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DOAJ Open Access
The Sensitivity of Variational Bayesian Neural Network Performance to Hyperparameters
Data Science in Science, Vol 5, Iss 1 (2026) | ISSN: 2694-1899
In scientific applications, predictive modeling is often of limited use without accurate uncertainty quantification (UQ) to indicate when a model may be extrapolating or when more data needs to be collected. Bayesian Neural Networks (BNNs) produce pr...
Repositori Institusi
Prediksi Trend Harga Saham Bbri Menggunakan Algoritma Random Forest Dengan Analisis Teknikal
Thesis
Fluktuasi harga saham yang tinggi menjadi tantangan dalam pengambilan
keputusan investasi. Penelitian ini mengembangkan model prediksi arah pergerakan
harga saham BBRI menggunakan algoritma Random Forest yang dipadukan
dengan indikator teknikal da...
Repositori Institusi
Peningkatan Performa Model Gradient Boosting dalam Klasifikasi Stroke Melalui Optimasi Grid Search
This study investigates the effect of hyperparameter optimization with grid search on the XGBoost and LightGBM models in
stroke classification. The research results show that parameter optimization significantly improves the performance of both
mod...
Jurnal Institusi
Hyperparameter Optimization of IndoBERT for DeepSeek User Sentiment Analysis
Digital Zone: Jurnal Teknologi Informasi dan Komunikasi; Vol. 17 No. 1 (2026): Digital Zone: Jurnal Teknologi Informasi dan Komunikasi; 80-94
This study aims to evaluate the performance of the IndoBERT model in sentiment classification of user reviews for the DeepSeek application on the Google Play Store. The reviews were categorized into three sentiment classes: positive, neutral, and neg...
Jurnal Institusi
OPTIMALISASI ALGORITMA SUPPORT VECTOR MACHINE PADA ASPECT-BASED SENTIMENT ANALYSIS MENGGUNAKAN GRIDSEARCHCV
ZONAsi: Jurnal Sistem Informasi; Vol. 7 No. 1 (2025): Publikasi artikel ZONAsi: Jurnal Sistem Informasi Periode Januari 2025; 271 - 279
Support Vector Machine (SVM) merupakan salah satu algoritma Machine Learning yang umum digunakan untuk menyelesaikan permasalahan klasifikasi. SVM sangat baik digunakan untuk klasifikasi biner, tetapi masih kurang optimal dalam melakukan klasifikasi ...
Jurnal Institusi
A HYBRID INTELLIGENCE FRAMEWORK FOR PERSONALIZED EYEWEAR RECOMMENDATION: INTEGRATING HAAR CASCADE LOCALIZATION WITH A GENETICALLY TUNED CNN CLASSIFIER
ZONAsi: Jurnal Sistem Informasi; Vol. 8 No. 1 (2026): Publikasi artikel ZONAsi: Jurnal Sistem Informasi Periode Januari 2026; 96 - 110
A hybrid intelligence framework was presented to improve eyewear recommendations through robust face shape classification. A Haar Cascade Classifier was integrated for initial facial localization, alongside a Convolutional Neural Network (CNN) based ...
Jurnal Institusi
KLASIFIKASI SENTIMEN MENGGUNAKAN BIDIRECTIONAL LSTM DAN INDOBERT DENGAN DATASET TERBATAS
ZONAsi: Jurnal Sistem Informasi; Vol. 7 No. 1 (2025): Publikasi artikel ZONAsi: Jurnal Sistem Informasi Periode Januari 2025; 74 - 84
Untuk mendapatkan informasi melalui media sosial mengenai popularitas termasuk juga sentimen masyarakat terhadap para tokoh politik, masalah waktu menjadi krusial. Oleh karena itu, menganalisis hal tersebut menggunakan komputer menjadi pilihan. Namun...
Jurnal Institusi
UTILIZATION OF MACHINE LEARNING ALGORITHMS FOR CUSTOMER COMPLAINT CLASSIFICATION AT PERUMDAM
JAISEN: Journal of Advanced Information Systems and Engineering; Vol. 1 No. 1 (2025): JAISEN: Journal of Advanced Information Systems and Engineering ; 9-17
In today's digital era, managing customer complaints poses a significant challenge for public service providers, such as the Regional Drinking Water Company (PERUMDAM). With the increasing number of customers and the complexity of complaints, ma...
Jurnal Institusi
Optimization of LSTM and GRU Deep Learning Models for Tidal Sea Level Time Series Prediction to Support Early Warning Systems
JAISEN: Journal of Advanced Information Systems and Engineering; Vol. 1 No. 2 (2026): JAISEN: Journal of Advanced Information Systems and Engineering ; 1-11
Coastal regions are increasingly vulnerable to hazards associated with tidal sea level variability, including recurrent tidal flooding that threatens coastal infrastructure and communities. Accurate tidal prediction is therefore essential to support ...
Jurnal Institusi
Optimization of a Hybrid NLP Model for Multi-Aspect Sentiment Analysis of the Minister of Finance of the Republic of Indonesia
JAISEN: Journal of Advanced Information Systems and Engineering; Vol. 1 No. 2 (2026): JAISEN: Journal of Advanced Information Systems and Engineering ; 49-59
The rapid growth of social media platforms has created extensive opportunities to analyze public opinion toward government policies using computational approaches. Public discussions related to fiscal governance, particularly those involving the Mini...
Jurnal Institusi
EKSPLORASI FITUR FASTTEXT, TF-IDF DAN INDOBERT PADA METODE K-NEAREST NEIGHBOR UNTUK KLASIFIKASI SENTIMEN
ZONAsi: Jurnal Sistem Informasi; Vol. 7 No. 1 (2025): Publikasi artikel ZONAsi: Jurnal Sistem Informasi Periode Januari 2025; 49 - 60
Sentiment classification is essential for analyzing public opinion, particularly on social media issues. One of the main challenges in sentiment classification is the limited amount of training data, which often affects the model's ability to ma...
Jurnal Institusi
PENGATURAN PADA PEMBANGKIT MIKROHIDRO MENGGUNAKAN PID-NBA (NOVEL BAT ALGORITHM)
SEMASTER: Seminar Nasional Teknologi Informasi & Ilmu Komputer; Vol. 1 No. 1 (2020): Prosiding SEMASTER: Seminar Nasional Teknologi Informasi & Ilmu Komputer; 75-82
Salah satu permasalahan umum pada pembangkit mikrohidro adalah perubahan beban dari sisi konsumen. Sehingga beberapa cara digunakan untuk memperbaiki permasalahan tersebut. Pada penelitian ini, diusulkan pengaturan frekuensi pada pembangkit mikrohidr...
Jurnal Institusi
Hyperparameter Optimization of the Perceptron Algorithm for Determining the Feasibility of Research Proposals and Community Service
Digital Zone: Jurnal Teknologi Informasi dan Komunikasi; Vol. 15 No. 2 (2024): Digital Zone: Jurnal Teknologi Informasi dan Komunikasi; 172-181
Higher education in Indonesia includes diploma, bachelor, master, specialist, and doctoral programmes organised by universities. The Institute for Research and Community Service (LPPM) is in charge of assessing lecturers' proposals. This researc...
Jurnal Institusi
PENERAPAN METODE LOGISTIC REGRESSION UNTUK KLASIFIKASI SENTIMEN PADA DATASET TWITTER TERBATAS
ZONAsi: Jurnal Sistem Informasi; Vol. 7 No. 1 (2025): Publikasi artikel ZONAsi: Jurnal Sistem Informasi Periode Januari 2025; 95 - 107
Kecepatan dan akurasi menjadi semakin penting dalam analisis sentimen publik, terutama di media sosial seperti Twitter, yang sering digunakan untuk menyampaikan opini terkait berbagai isu terkini. Penelitian ini mengaplikasikan metode Logistic Regres...
Jurnal Institusi
SVM Method with FastText Representation Feature for Classification of Twitter Sentiments Regarding the Covid-19 Vaccination Program
Digital Zone: Jurnal Teknologi Informasi dan Komunikasi; Vol. 13 No. 2 (2022): Digital Zone: Jurnal Teknologi Informasi dan Komunikasi; 140-150
Covid-19 is a virus that has a high level of spread, making the government implement a mass vaccination program throughout Indonesia. This program received a lot of responses from the public, with positive and negative opinions or comments. Currently...
Jurnal Institusi
Penerapan Ensemble Learning Untuk Klasifikasi Preferensi Film Pada Dataset Movielens Dengan Penanganan Kelas Tidak Seimbang
SEMASTER: Seminar Nasional Teknologi Informasi & Ilmu Komputer; Vol. 4 No. 1 (2025): Prosiding SEMASTER: Seminar Nasional Teknologi Informasi & Ilmu Komputer; 127-142
Sistem rekomendasi film semakin dibutuhkan seiring bertambahnya jumlah konten digital dan meningkatnya kebutuhan pengguna akan rekomendasi yang sesuai dengan preferensi mereka. Penelitian ini berfokus pada klasifikasi preferensi pengguna terhadap fil...
Jurnal Institusi
Deep Learning for Horticulture: Convolutional Neural Network Driven Classification of Banana Types
Digital Zone: Jurnal Teknologi Informasi dan Komunikasi; Vol. 16 No. 1 (2025): Digital Zone: Jurnal Teknologi Informasi dan Komunikasi; 12-25
One of the most widely grown horticulture fruits in Indonesia is the banana. In addition to its various health benefits, bananas are a good source of carbohydrates and vitamins A, C, and E. There are a lot of different kinds of bananas in Indonesia, ...
Jurnal Institusi
Integration of Explainable AI (XAI) Models for ESG Reporting within a Sustainable Enterprise Information System Governance Framework
JAISEN: Journal of Advanced Information Systems and Engineering; Vol. 1 No. 2 (2026): JAISEN: Journal of Advanced Information Systems and Engineering ; 12-31
Climate change demands transparent and evidence-based sustainability governance. This study develops an Explainable Artificial Intelligence–Enabled Decision Support System (XAI-EDSS) to predict and explain Indonesia’s carbon emissions within t...
Jurnal Institusi
Sensitivity Analysis of Parameter Control in Leukemia Classification Using Variable-Length Particle Swarm Optimization
Digital Zone: Jurnal Teknologi Informasi dan Komunikasi; Vol. 16 No. 2 (2025): Digital Zone: Jurnal Teknologi Informasi dan Komunikasi ; 58-71
Machine learning has the potential to support hematologists in classifying leukemia by identifying abnormal chromosomes and specific gene markers. One effective technique for feature selection is Variable-Length Particle Swarm Optimization (VLPSO), w...
PubMed
Hyperparameter Tuning with High Performance Computing Machine Learning for Imbalanced Alzheimer’s Disease Data
Appl Sci (Basel)
Accurate detection is still a challenge in machine learning (ML) for Alzheimer’s disease (AD). Class imbalance in imbalanced AD data is another big challenge for machine-learning algorithms working under the assumption that the data are evenly dist...