Figure 2
From: A context-blocks model for identifying clinical relationships in patient records
Relationship representation between two concepts as five context-blocks Five context-blocks: introductory block—the set of words from the beginning of the sentence to the occurrence of the first concept, 1st concept block—the set of words that comprise first concept (not necessarily first in the sentence), connective block—the set of words that tie the two concepts in the relationship, 2nd concept block—the set of words that comprise second concept, and conclusive block—the set of words from the 2nd concept to the end of the sentence.