Researcher profile

Bertram Ludäscher

2 papers in the PaperMetrix corpus

Publications

Papers by this author

Towards more transparent, reproducible, and reusable data cleaning with OpenRefine

2019

We study provenance features of OpenRefine, a popular data cleaning tool. In OpenRefine, provenance is available through operation histories and recipes. The former provide users with an undo/redo capability; the latter represent histories in JSON, …
Choices and their Provenance: Explaining Stable Solutions of Abstract Argumentation Frameworks

2025 · arXiv (Cornell University)

The rule $\mathrm{Defeated}(x) \leftarrow \mathrm{Attacks}(y,x),\, \neg \, \mathrm{Defeated}(y)$, evaluated under the well-founded semantics (WFS), yields a unique 3-valued (skeptical) solution of an abstract argumentation framework (AF). An argument $x$ is defeated ($\mathrm{OUT}$) if there exists …