Shi-Yu Xu

From Semantic Topics to Hierarchical Knowledge: An Evidence-Grounded LLM-Assisted Framework for Digital Transformation Risk Identification

Digital transformation risk identification increasingly relies on heterogeneous textual evidence, yet topic discovery alone does not produce structured and traceable risk knowledge. This study proposes an evidence-grounded LLM-assisted semantic-to-structure framework that combines BERTopic evidence with schema-constrai...