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S. Isa

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Open access Oct 2026

Structured Entity and Relation Extraction from Sequential Multimodal Audio-Video Content Using Large Language Models

The rapid growth of digital media has increased the availability of posts that combine spoken narration, visual demonstrations, embedded images, captions, and video sequences within a single communicative unit. Although existing information extraction systems perform well on textual data, their effectiveness remains li...

Timothy Dillan, S. Isa, A. S. Girsang et al. · 0 citations
Conference Aug 2026

Responsible AI Framework in Healthcare: a People, Process and Technology Perspective

AI continues to be adopted in various sectors, one of which is healthcare. AI adoption in healthcare needs to be a key focus to prevent risks related to human life. However, the implementation of AI in healthcare can pose ethical and governance challenges related to transparency, accountability, fairness, privacy, trus...

Erin Erin, S. Isa, N. A. C. Andryani et al. · 0 citations
Open access Aug 2026

Temporal-spatial reasoning over hypergraph knowledge structures for multimodal retrieval-augmented generation

Results support hypergraph-native traversal with temporal-spatial-aware scoring as an effective retrieval paradigm for the evaluated multimodal RAG setting, particularly for constraint-driven queries that semantic-only retrieval cannot address.

Timothy Dillan, S. Isa, A. S. Girsang et al. · 0 citations
Conference Jul 2026

IG-Guided Synonym Substitution Attacks on IndoBERT AI Detection Across Domains

The rapid adoption of large language models has urged the development of reliable detectors that are capable of distinguishing AI-generated text from human-written content. While recent Transformer-based detectors have shown promising performance, their robustness against adversarial manipulation remains underexplored,...

Ariana Noya Zaida Amelia, Yohan Muliono, S. Isa · 0 citations

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