Tough Tables: Carefully Benchmarking Semantic Table Annotators

Vincenzo Cutrona, Federico Bianchi, Ernesto Jiménez-Ruiz & Matteo Palmonari
Tough Tables (2T) is a dataset designed to evaluate table annotation approaches on the CEA task.
The dataset is compliant with the data format used in SemTab2019, and it can be used as an additional dataset without any modification. Annotations are based on DBpedia 2016-10. Note on License: This dataset includes data from the following sources. Refer to each source for license details:
- Wikipedia https://www.wikipedia.org/
- DBpedia http://dbpedia.org/
- SemTab2019 https://doi.org/10.5281/zenodo.3518539
- GeoDatos https://www.geodatos.net
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