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Journal : International Journal of Informatics, Economics, Management and Science

Retrieval Augment Generation (RAG) Governance Architecture for Enterprise Information Systems Kesuma, Chandra
International Journal of Informatics, Economics, Management and Science Vol 4 No 2 (2025): IJIEMS (August 2025)
Publisher : Sekolah Tinggi Manajemen Informatika dan Komputer Jayakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52362/ijiems.v4i2.2051

Abstract

Abstract: Retrieval-Augmented Generation (RAG) has emerged as one of the most advanced approaches in leveraging large language models (LLMs) by combining them with knowledge-based retrieval mechanisms. Unlike pure LLMs that solely rely on pre-trained data, RAG enables systems to reference up-to-date and relevant information sources, thereby producing responses that are more accurate and contextually appropriate. This study proposes a governance-ready RAG architecture specifically designed for enterprise information systems, with a focus on improving answer accuracy, auditability, and regulatory compliance. In a case study within the domain of corporate document management, the proposed architecture demonstrates its ability to significantly enhance both retrieval performance and the quality of generated responses compared to baseline LLMs. The integration of data governance modules, audit trails, and policy layers ensures that the system remains transparent and accountable, particularly in enterprise environments that demand clear auditability. Furthermore, the inclusion of policy layers guarantees that the system operates in alignment with both corporate and national regulatory standards. Evaluation results indicate a substantial improvement, with retrieval precision increasing by up to 23% compared to the baseline. These findings highlight that governance-ready RAG can serve as a critical foundation for developing enterprise information systems that are not only smarter and more efficient, but also secure and regulation-compliant [1][5]. Keywords: Retrieval-Augmented Generation, Information Systems, Data Governance, Auditability, Enterprise AI.
Online News Hoax Detection Using Machine Learning Classification Algorithms Kesuma, Chandra
International Journal of Informatics, Economics, Management and Science Vol 5 No 1 (2026): IJIEMS (January 2026)
Publisher : Sekolah Tinggi Manajemen Informatika dan Komputer Jayakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52362/ijiems.v5i1.2287

Abstract

The rapid growth of digital media usage has significantly increased the spread of hoax news. Such information can lead to misinformation, social anxiety, and public misunderstanding. This study proposes an automatic detection approach for Indonesian-language hoax news using machine learning-based classification algorithms. A dataset consisting of 3,000 Indonesian news articles collected from social media platforms and online news portals was employed and validated using a fact-checking website (TurnBackHoax.id). The proposed method involves text preprocessing, feature extraction using Term Frequency–Inverse Document Frequency (TF-IDF), and classification using Naive Bayes and Support Vector Machine (SVM) algorithms. Model performance is evaluated using accuracy, precision, recall, and F1-score metrics. Experimental results indicate that the SVM algorithm achieves better performance than Naive Bayes in detecting hoax news. The findings demonstrate that machine learning-based classification can provide an effective solution for automatic hoax detection and can be further developed for practical implementation.