Johannes Maas

schoolRWTH Aachen Universitybar_chart#6092 Global Rank

Total Papers

HCI Rank

#6092

Research Areas

Years Active

Recent Publications

From Detectables to Inspectables: Understanding Qualitative Analysis of Audiovisual Data

Audiovisual recordings of user studies and interviews provide important data in qualitative HCI research. Even when a textual transcription is available, researchers frequently turn to these recordings due to their rich information content. However, the temporal, unstructured nature of audiovisual recordings makes the…

CHI '202nd AuthorInteractive Data Visualization +1

TRACTUS: Understanding and Supporting Source Code Experimentation in Hypothesis-Driven Data Science

Data scientists experiment heavily with their code, compromising code quality to obtain insights faster. We observed ten data scientists perform hypothesis-driven data science tasks, and analyzed their coding, commenting, and analysis practice. We found that they have difficulty keeping track of their code experiments…

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