Prerequisites:
- No overlapping annotations of the same type by one annotator
- Alternatives must share common core
Lewin, I., Kafkas, S., & Rebholz-Schuhmann, D. (2012). Centroids: Gold standards with distributional variation. Proceedings of the Eighth International Conference on Language Resources and Evaluation (LREC-2012). Istanbul, Turkey: European Language Resources Association (ELRA).