Explicit & Implicit Interaction Design for Multi-Focus Visualizations

Many tasks that have to be performed to analyze data in large visual information spaces require the user to have several foci. This is for example the case for comparing or organizing digital artefacts. In my research, I explore alternative interaction concepts for multi-focus visualizations in the context of single and multi-user scenarios. Alongside explicit interaction for navigating within multi-focus visualizations I investigate implicit interaction for making the visualization react on the social and spatial context. To evaluate different designs, measures like task completion time, spatial memory and subjective preferences are examined.