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Table 2 Induced objective categories with their definition and associated NLP task(s)

From: Natural language processing algorithms for mapping clinical text fragments onto ontology concepts: a systematic review and recommendations for future studies

Induced category

Induced NLP task(s)

Definition

Computer-assisted coding

Concept detection

Perform semi-automated annotation (i.e., with a human in the loop)

Information comparison

Concept detection

Event detection

Relationship detection

Compare extracted structured information to information available in free-text form

Information enrichment

Concept detection

Event detection

Relationship detection

Text normalization

Text summarization

Extract structured information from free text and attach this new information to the source

Information extraction

Concept detection

Event detection

Relationship detection

Extract structured information from free text

Prediction

Classification

Prediction

Identification

Use structured information to classify free-text reports, predict outcomes, or identify cases

Software development

and evaluation

Software development

Software evaluation

Develop new NLP software or evaluate new or existing NLP software

Text processing

Text normalization

Text summarization

Transform free text into a new, more comprehensible form