DiffSeer: Difference-based Dynamic Weighted Graph Visualization
Xiaolin Wen, Yong Wang, Meixuan Wu, Fengjie Wang, Xuanwu Yue, Qiaomu, Shen, Yuxin Ma, and Min Zhu

TL;DR
DiffSeer is a novel visualization method that explicitly shows differences in dynamic weighted graphs over time, improving users' ability to analyze structural changes effectively.
Contribution
It introduces a nested matrix design and an optimization-based node reordering strategy for better visualization of graph evolution and details.
Findings
Effective visualization of graph differences demonstrated in case studies.
User interviews confirmed improved analysis capabilities.
Outperforms traditional methods in highlighting structural changes.
Abstract
Existing dynamic weighted graph visualization approaches rely on users' mental comparison to perceive temporal evolution of dynamic weighted graphs, hindering users from effectively analyzing changes across multiple timeslices. We propose DiffSeer, a novel approach for dynamic weighted graph visualization by explicitly visualizing the differences of graph structures (e.g., edge weight differences) between adjacent timeslices. Specifically, we present a novel nested matrix design that overviews the graph structure differences over a time period as well as shows graph structure details in the timeslices of user interest. By collectively considering the overall temporal evolution and structure details in each timeslice, an optimization-based node reordering strategy is developed to group nodes with similar evolution patterns and highlight interesting graph structure details in each…
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Taxonomy
TopicsData Visualization and Analytics · Complex Network Analysis Techniques · Mental Health Research Topics
