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[bioontology-support] missing search results in NCI Thesaurus

Lee M Surprenant lmsurpre at
Tue Oct 7 07:51:25 PDT 2014

On the NCI Thesaurus, when the user searches for 'Age', the results do not
include some of the matches I was expecting:

Some expected results:

Age at First Live Birth

Age at Menarche

Age at Menopause

Age at Time of Vaccination

Age Started



Conception Age

Corrected Age

Postmenstrual Age

Subject Age

Search results contained 17 hits, but only a few from that list.  In
particular, the search results missed both "Age" and "Age-Years".
What is strange to me is that 'Age-Months' was on the list.  Can someone
help me better understand the search behavior of bioportal to explain this?
Maybe its failing because the search string is on a stoplist or its just
too short/too common?


Lee Surprenant
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