@inproceedings{penas-rodrigo-2011-simple, title = "A Simple Measure to Assess Non-response", author = "Pe{\~n}as, Anselmo and Rodrigo, Alvaro", editor = "Lin, Dekang and Matsumoto, Yuji and Mihalcea, Rada", booktitle = "Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies", month = jun, year = "2011", address = "Portland, Oregon, USA", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/P11-1142/", pages = "1415--1424" }