The Impact of Automatic Pre-annotation in Clinical Note Data Element Extraction - the CLEAN Tool

Understand

Objective.

• Annotation is expensive but essential for clinical note review and clinical natural language processing (cNLP).
• However, the extent to which computer-generated pre-annotation is beneficial to human annotation is still an open question.
• Our study introduces CLEAN (CLinical note rEview and ANnotation), a pre-annotation-based cNLP annotation system to improve clinical note annotation of data elements, and comprehensively compares CLEAN with the widely-used annotation system Brat Rapid Annotation Tool (BRAT).