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• Sentiment Analysis and Classification of User Reviews of the 'Access by KAI' Application Using Machine Learning Methods to Improve Service Quality

  Hildegardis Kristina saka ⁽¹⁾ , Putri Taqwa Prasetyaningrum ⁽²⁾

  (1) Mercu Buana University of Yogyakarta , Indonesia ,

  (2) Mercu Buana University of Yogyakarta , Indonesia

  1418-1442

  2025-06-30

  DOI : 10.51519/journalisi.v7i2.1099

  Abstract View : 1785

  Download PDF downloads: 1388
• Enhancing Sales Determination for Coffee Shop Packages through Associated Data Mining: Leveraging the FP-Growth Algorithm

  Wahyuningsih Wahyuningsih ⁽¹⁾ , Putri Taqwa Prasetyaningrum ⁽²⁾

  (1) Mercu Buana University of Yogyakarta , Indonesia ,

  (2) Mercu Buana University of Yogyakarta , Indonesia

  758-770

  2023-05-29

  DOI : 10.51519/journalisi.v5i2.500

  Abstract View : 3469

  Download PDF downloads: 1766
• Development of a Student Depression Prediction Model Based on Machine Learning with Algorithm Performance Evaluation

  Penni Wintasari Simarmata ⁽¹⁾ , Putri Taqwa Prasetyaningrum ⁽²⁾

  (1) Mercu Buana University of Yogyakarta , Indonesia ,

  (2) Mercu Buana University of Yogyakarta , Indonesia

  1283-1305

  2025-06-25

  DOI : 10.51519/journalisi.v7i2.1087

  Abstract View : 1633

  Download PDF downloads: 1309
• Comparative Analysis of Classification Algorithms for Predicting Membership Churn in Fitness Centers: Case Study and Predictive Modeling at EightGym Indonesia

  Dewi Lestari Mu'ti ⁽¹⁾ , Putri Taqwa Prasetyaningrum ⁽²⁾

  (1) Mercu Buana University of Yogyakarta , Indonesia ,

  (2) Mercu Buana University of Yogyakarta , Indonesia

  1592-1611

  2025-06-30

  DOI : 10.51519/journalisi.v7i2.1120

  Abstract View : 2837

  Download PDF downloads: 1221
• Sales Prediction on the Diamond Cell Counter Using Autoregresive Integrated Moving Average (ARIMA) Method

  Kris Rahayu ⁽¹⁾ , Putri Taqwa Prasetyaningrum ⁽²⁾

  (1) Mercu Buana University of Yogyakarta , Indonesia ,

  (2) Mercu Buana University of Yogyakarta , Indonesia

  271-284

  2023-03-07

  DOI : 10.51519/journalisi.v5i1.450

  Abstract View : 3017

  Download PDF downloads: 1959
• Sentiment Analysis of User Reviews for AI Applications: Evaluating SVM, Logistic Regression, and Random Forest

  Rivana Dwi Cahyani ⁽¹⁾ , Putri Taqwa Prasetyaningrum ⁽²⁾

  (1) Mercu Buana University of Yogyakarta , Indonesia ,

  (2) Mercu Buana University of Yogyakarta , Indonesia

  1-27

  2026-02-10

  DOI : 10.63158/journalisi.v8i1.1366

  Abstract View : 1317

  Download PDF downloads: 1066
• Comparative Analysis of Machine Learning Algorithms for Sentiment Classification of Discord App Reviews

  Rani Rosita ⁽¹⁾ , Putri Taqwa Prasetyaningrum ⁽²⁾

  (1) Mercu Buana University Yogyakarta , Indonesia ,

  (2) Mercu Buana University Yogyakarta , Indonesia

  4384-4406

  2025-12-31

  DOI : 10.63158/journalisi.v7i4.1367

  Abstract View : 720

  Download PDF downloads: 454
• Analysis of Community Sentiment Towards Free Nutrition Meal Programs on Twitter Using Naïve Bayes, Support Vector Machine, K-Nearest Neighbors, and Ensemble Methods

  Gresensia Rosadelima Ati ⁽¹⁾ , Putri Taqwa Prasetyaningrum ⁽²⁾

  (1) Mercu Buana University of Yogyakarta , Indonesia ,

  (2) Mercu Buana University of Yogyakarta , Indonesia

  1443-1460

  2025-07-01

  DOI : 10.51519/journalisi.v7i2.1098

  Abstract View : 1339

  Download PDF downloads: 1304
• Designing Gamified Systems for Mental Health Support: An Exploratory Study

  Putri Taqwa Prasetyaningrum ⁽¹⁾ , Norshahila Ibrahim ⁽²⁾ , Reny Yuniasanti ⁽³⁾ , Putry Wahyu Setyaningsih ⁽⁴⁾ , Ibnu Rivansyah Subagyo ⁽⁵⁾

  (1) Mercu Buana University of Yogyakarta , Indonesia ,

  (2) Sultan Idris Education University , Malaysia ,

  (3) Mercu Buana University of Yogyakarta , Indonesia ,

  (4) Mercu Buana University of Yogyakarta , Indonesia ,

  (5) Mercu Buana University of Yogyakarta , Indonesia

  1086-1102

  2024-06-14

  DOI : 10.51519/journalisi.v6i2.760

  Abstract View : 2578

  Download PDF downloads: 1636