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Understanding Thesaurus Results

sample thesaurus results, as described in text

Sample record from Biocomplexity Thesaurus

Let's look at an actual entry in the Biocomplexity Thesaurus.

A search on the term "malformations" yields several relationships, seen in the image at right.

Our search term "malformations" produced partial or full matches for two entry terms in the thesaurus: "limb malformations" and "malformations." The hyperlinked terms indented beneath each entry term are facets of that entry term, concepts related hierarchically or associatively to the entry term.

BT and NT are hierarchical relationships. They demonstrate large concepts or classes (broad terms) and member or subordinate classes (narrower terms).

RT is an associative relationship; two concepts may be related, or overlap, but one concept does not encompass the other.

UF (and its inverse, USE) are equivalence relationships; they indicate that two concepts are equivalent, or equal, but indicate which term is the preferred term (USE), and which term(s) are not preferred (UF).

Let's look at our first entry term result, "limb malformations."

Next, we'll look at results for our second entry term, "malformations":