A nested facet is a facet that includes a collection of other facets (or subfacets) as its components. 12 An NFS is a set of nested facets with a hierarchic (or subtype or is-a) relation among them.

Efficient and Accurate Extracting of Unstructured EHRs on Cancer Therapy Responses for the Development of RECIST Natural Language Processing Tools: Part I, the Corpus To audit and improve the ...