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(Journal of Computer Engineering, System and Science) Proceeding SENDI_U Jurnal IPTEK-KOM (Jurnal Ilmu Pengetahuan dan Teknologi Komunikasi) Jurnal Inspiration KLIK (Kumpulan jurnaL Ilmu Komputer) (e-Journal) Proceeding of the Electrical Engineering Computer Science and Informatics PROtek : Jurnal Ilmiah Teknik Elektro Sistemasi: Jurnal Sistem Informasi JOIV : International Journal on Informatics Visualization Sinkron : Jurnal dan Penelitian Teknik Informatika Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) International Journal of Artificial Intelligence Research Creative Information Technology Journal SISFOTENIKA IJCIT (Indonesian Journal on Computer and Information Technology) Jurnal Ilmiah Universitas Batanghari Jambi INTENSIF: Jurnal Ilmiah Penelitian dan Penerapan Teknologi Sistem Informasi JIKO (Jurnal Informatika dan Komputer) JURNAL MEDIA INFORMATIKA BUDIDARMA Jurnal Pilar Nusa Mandiri Journal of Electrical Technology Syntax Literate: Jurnal Ilmiah Indonesia Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control CogITo Smart Journal InComTech: Jurnal Telekomunikasi dan Komputer Insect (Informatics and Security) : Jurnal Teknik Informatika Jurnal Eksplora Informatika JITK (Jurnal Ilmu Pengetahuan dan Komputer) JOURNAL OF APPLIED INFORMATICS AND COMPUTING Jurnal Komtika (Komputasi dan Informatika) JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI Jurnal Informatika Universitas Pamulang Applied Information System and Management Jurnal Sinergitas PkM & CSR Jurnal Sisfokom (Sistem Informasi dan Komputer) ILKOM Jurnal Ilmiah RESEARCH : Computer, Information System & Technology Management INTECOMS: Journal of Information Technology and Computer Science JurTI (JURNAL TEKNOLOGI INFORMASI) Angkasa: Jurnal Ilmiah Bidang Teknologi Jiko (Jurnal Informatika dan komputer) CARADDE: Jurnal Pengabdian Kepada Masyarakat CYBERNETICS Digital Zone: Jurnal Teknologi Informasi dan Komunikasi JURIKOM (Jurnal Riset Komputer) Journal on Education JURTEKSI Jurnal Informasi dan Komputer Multitek Indonesia : Jurnal Ilmiah Jurnal Manajemen Informatika Jambura Journal of Informatics JIPI (Jurnal Ilmiah Penelitian dan Pembelajaran Informatika) EXPLORE ComTech: Computer, Mathematics and Engineering Applications CSRID (Computer Science Research and Its Development Journal) Jurnal Ilmiah Sinus Informasi Interaktif Majalah Ilmiah Bahari Jogja CCIT (Creative Communication and Innovative Technology) Journal EDUMATIC: Jurnal Pendidikan Informatika Jurnal Abdimas PHB : Jurnal Pengabdian Masyarakat Progresif Humanis Brainstorming M A T H L I N E : Jurnal Matematika dan Pendidikan Matematika TAFAQQUH: Jurnal Hukum Ekonomi Syariah Dan Ahwal Syahsiyah Jutisi: Jurnal Ilmiah Teknik Informatika dan Sistem Informasi Technologia: Jurnal Ilmiah JURNAL TAHURI SENSITEK E-JURNAL JUSITI : Jurnal Sistem Informasi dan Teknologi Informasi Aisyah Journal of Informatics and Electrical Engineering Jurnal Manajemen Informatika dan Sistem Informasi Journal of Information Systems and Informatics TAJDID KURVATEK Jurnal Teknologi Informasi : Jurnal Keilmuan dan Aplikasi Bidang Teknik Informatika Jurnal Tecnoscienza Respati Jurnal Teknika IT (INFORMATIC TECHNIQUE) JOURNAL JOURNAL OF INFORMATION SYSTEM MANAGEMENT (JOISM) Journal of Intelligent Decision Support System (IDSS) G-Tech : Jurnal Teknologi Terapan International Journal of Advances in Data and Information Systems Jurnal Sistem Komputer dan Informatika (JSON) Journal of Innovation Information Technology and Application (JINITA) Jurnal Informa: Jurnal Penelitian dan Pengabdian Masyarakat Bulletin of Computer Science and Electrical Engineering (BCSEE) Infotek : Jurnal Informatika dan Teknologi jurnal syntax admiration Jurnal TIKOMSIN (Teknologi Informasi dan Komunikasi Sinar Nusantara) TEPIAN Infokes : Jurnal Ilmiah Rekam Medis dan Informasi Kesehatan JURNAL TEKNOLOGI TECHNOSCIENTIA Jurnal Teknik Informatika (JUTIF) Jurnal Teknimedia: Teknologi Informasi dan Multimedia JNANALOKA Journal of Electrical Engineering and Computer (JEECOM) Journal of Applied Data Sciences Jurnal FASILKOM (teknologi inFormASi dan ILmu KOMputer) Mitra Mahajana: Jurnal Pengabdian Masyarakat Journal of Applied Computer Science and Technology (JACOST) Jurnal Pendidikan dan Teknologi Indonesia International Journal of Computer and Information System (IJCIS) Jurnal Informatika dan Teknologi Komputer ( J-ICOM) International Research on Big-data and Computer Technology (IRobot) Bulletin of Computer Science Research INFOSYS (INFORMATION SYSTEM) JOURNAL J-SAKTI (Jurnal Sains Komputer dan Informatika) Jurnal Saintekom : Sains, Teknologi, Komputer dan Manajemen Journal Automation Computer Information System (JACIS) Jurnal Ekonomi dan Teknik Informatika International Journal Artificial Intelligent and Informatics Jurnal Ilmiah IT CIDA : Diseminasi Teknologi Informasi Jurnal Dinamika Informatika (JDI) Jurnal Nasional Teknik Elektro dan Teknologi Informasi Jurnal Informatika Teknologi dan Sains (Jinteks) Duta.com : Jurnal Ilmiah Teknologi Informasi dan Komunikasi Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram EXPLORE Journal of Comprehensive Science Techno SENTRI: Jurnal Riset Ilmiah Indonesian Journal Computer Science (ijcs) Jurnal Educative: Journal of Educational Studies Jurnal Ilmiah Sistem Informasi dan Ilmu Komputer JURNAL TEKNIK INDUSTRI STORAGE: Jurnal Ilmiah Teknik dan Ilmu Komputer Jurnal Pendidikan Indonesia (Japendi) Cerdika: Jurnal Ilmiah Indonesia International Journal of Advanced Science Computing and Engineering Innovative: Journal Of Social Science Research J-Icon : Jurnal Komputer dan Informatika Prosiding SEMNAS INOTEK (Seminar Nasional Inovasi Teknologi) SmartComp Fahma : Jurnal Informatika Komputer, Bisnis dan Manajemen Jurnal Informatika Polinema (JIP) Jurnal Informatika: Jurnal Pengembangan IT Teknomatika: Jurnal Informatika dan Komputer Proceeding of International Conference on Information Science and Technology 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DEVELOPMENT RICE PLANT DISEASE CLASSIFICATION USING CNN WITH TRANSFER LEARNING Fitrony, Fachri Ayudi; Utami, Ema
JURTEKSI (jurnal Teknologi dan Sistem Informasi) Vol. 11 No. 4 (2025): September 2025
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LPPM) STMIK Royal Kisaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33330/jurteksi.v11i4.4159

Abstract

Abstract: The rice plant, Oryza sativa, is a major food source in Indonesia. This plant is processed into rice, a staple food for the Indonesian people. Rice growth is crucial to ensure the rice produced is of good quality. One part of the rice plant that is susceptible to disease is the leaves, which can inhibit growth and reduce rice quality. Therefore, early detection and accurate classification of rice diseases are crucial to minimize these negative impacts. This has driven the development of a Deep Learning model capable of high-performance automatic classification. This study aims to create a rice leaf classification model using the CNN algorithm and several transfer learning architectures such as ResNet101, VGG16, and Xception. A dataset of 859 rice leaf images collected from the Kaggle website was then processed using augmentation techniques to a total of 2,439 images, plus 215 smartphone photos for external data validation. Thus, the total dataset increased to 2,656 images, covering four categories: leafblast, brownspot, healthy, and hispa. The model was processed in two stages: on the initial dataset (Non-Augmented Dataset) and the Augmented Dataset. The best experimental results were obtained using the ResNet architecture, with a training accuracy of 96.17% and a validation accuracy of 95.22%. Based on the research results, the rice plant disease classification model using deep learning demonstrated good performance. Keywords: convolutional neural network; deep learning; fine-tuning; image classification; resnet; rice plant
PERBANDINGAN ALGORITMA SVM DAN RANDOM FOREST PADA KLASIFIKASI KESEHATAH MENTAL BERDASARKAN SLEEP DISORDERS Pulungan, Linda Nurul Taqwa; Utami, Ema
JIPI (Jurnal Ilmiah Penelitian dan Pembelajaran Informatika) Vol 10, No 3 (2025)
Publisher : STKIP PGRI Tulungagung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29100/jipi.v10i3.7392

Abstract

Kesehatan mental semakin menjadi isu global yang mendesak, dengan meningkatnya prevalensi gangguan mental yang mempengaruhi jutaan individu di seluruh dunia. Penelitian ini bertujuan untuk mengevaluasi kinerja dua algoritma pembelajaran mesin, yaitu Support Vector Machine (SVM) dan Random Forest, dalam mendeteksi gangguan kesehatan mental melalui analisis pola tidur. Data yang digunakan berasal dari dataset "Stress Level Detection" di Kaggle, yang telah mengalami augmentasi menjadi 1.375 sampel. Dataset dibagi menjadi 80% untuk pelatihan model dan 20% untuk pengujian. Hasil penelitian menunjukkan bahwa algoritma Random Forest memiliki kinerja yang lebih baik dibandingkan SVM, dengan akurasi mencapai 91% dan F1-score rata-rata 89%. Sementara itu, SVM memperoleh akurasi 83% dan F1-score rata-rata 81%. Secara spesifik, Random Forest lebih efektif dalam mendeteksi pola tidur normal serta gangguan seperti insomnia. Temuan ini menunjukkan potensi pembelajaran mesin, terutama Random Forest, sebagai alat yang efektif untuk deteksi dini gangguan kesehatan mental melalui analisis pola tidur, yang dapat digunakan untuk mendukung diagnosis lebih cepat dan akurat.
VARFIS: A Hybrid Neuro-Fuzzy Model for Intelligent Microclimate Control in Black Soldier Fly Farming Systems Yunita Sartika Sari; Kusrini; Ema Utami; Ferry Wahyu Wibowo
JURNAL TEKNIK INFORMATIKA Vol. 18 No. 2: JURNAL TEKNIK INFORMATIKA
Publisher : Department of Informatics, Universitas Islam Negeri Syarif Hidayatullah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/jti.v18i2.46610

Abstract

Maintaining optimal microclimate conditions is essential for Black Soldier Fly (BSF) cultivation, yet traditional systems often struggle with dynamic environmental changes. This study proposes the Vector Autoregressive-Fuzzy Inference System (VARFIS), a hybrid model combining Vector Autoregression (VAR) and Adaptive Neuro-Fuzzy Inference System (ANFIS), to enhance temperature and humidity control in BSF insectariums. VARFIS adapts to uncertainty using probabilistic learning, achieving a 48% reduction in prediction error (MAPE = 1.36%) and high accuracy (R² = 0.9695), outperforming standalone VAR and ANFIS models. The model effectively captures daily climate fluctuations, improving larval growth efficiency and waste conversion. However, it remains limited in handling extreme events such as sudden heatwaves or humidity spikes, indicating the need for enhancements like adaptive fuzzy rule tuning and integration of physical constraints. VARFIS presents a scalable solution for intelligent microclimate management, supporting sustainable insect farming and circular economy goals. This work contributes to precision agriculture by offering data-driven tools for resilient environmental control.
Inception-ResNet-V2 The U-Net Encoder for Road Segmentation using Sentinel 2A Yanuargi, Bayu; utami, ema
ComTech: Computer, Mathematics and Engineering Applications Vol. 16 No. 2 (2025): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v16i2.12089

Abstract

Updating road network maps is essential for transportation services, as incomplete or inaccurate maps can lead to inefficiencies and diminish service quality. The online transportation industry generates vast amounts of GPS data as drivers navigate, which is valuable for mapping road networks and improving traffic management. However, since drivers do not cover all roads, satellite imagery plays a crucial role in identifying areas that are not mapped. By combining GPS data as labels with satellite imagery, the extraction of new road networks becomes more accurate. This research employs a deep learning Convolutional Neural Network (CNN) with the U-Net architecture for road segmentation, allowing for the identification of new paths. Two different encoders are tested in this research: Inception-ResNet-V2 and a pure U-Net encoder. The Inception-ResNet-V2 encoder achieves an accuracy of 91.3%, while the pure U-Net encoder achieves 90.7%. In terms of Dice Loss, the models record values of 0.051 and 0.08, respectively. The research highlights the effectiveness of different U-Net encoders in road network segmentation. With high accuracy and low Dice Loss, this approach provides a reliable method for automatically updating road maps. It has potential applications in navigation systems, urban planning, and AI-driven intelligent transportation systems.
Praktik Murabahah Emas Pada Bank Syariah di Indonesia Berdasarkan Tinjauan Hukum Fiqih Muamalah Juni Marianti, Dina; Rasyida, Zulfa; Utami, Ema
At-Tahdzib: Jurnal Studi Islam dan Muamalah Vol 10 No 2 (2022): At-Tahdzib
Publisher : Sekolah Tinggi Agama Islam At-Tahdzib, Ngoro, Jombang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61181/at-tahdzib.v10i2.275

Abstract

Background. This study exists to examine the concept of investing or saving gold in Islamic banks which is carried out with the murabahah (buying and selling) financing model. Researchers found a problem, namely in the murabahah contract, and the gold payment mechanism which was carried out by means of fixed monthly installments.Aim. This paper aims to present the practice of gold murabahah at Bank Mandiri Syariah as an evaluation of the practice of saving gold with gold murabahah contracts in Islamic banksMethods. This study uses a comparative approach analysis method by analyzing the comparative law used by Islamic banks, namely the DSN MUI fatwa with a review of Fiqh muamalah according to the number of scholars. To explain this, the researcher uses a qualitative descriptive method with a muamalah fiqh approach, through this approach the researcher suggests how to practice according to the Shari'a.Results. The researcher found that there were differences of opinion among scholars regarding the concept of murabahah, and gold installments which the majority of scholars forbade it. Therefore, this study contributes to the analysis of the practice of saving gold in Islamic banks based on the fiqh muamalah review.
Graduation Prediction for Prospective University Students using Stacking Ensemble Learning Swastikawati, Claudia; Utami, Ema
Sistemasi: Jurnal Sistem Informasi Vol 14, No 6 (2025): Sistemasi: Jurnal Sistem Informasi
Publisher : Program Studi Sistem Informasi Fakultas Teknik dan Ilmu Komputer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32520/stmsi.v14i6.5535

Abstract

Student graduation is an important indicator in accreditation and serves as part of quality management strategies in higher education. Therefore, early prediction of student graduation is necessary to improve the effectiveness of data-driven admission decision-making. Differences in student graduation rates are influenced by a combination of academic, demographic, economic, and family factors. This study applies the Stacking Ensemble Learning method by combining Random Forest, K-Nearest Neighbors, and Support Vector Machine, with XGBoost serving as the meta-learner. The dataset used integrates student admission records and graduation status reports from the NeoFeeder PDDikti system, covering 16 academic and non-academic feature variables. The model was evaluated using accuracy, precision, recall, F1-score, and Area Under the Curve (AUC). The results show that the stacking ensemble model outperformed single models, achieving 82% accuracy, a weighted F1-score of 80%, and an AUC of 87.15% on the test data. These findings contribute both the selected feature set and the implementation of an ensemble model for building a machine learning–based prediction system, particularly in addressing data imbalance and improving classification accuracy.
Reading Comprehension Strategies in EFL Classrooms: A Cognitive and Sociolinguistic Approach in Indonesian Schools Utami, Ema; Rahmat, Rahmat
Jurnal Tahuri Vol 20 No 1 (2023): February 2023
Publisher : Jurusan Pendidikan Bahasa dan Seni FKIP Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/tahurivol20issue1page40-58

Abstract

This study analyzes students’ reading comprehension strategies in the context of English as a Foreign Language (EFL) instruction in Indonesian schools through a cognitive and sociolinguistic approach. It focuses on how Indonesian learners interpret English texts when their linguistic proficiency is limited and when the sociocultural context of the text differs from their local experiences. Employing a qualitative multiple-case study design, the research was conducted in three secondary schools in Bandung Regency. Data were collected through classroom observations, teacher and student interviews, and analysis of students’ reading exercises and written reflections. The analysis integrated the framework of cognitive reading strategies, metacognition, inference, prediction, and self-monitoring, with the sociolinguistic perspective of literacy events to explore the relationship between individual cognitive processes and the social context of learning. The findings reveal that students who actively employ predicting, questioning, and summarizing strategies demonstrate deeper textual understanding. Linking reading materials to local sociocultural contexts, such as environmental issues or community traditions, significantly enhances motivation and engagement. However, a gap remains between teacher-centered instruction and students’ social experiences of meaning-making. The study introduces the Cognitive-Sociolinguistic Reading Framework, which integrates cognitive and sociolinguistic theories to reconceptualize reading comprehension as both a mental and sociocultural practice, contributing theoretical and pedagogical insights for EFL education in Southeast Asia.
Meningkatkan Dataset CodeXGLUE dengan Representasi Abstract Syntax Tree (AST) Ter Seragam untuk Analisis Kode Lintas Bahasa Siswo Utomo, Mardi; Utami, Ema; Kusrini, Kusrini; Setyanto, Arief
Jurnal Teknologi Informasi dan Ilmu Komputer Vol 12 No 5: Oktober 2025
Publisher : Fakultas Ilmu Komputer, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25126/jtiik.2025125

Abstract

Dataset kode sumber populer seperti CodeXGLUE belum menyediakan representasi sintaksis yang diseragamkan untuk penelitian lintas bahasa pemrograman. Hal ini akan menyulitkan saat dilakukan penelitian yang berkaitan dengan analisis syntax-aware. Penelitian ini menyediakan representasi sintaksis yang diseragamkan untuk memperkaya dataset CodeXGLUE.  Kami menghadirkan dataset CodeXGLUE-AST (Abstract Syntax Tree) seragam untuk enam bahasa pemrograman: Go, Java, JavaScript, Python, Ruby, dan PHP. AST diekstraksi menggunakan Tree-sitter dan disimpan dalam format JSON terstruktur. Untuk menjaga konsistensi antar bahasa, kemudian dilakukan klasifikasi dan pemetaan tipe node guna menyatukan representasi struktur AST. Evaluasi dataset menggunakan analisis kelengkapan struktur AST, pengukuran akurasi rekonstruksi kode menggunakan skor BLEU, serta pengujian ekstraksi Data Flow Graph (DFG) untuk menjaga ketergantungan antar variabel. Selain itu juga dilakukan pengujian pada tugas peringkasan kode menggunakan model CodeT5 yang menunjukkan peningkatan nilai BLEU, METEOR, ROUGE dan ROUGE-L hampir disemua percobaan saat menggunakan AST yang diseragamkan. Dengan representasi AST yang telah diseragamkan, diharapkan pengembangan model ML multi bahasa yang lebih andal dan sadar sintaksis untuk tugas-tugas seperti klasifikasi kode, pembuatan ringkasan kode, dan rekonstruksi program akan menjadi lebih berkembang.   Abstract Popular source code datasets like CodeXGLUE have not yet provided a standardized syntactic representation for cross-programming language research. This data gap will complicate research related to syntax-aware analysis. This research provides a standardized syntactic representation to enrich the CodeXGLUE dataset. We present a uniform CodeXGLUE-AST (Abstract Syntax Tree) dataset for six programming languages: Go, Java, JavaScript, Python, Ruby, and PHP. The AST is extracted using Tree-sitter and stored in a structured JSON format. To maintain consistency across languages, classification and mapping of node types were then performed to unify the AST structure representation. The dataset evaluation used AST structure completeness analysis, code reconstruction accuracy measurement using BLEU scores, and Data Flow Graph (DFG) extraction testing to maintain variable dependencies. Additionally, testing was conducted on the code summarization task using the CodeT5 model, which showed an increase in BLEU, METEOR, ROUGE, and ROUGE-L scores in almost all experiments when using the standardized AST. With the standardized AST representation, it is hoped that the development of more reliable and syntax-aware multilingual ML models for tasks such as code classification, code summarization, and program reconstruction will become more advanced.
Pengembangan dan Validasi Instrumen Kuesioner pada Model Evaluasi Game Digital Meega+ dengan Exploratory Factor Analysis (EFA) dan Cronbach’s Alpha Kurniawan, Mei; M. Suyanto; Utami, Ema; Kusrini
Jurnal Teknologi Informasi dan Ilmu Komputer Vol 12 No 5: Oktober 2025
Publisher : Fakultas Ilmu Komputer, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25126/jtiik.2025125

Abstract

Kemajuan pesat teknologi Game Edukasi Digital (DEG) berimbas pada meningkatnya kebutuhan evaluasi terhadap game edukasi yang lebih reliabel (dapat diandalkan). Model evaluasi MEEGA+ saat ini masih memiliki keterbatasan dalam hal aspek control dan feedback yang memiliki dampak pada nilai hasil evaluasi. Penelitian ini bertujuan untuk mengembangkan dan memvalidasi instrumen kuesioner MEEGA+ yang berbasis pada pendekatan statistik, termasuk Exploratory Factor Analysis (EFA) dan Cronbach’s Alpha, untuk meningkatkan keandalan dan validitas evaluasi DEG. Metode penelitian yang digunakan adalah pendekatan kuantitatif dengan desain survei eksplanatori. Instrumen dikembangkan berdasarkan model MEEGA+ yang dimodifikasi, kemudian diuji melalui penyebaran kuesioner daring kepada responden. Studi kasus dilakukan pada game edukasi Minecraft dan Duolingo melalui survei secara daring dengan melibatkan 1.200 siswa SMA yang tersebar di seluruh wilayah Indonesia. Data yang terkumpul dianalisis menggunakan teknik Exploratory Factor Analysis (EFA) untuk mengidentifikasi struktur faktor, dan dilanjutkan dengan pengujian reliabilitas menggunakan nilai Cronbach’s Alpha pada berbagai variasi jumlah butir pertanyaan. Analisis dilakukan melalui variasi kombinasi pertanyaan (sebanyak 1, 2, dan 3 butir). Hasil penelitian kemudian menunjukkan bahwa kuesioner dengan hanya 2 butir pertanyaan (a dan b) ternyata menghasilkan reliabilitas tertinggi dengan nilai Cronbach’s Alpha sebesar 0,903 untuk game edukasi Minecraft dan 0,913 untuk game edukasi bahasa Duolingo. Hasil ini tentu saja melampaui nilai Cronbach’s Alpha model MEEGA+ saat ini yaitu hanya sebesar 0,866. Temuan ini memberikan kontribusi dalam pengembangan instrument alat evaluasi MEEGA+, sekaligus juga mencerminkan kebaruan dalam pendekatan yang digunakan. Instrumen temuan ini diharapkan mampu menjadi alat evaluasi yang lebih relevan dan signifikan untuk mendukung peningkatan kualitas DEG dalam pendidikan modern saat ini dan kedepannya nanti.   Abstract The rapid advancement of Digital Educational Game (DEG) technology has resulted in the increasing need for more reliable evaluation of educational games. The current MEEGA+ evaluation model still has limitations regarding control and feedback aspects that impact the evaluation result value. This study aims to develop and validate the MEEGA+ questionnaire instrument based on a statistical approach, including Exploratory Factor Analysis (EFA) and Cronbach's Alpha, to improve the reliability and validity of the DEG evaluation. The research method used is a quantitative approach with an explanatory survey design. The instrument was developed based on the modified MEEGA+ model, then tested through the distribution of online questionnaires to respondents. The case study was conducted on Minecraft and Duolingo educational games through an online survey involving 1,200 high school students spread throughout Indonesia. The collected data was analyzed using the Exploratory Factor Analysis (EFA) technique to identify the factor structure and continued with reliability testing using Cronbach's Alpha values ​​on various variations in the number of questions. The analysis was done through various question combinations (as many as 1, 2, and 3 items). The study results then showed that the questionnaire with only two questions (a and b) produced the highest reliability with a Cronbach's Alpha value of 0.903 for the Minecraft educational game and 0.913 for the Duolingo language educational game. These results certainly exceed the Cronbach's Alpha value of the current MEEGA+ model, which is only 0.866. These findings contribute to developing the MEEGA+ evaluation tool instrument while also reflecting the novelty of the approach used. It is anticipated that the results of this instrument will be a more pertinent and important assessment tool to help raise the standard of DEG in contemporary education both now and in the future.  
Analysis of the Similiarity Level of Source Code in the Kotlin Programming Language using Winnowing Algorithm Astica, Yustikamasy; Utami, Ema; Hartanto, Anggit Dwi
International Journal of Artificial Intelligence Research Vol 7, No 1 (2023): June 2023
Publisher : Universitas Dharma Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29099/ijair.v7i1.902

Abstract

Plagiarism is an act of imitating the work of others directly or indirectly. In an academic environment, plagiarism applies not only to textual documents but also to source code documents. Source code plagiarism in academia usually occurs when students copy another student's code and submit it as if it were the student's work. So that an automatic plagiarism check is needed, the winnowing algorithm will be used to help detect similarities in source code as a way to detect an act of plagiarism. The Winnowing algorithm, which is usually used to detect document plagiarism, this research detects the source code. The results produced in this study are that the degree of similarity in the two source codes will produce different similarity values if the dataset used has gone through the text preprocessing stage or without preprocessing. If the dataset has gone through the text preprocessing stage, the similarity value will be pretty low because the number of characters used is significantly reduced. The Winnowing and Jaccard Similarity algorithms quickly detect plagiarism in source code and can be used to minimize plagiarism.
Co-Authors , Anggit Dwi Hartanto A.A. 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