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Table 4 Results for constructing expansion terms & combination terms

From: Using NLP in openEHR archetypes retrieval to promote interoperability: a feasibility study in China

Test queries Original search term, n Expansion term, n Combination term, n
Top 3 Top 5 Top 10 Top 3 Top 5 Top 10
Low level set 40 216 360 719 312 840 3279
Medium level set 40 267 455 891 546 2085 13,712
High level set 40 303 505 1013 1050 6300 36,486