DATA SCIENCE: JOURNAL OF COMPUTING AND APPLIED INFORMATICS (JOCAI) Data Science: Journal of Computing and Applied Informatics (JoCAI) is an international peer-reviewed biannual journal (January and July) published by TALENTA Publisher, Universitas Sumatera Utara and managed by Center for Excellence for Artificial Intelligence of Things (AIoT) and Department of Data Science and Artificial Intelligence Master Program, Faculty of Computer Science and Information Technology, Universitas Sumatera…
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Smart contract vulnerability detection requires evaluation protocols that separate real representation signal from dataset-specific artifacts. DIVE provides lifecycle-based tabular features for Ethereum smart contracts, but benchmark performance alone cannot show whether a dominant feature group is useful or only benefits from having many columns. This study examines Opcode Distribution features…
Childhood growth monitoring plays an important role in the early identification of children who may experience developmental risks related to nutrition and health conditions. Conventional screening methods typically rely on anthropometric measurements that may not always be consistently obtained in community-based health environments. This study proposes an applied data science framework for…