Pilot studies are an essential cornerstone of the design of crowdsourcing campaigns, yet
they are often only mentioned in passing in the scholarly literature. A lack of details …

Interaction is an important channel to offer users insights in interactive visualization systems.
However, which interaction to operate and which part of data to explore are hard questions …

Interactive visualizations are powerful tools for Exploratory Data Analysis (EDA), but how do
they affect the observations analysts make about their data? We conducted a qualitative …

Predicting and capturing an analyst's intent behind a selection in a data visualization is
valuable in two scenarios: First, a successful prediction of a pattern an analyst intended to …

Application developers frequently augment their code to produce event logs of specific
operations performed by their users. Subsequent analysis of these event logs can help …

reVISit is an open-source software toolkit and framework for creating, deploying, and
monitoring empirical visualization studies. Running a quality empirical study in visualization …

Handling emergencies requires efficient and effective collaboration of medical
professionals. To analyze their performance, in an application study, we have developed …

User confidence plays an important role in guided visual data analysis scenarios, especially
when uncertainty is involved in the analytical process. However, measuring confidence in …

We present ProvenanceWidgets, a Javascript library of UI control elements such as radio
buttons, checkboxes, and dropdowns to track and dynamically overlay a user's analytic …

Data analysts often tediously create visualization sequences to derive insights about what
they see. While recent AI-driven approaches generate sequences to optimize visualization …