ZoomTable: Interactive Exploration of Data Facts in Hierarchical Tables via Semantic Zooming
Qiyang Chen, Guozheng Li, Xingqi Wang, Gerile Aodeng, Min Lu, Chi Harold Liu

TL;DR
ZoomTable is an interactive visualization system that uses semantic zooming to effectively explore hierarchical table data facts, resolving layout conflicts and supporting multi-scale data analysis.
Contribution
It introduces a novel interactive exploration paradigm combining semantic zooming, data-fact layout, and recommendation to improve data fact exploration in hierarchical tables.
Findings
Supports coherent exploration of multidimensional data facts at different scales
Resolves layout conflicts in hierarchical tables during data fact embedding
Validated through case study and user experiment demonstrating practicality
Abstract
Hierarchical tables are an important structure for organizing data with inherent hierarchical relationships. Existing studies have extensively explored methods for data fact exploration from tabular data. In particular, some studies have directly integrated visual data facts into the original table structure to support in-situ exploration, because embedding data facts within the table context can reduce cognitive load by minimizing attention shifts. However, embedding a large amount of extracted data facts into the limited space of hierarchical tables often leads to layout conflicts, hindering effective exploration. To address this issue, we propose an interactive exploration paradigm for hierarchical table data facts based on semantic zooming and develop an interactive visualization system, ZoomTable. The ZoomTable system employs semantic zooming as the interaction method, combined…
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