Abstract:This study focuses on the development of an Augmented Reality (AR)–based learning application designed to assist students in understanding the mathematical concepts of volume and surface area of three-dimensional geometric…
tric shapes. The development process adopted the Multimedia Development Life Cycle (MDLC) model, which consists of six systematic stages: concept, design, material collecting, assembly, testing, and distribution. The research concentrated on the development and expert validation stages. Validation results from content and media experts indicate that the application meets pedagogical and technical feasibility standards. The content expert confirmed that the materials align with the national mathematics curriculum and are presented in a clear, contextual, and accurate manner, while the media expert highlighted the user-friendly interface, interactive features, and visual appeal of
the application. Theoretically, this AR-based medium bridges the gap between abstract mathematical concepts and concrete visualization by enabling students to interact directly with
virtual 3D objects. Practically, the application enhances learning motivation and engagement by providing dynamic, interactive experiences. Overall, this research contributes to the
advancement of educational technology by offering a systematic model for developing AR-based learning media that support active and meaningful learning in the digital
era.
Abstract:YouTube has become a major platform for public discourse in Indonesia, yet large-scale sentiment analysis of its comments remains challenging due to dynamic content, informal language, and limited labeled data. This study…
y proposes a Selenium–IndoBERT pipeline for sentiment analysis of Indonesian YouTube comments using a pseudo-labeling approach. Data were collected from ten YouTube videos discussing the One Piece flag phenomenon, yielding 10,842 comments after preprocessing. Selenium was employed to extract comments from dynamic pages, while IndoBERT was fine-tuned on a small manually labeled dataset and used to generate pseudo-labels for unlabeled data. Model performance was evaluated using probabilistic metrics, including Coverage, Expected Calibration Error (ECE), and Brier Score. At a confidence threshold of 0.75, 78.5% of comments received pseudo-labels, with an ECE of 0.095 and a Brier Score of 0.174. Manual validation showed substantial agreement with human annotations (Fleiss’ kappa = 0.72). The results indicate that the proposed pipeline enables scalable and reliable sentiment analysis with minimal manual annotation.
Abstract:Abstract: The development of digital learning systems requires not only effective content delivery but also database consistency and performance, particularly when used at scale by lecturers and students. Weaknesses in database…
atabase design can lead to data duplication, relational violations, and transaction failures that compromise system reliability. This study designed the Royal Mengajar application using PHP and MySQL, supported by JavaScript, HTML, and Bootstrap 5. The Crowdsourced Academic Content model enables lecturers to contribute learning materials openly, while students evaluate them through a user rating system. The objective of this research is to design and optimize the database architecture of the Royal Mengajar application by implementing multiple control mechanisms—namely views, triggers, transactions, and constraints—to enhance data efficiency, consistency, and integrity in digital learning environments. Database optimization focuses on the use of views to improve query efficiency, triggers to maintain automatic consistency, transactions to ensure atomicity in multi-table operations, and constraints to preserve data integrity. The results show that views reduced the average query execution time to 0.12 seconds, triggers maintained consistency without manual intervention, and constraints achieved 100% referential integrity. The application of these mechanisms significantly improved system speed, reduced data redundancy, and enhanced information reliability, thus reinforcing the sustainability of Royal Mengajar as a community-driven learning platform
Keywords: crowdsourced academic content; constraint; database optimization; trigger.
Abstrak: Pengembangan sistem pembelajaran digital tidak hanya menuntut penyajian materi, tetapi juga konsistensi serta kinerja basis data ketika sistem digunakan secara masif oleh dosen dan mahasiswa. Kelemahan rancangan database dapat menimbulkan duplikasi data, pelanggaran relasi, dan kegagalan transaksi yang memengaruhi keandalan sistem. Penelitian ini merancang aplikasi Royal Mengajar berbasis PHP dan MySQL dengan dukungan JavaScript, HTML, dan Bootstrap 5. Model Crowdsourced Academic Content memungkinkan dosen berkontribusi secara terbuka, sedangkan mahasiswa melakukan evaluasi melalui user rating system. Tujuan penelitian ini adalah untuk merancang dan mengoptimalkan basis data aplikasi Royal Mengajar melalui penerapan berbagai mekanisme pengendali, seperti view, trigger, transaction, dan constraint, guna meningkatkan efisiensi, konsistensi, dan integritas data dalam sistem pembelajaran digital. Optimalisasi database difokuskan pada penerapan view untuk efisiensi query, trigger untuk menjaga konsistensi otomatis, transaction untuk memastikan atomicity pada operasi multi-tabel, serta constraint guna menjamin integritas data. Hasil pengujian menunjukkan view menurunkan rata-rata waktu eksekusi query menjadi 0,12 detik, trigger menjaga konsistensi tanpa intervensi manual, dan constraint memastikan integritas referensial tercapai 100%. Penerapan mekanisme ini berdampak pada peningkatan kecepatan sistem, berkurangnya redundansi, serta keandalan informasi yang lebih tinggi, sehingga mendukung keberlanjutan Royal Mengajar sebagai platform pembelajaran berbasis kontribusi komunitas.
Kata kunci: basis data; optimasi; trigger; constraint; crowdsourced academic content.
Abstract:Abstract: YouTube is one of the most popular video streaming platforms, but it has constraints that can cause problems when clients have difficulty finding content according to their wishes. The main objective of this study…
udy is to increase user capacity in viewing content specifically in the field of women's empowerment. By using content-based filtering techniques, the system will analyze user preferences and interests through recommendations for women's empowerment content. The data source is via the YouTube API and is analyzed using PHP programming content-based filtering techniques. The system's recommendations provide a list of women's empowerment content with a user request display. The results of the research evaluation obtained a precision value of 62%, meaning that the recommendations match the topic being searched for, namely women's empowerment. The recall value of 84% indicates that the system has succeeded in finding relations from the database. The f1-score value of 72% indicates that there is a balance between precision and recall, meaning that a system is needed that is not only accurate but also complete. While the cosine value shows a score of 0.7071 approaching the maximum value (1.0). The recommendation of the content-based filtering method produces quite effective women's empowerment content.
Keywords: content-based filtering, recommendations, women Empowerment, youtube
Abstract:Abstract: Recommendation systems are becoming increasingly important with the growth of streaming platforms. The purpose of this study is to compare the performance of Content-Based Filtering, Neural Collaborative Filtering,…
ing, and a combination of both in a movie recommendation system. The method used in this study involves retrieving movie details from the TMDB API and ratings from the MovieLens 32M Dataset (2010-2023). Each model's performance is evaluated using evaluation metrics such as RMSE and MAE. The results of this study indicate that Neural Collaborative Filtering achieves the best prediction performance (RMSE = 0.785423, MAE = 0.581262), followed by the hybrid model (RMSE = 0.800863, MAE = 0.660872), while Content-Based Filtering produces low performance and limits the capabilities of the hybrid model. In conclusion, these findings highlight the superiority of latent feature-based models such as NCF that learn directly from user interaction patterns over content-based approaches in the context of modern recommendation systems.
Keywords: content-based filtering; hybrid filtering; movie recommendation; neural collaborative filtering.
Abstrak: Sistem rekomendasi menjadi semakin penting seiring berkembangnya platform streaming. Tujuan dari penelitian ini adalah membandingkan kinerja Content-Based Filtering, Neural Collaborative Filtering dan kombinasi keduanya dalam sistem rekomendasi film. Metode yang digunakan dalam penelitian ini melibatkan pengambilan detail film dari TMDB API dan rating dari dataset MovieLens 32M Dataset (2010-2023). Setiap peforma model dievaluasi dengan menggunakan metrik evaluasi seperti RMSE dan MAE. Hasil dari penelitian ini menunjukkan bahwa Neural Collaborative Filtering mencapai kinerja prediksi terbaik (RMSE = 0.785423, MAE = 0.581262), diikuti oleh model hybrid (RMSE = 0.800863, MAE = 0.660872), sementara Content-Based Filtering menghasilkankan peforma yang rendah dan membatasi kemampuan model hybrid. Kesimpulannya, penelitian ini menyoroti superiotas model berbasis latent feature seperti NCF yang belajar langsung dari pola interaksi pengguna dibandingkan pendekatan berbasis konten dalam konteks sistem rekomendasi modern.
Kata kunci: content-based filtering; hybrid filtering; neural collaborative filtering; rekomendasi film.
Abstract:Abstract: In agriculture, irrigation systems are vital for enhancing water management and maximising plant growth. Effective irrigation management involves distributing sufficient quantities of water evenly to condition…
soil fertility for plants. This study aims to design a prototype that can be monitored via the Telegram app. The research methodology employs a thinking framework approach. The system is implemented using an Arduino Uno microcontroller and supporting devices, including an ESP8266 Wi-Fi module, an ultrasonic sensor, a soil moisture sensor, a stepper motor and a servo motor. Telegram serves as the monitoring tool, sending notifications connected to the Arduino via a Wi-Fi network. Test results showed that the system operates effectively: the HC-SR04 ultrasonic sensor functions as a water level reader, and the stepper motor opens and closes the water gate. Soil moisture monitoring uses a soil moisture sensor to measure the water content in the soil. If the sensor detects dry soil conditions or a moisture level below 60%, the servo motor will rotate 15° to close the water channel. Conversely, if the sensor detects wet or moist soil conditions, the servo motor will rotate 0° to close the water channel.
Keywords: arduino uno; irrigation system; soil moisture; ultrasonic sensor;
Abstract:Abstract: The online exam system is used to evaluate student learning, but it has some limitations. Therefore, it is necessary to research the user satisfaction of the system. This study aims to assess user satisfaction…
using the End User Computing Satisfaction (EUCS), Importance Performance Analysis (IPA), and Customer Satisfaction Index (CSI) methods. The results showed that three dimensions, namely, accuracy, ease of use, and timeliness significantly affected user satisfaction, while content and format did not have a significant effect. IPA analysis shows the majority of attributes (12 attributes) are in quadrant II, which indicates moderate satisfaction, 11 attributes in quadrant III, one attribute in quadrant I, and three attributes in quadrant IV. CSI concluded that the online exam system provides satisfactory service with a score of 77.54%.
Keywords: csi; eucs; ipa; online exam system; user satisfaction
Abstrak: Sistem ujian online digunakan untuk mengevaluasi pembelajaran mahasiswa, tetapi sistem ini memiliki beberapa keterbatasan. Karena itulah perlu penelitian kepuasan pengguna sistem tersebut. Penelitian ini bertujuan menilai kepuasan pengguna dengan menggunakan metode End User Computing Satisfaction (EUCS), Importance Performance Analisys (IPA), dan Customer Satisfaction Index (CSI). Hasil riset menunjukkan tiga dimensi yaitu, akurasi, kemudahan penggunaan, dan ketepatan waktu signifikan mempengaruhi kepuasan pengguna, sementara konten dan format tidak berpengaruh signifikan. Analisis IPA menunjukkan mayoritas atribut (12 atribut) berada di kuadran II, yang mengindikasikan kepuasan sedang, 11 atribut di kuadran III, satu atribut di kuadran I, dan tiga atribut di kuadran IV. CSI menyimpulkan sistem ujian online memberikan layanan yang memuaskan dengan skor 77,54%.
Kata kunci: csi; eucs; ipa; kepuasan pengguna; sistem ujian online
Abstract:Abstract: Hypertension is one of the chronic diseases that can increase the risk of cardiovascular disease. A healthy diet is an important factor in managing hypertension, but many patients struggle to choose foods that…
are suitable for their condition. Therefore, a decision support system is needed to help patients determine healthy food choices objectively and systematically. This research aims to apply the ELECTRE (Elimination Et Choix Traduisant La Réalité) method in determining healthy foods for hypertension patients. This method is used because it can handle various criteria simultaneously and provide recommendations based on a mathematical approach. Data were obtained from Serozha Clinic through interviews, observations, and literature reviews on the nutritional content of food. The research results show that the ELECTRE method is capable of providing healthy food recommendations with an accuracy level of 90%, higher than the manual technique which only reaches 70%. In addition, the time required in the decision-making process has significantly decreased. Patients also showed a higher level of satisfaction with the proposed system. In conclusion, the ELECTRE method has proven effective in helping hypertension patients choose foods that meet their nutritional needs, and can thus be used as a reference in the development of decision support systems in the health sector.
Keywords: electre method; healthy food; health management; hypertension.
Abstrak: Hipertensi merupakan salah satu penyakit kronis yang dapat meningkatkan risiko penyakit kardiovaskular. Pola makan yang sehat menjadi faktor penting dalam pengelolaan hipertensi, namun banyak pasien kesulitan dalam memilih makanan yang sesuai dengan kondisi mereka. Oleh karena itu, diperlukan sistem pendukung keputusan yang dapat membantu pasien dalam menentukan pilihan makanan sehat secara objektif dan sistematis. Penelitian ini bertujuan untuk menerapkan metode ELECTRE (Elimination Et Choix Traduisant La Realite) dalam menentukan makanan sehat bagi penderita hipertensi. Metode ini digunakan karena mampu menangani berbagai kriteria secara simultan dan memberikan rekomendasi berdasarkan pendekatan matematis. Data diperoleh dari Klinik Serozha melalui wawancara, observasi, serta tinjauan literatur mengenai kandungan gizi makanan.Hasil penelitian menunjukkan bahwa metode ELECTRE mampu memberikan rekomendasi makanan sehat dengan tingkat akurasi 90%, lebih tinggi dibandingkan teknik manual yang hanya mencapai 70%. Selain itu, waktu yang dibutuhkan dalam proses pengambilan keputusan berkurang secara signifikan. Pasien juga menunjukkan tingkat kepuasan yang lebih tinggi terhadap sistem yang diusulkan.Kesimpulannya, metode ELECTRE terbukti efektif dalam membantu penderita hipertensi memilih makanan yang sesuai dengan kebutuhan gizi mereka, sehingga dapat digunakan sebagai referensi dalam pengembangan sistem pendukung keputusan di bidang kesehatan.
Kata kunci: hipertensi; makanan sehat; metode electre; pengelolaan kesehatan.
Abstract:Abstract: Preventing stunting in toddlers is crucial for improving children's health and growth. Stunting occurs due to chronic nutritional deficiencies during the first 1,000 days of a child's life, affecting their height,…
ht, cognitive development, and immune system, which can reduce their future potential. Fruits play an important role in a toddler's diet because they are rich in vitamins, minerals, fiber, antioxidants, and other bioactive compounds that support physical growth and brain development. However, selecting the right fruits is vital because some fruits can cause digestive issues or allergies in toddlers. To assist parents in choosing the right fruits, a mobile-based expert system using the Certainty Factor method has been developed. This system provides recommendations based on the toddler's health condition and evaluates the nutritional content of fruits. With this system, parents can ensure that their toddlers receive optimal nutrition, contributing to stunting prevention and ensuring that the toddlers grow up healthy, intelligent, and with full potential in the future Choosing the right fruits and maintaining a balanced nutrition are crucial parts of supporting the sustainability of stunting prevention efforts.
Keywords: certainty factor method; expert system; fruit selection; stunting prevention; toddler nutrition
Abstrak: Pencegahan stunting pada batita sangat penting untuk meningkatkan kualitas kesehatan dan pertumbuhan anak. Stunting terjadi akibat kekurangan gizi kronis pada 1.000 hari pertama kehidupan batita, memengaruhi tinggi badan, perkembangan kognitif, dan sistem imun anak, yang berisiko mengurangi potensi masa depan mereka. Buah-buahan memiliki peran penting dalam pola makan batita, karena kaya akan vitamin, mineral, serat, antioksidan, dan senyawa bioaktif yang mendukung pertumbuhan fisik dan perkembangan otak. Namun, pemilihan buah yang tepat sangat penting karena beberapa buah dapat menyebabkan masalah pencernaan atau alergi pada batita. Untuk membantu orang tua dalam memilih buah yang sesuai, dikembangkan sistem pakar berbasis mobile dengan metode Certainty Factor. Sistem ini memberikan rekomendasi berdasarkan kondisi kesehatan batita, serta mengevaluasi kandungan nutrisinya. Dengan sistem ini, orang tua dapat memastikan bahwa batita mendapatkan nutrisi yang optimal dengan berkontribusi dalam pencegahan stunting dengan memastikan batita tumbuh sehat, cerdas, dan memiliki potensi penuh di masa depan. Pemilihan buah yang tepat dan nutrisi yang seimbang menjadi bagian penting dalam mendukung upaya keberlanjutan pencegahan stunting.
Kata kunci: batita; metode certainty factor; pemilihan buah; pencegahan stunting; sistem cerdas
Abstract:Abstract: Information content that meets user needs is an important aspect of a website. Quality testing, especially for sites that have never been tested, is necessary to ensure effectiveness. This research uses observation…
tion techniques, questionnaires, and literature studies related to the Webqual method and the End-User Computing Satisfaction (EUCS) variable. The variables used include Usability, Information Quality, Service Interaction Quality, User Satisfaction, and Content. The Webqual model is applied in this research through a questionnaire, which produces various data from respondents. The data is then processed and analyzed to produce accurate statistical data. From this research, the results of the questionnaire show that Service Interaction Quality has a low percentage, namely 72.72% (X3.2), where the full percentage is 100%. Apart from that, User Satisfaction also has a low percentage, namely 70.90% (Y.1). This shows that the Quality of Service Interaction has less than a positive effect on User Satisfaction. Therefore, improvements are needed in the Quality of Service Interaction section on the PT Yudo Indonesia website so that User Satisfaction also increases, especially in the aspects of security and meeting user needs.
Keywords: EUCS; website quality; webqual
Abstrak: Konten informasi yang memenuhi kebutuhan pengguna adalah aspek penting dari sebuah situs web. Uji kualitas, terutama untuk situs yang belum pernah diuji, diperlukan untuk memastikan efektivitasnya. Penelitian ini menggunakan teknik observasi, kuesioner, dan studi literatur terkait metode Webqual dan variabel End-User Computing Satisfaction (EUCS). Variabel yang digunakan antara lain Usability (Kualitas Kegunaan), Information Quality (Kualitas Informasi), Service Interaction Quality (Kualitas Interaksi Layanan), User Satisfaction (Kepuasan Pengguna), dan Content (Konten). Model Webqual diterapkan dalam penelitian ini melalui kuesioner, yang menghasilkan berbagai data dari responden. Data tersebut kemudian diolah dan dianalisis untuk menghasilkan data statistik yang akurat. Dari penelitian ini, hasil kuesioner menunjukkan bahwa Service Interaction Quality (Kualitas Interaksi Layanan) memiliki persentase yang rendah, yaitu 72,72% (X3.2), di mana persentase penuhnya adalah 100%. Selain itu, User Satisfaction (Kepuasan Pengguna) juga memiliki persentase rendah, yaitu 70,90% (Y.1). Hal ini menunjukkan bahwa Kualitas Interaksi Layanan kurang berpengaruh positif terhadap Kepuasan Pengguna. Oleh karena itu, diperlukan peningkatan pada bagian Kualitas Interaksi Layanan di situs web PT Yudo Indonesia agar Kepuasan Pengguna juga meningkat, terutama pada aspek keamanan dan pemenuhan kebutuhan pengguna.
Kata kunci: EUCS; kualitas website; webqual