Detecting Incorrect Numerical Data in DBpedia

@inproceedings{Wienand2014DetectingIN,
  title={Detecting Incorrect Numerical Data in DBpedia},
  author={Dominik Wienand and H. Paulheim},
  booktitle={ESWC},
  year={2014}
}
DBpedia is a central hub of Linked Open Data (LOD). Being based on crowd-sourced contents and heuristic extraction methods, it is not free of errors. In this paper, we study the application of unsupervised numerical outlier detection methods to DBpedia, using Interquantile Range (IQR), Kernel Density Estimation (KDE), and various dispersion estimators, combined with different semantic grouping methods. Our approach reaches 87% precision, and has lead to the identification of 11 systematic… Expand
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