4 papers
GraphQAG: A Knowledge-Graph-Guided Visual Analytics Framework for Question-Answer Pairs Generation
Yize Li, Ruiqi Yu, Tianya Pan +5
GraphQAG is a visual analytics system that builds a knowledge graph from long documents to guide large language model generation of question‑answer pairs, allowing users to explore…
CompoVista: A Composition-Graph-Based Visual Analytics System for Compositional Analysis of Traditional Chinese Paintings
Dekun Qian, Ruiqi Yu, Fengling Zheng +6
Compositional analysis of Traditional Chinese Paintings (TCPs) reveals how spatial arrangement, narrative structure, and cultural-aesthetic meaning are organized within the pictori…
COIVis: Eye-tracking-based Visual Exploration of Concept Learning in MOOC Videos
Zhiguang Zhou, Ruiqi Yu, Yuming Ma +7
Massive Open Online Courses (MOOCs) make high-quality instruction accessible. However, the lack of face-to-face interaction makes it difficult for instructors to obtain feedback on…
HyperMOOC: Augmenting MOOC Videos with Concept-based Embedded Visualizations
Li Ye, Lei Wang, Lihong Cai +5
Massive Open Online Courses (MOOCs) have become increasingly popular worldwide. However, learners primarily rely on watching videos, easily losing knowledge context and reducing le…