Chapter published in:Negation and Speculation Detection
Noa P. Cruz Díaz and Manuel J. Maña López
[Natural Language Processing 13] 2019
► pp. 53–62
Chapter 5 presents a set of relevant resources for any researcher or developer interested in the problem: the main publicly available corpora annotated with information about negation and speculation for different domains and languages, the set of available negation/speculation recognition tools developed for English that can be integrated in other NLP applications and a description of the evaluation metrics used by the NLP community to evaluate the detectors built to tackle this task.