions regarding the quality of food, service standards, pricing, and the overall atmosphere of the restaurant environment. In the digital era, online reviews have become an essential factor influencing consumer decisions, as many potential customers rely on shared experiences before visiting a restaurant. However, the large volume of reviews available on Google Maps makes manual analysis inefficient, impractical, and excessively time-consuming, especially when the data continues to grow over time. Therefore, this study adopts a text mining–based analytical approach combined with the Random Forest algorithm to automatically classify customer sentiment in a structured and systematic manner. The data used in this research consist of Indonesian-language comments collected from Google Maps, which are then categorized into two main sentiment classes: positive and negative. The research process involves several stages, including data collection, text preprocessing such as cleaning and normalization, word weighting using the TF-IDF method, and sentiment classification using the Random Forest algorithm, followed by model evaluation through a confusion matrix to measure performance accuracy. The final results are expected to provide a comprehensive overview of customer satisfaction levels and offer valuable insights that can assist restaurant management in improving service quality, enhancing customer experience, and developing more effective business strategies in the future.
Visitor Satisfaction Analysis of Hotel Luminor Services Based on Google Maps Reviews Using Logistic Regression and Support Vector Machine Aldianur Fajri; Heny Pratiwi; Kusno Harianto
TEPIAN Vol. 7 No. 2 (2026): June 2026
Publisher : Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/tepian.v7i2.3656

Abstract

Online reviews are widely used as a data source for evaluating hotel service quality because they reflect visitors’ experiences through ratings and textual feedback. Google Maps provides publicly accessible reviews that enable the analysis of visitor satisfaction toward hotel services. This study analyzes visitor satisfaction based on Google Maps reviews using machine learning–based classification methods within a case study framework. Review data were collected through web scraping and processed through data cleaning to remove duplicate, empty, and irrelevant entries. The cleaned reviews were transformed into numerical representations using the Term Frequency–Inverse Document Frequency (TF-IDF) method. Classification was performed using Logistic Regression and Support Vector Machine. Model performance was evaluated using an 80:20 training–testing split and standard metrics, including accuracy, precision, recall, and F1-score. The results indicate that Support Vector Machine achieves higher overall accuracy compared to Logistic Regression under the applied experimental conditions. However, Logistic Regression demonstrates more balanced performance across evaluation metrics, while Support Vector Machine tends to be more biased toward the majority class in identifying visitor satisfaction categories. These findings suggest that simpler linear models can still perform consistently in high-dimensional textual data, particularly in handling imbalanced review distributions. Furthermore, the analysis shows that classification results can be utilized to identify recurring patterns in visitor feedback, supporting a more systematic and data-driven evaluation of hotel service quality.