Negated Findings Detection in Radiology Reports in Spanish: an Adaptation of NegEx to Spanish

Negated Findings Detection in Radiology Reports in Spanish: an Adaptation of NegEx to Spanish

We present SpRadNeg, an adaptation of NegEx to the Spanish language. NegEx is an English rule-based negation detection algorithm. We have tested SpRadNeg with radiology reports, obtaining a precision of 0.87 and a recall of 0.49. We also propose a method to automatize text annotation based on Machine Learning techniques with 0.91 precision and 0.89 recall.

[paper]

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