Information Technology Reference
In-Depth Information
15.3.Facetsandlistsofstandardizedexpressions
The first two parts of the ASW thesaurus (Figure 15.1) are constructed in the
same way. The shared thesaurus and the private thesaurus of a particular group of
users are made up of a set of facets and a (hierarchical) list of standardized
expressions (“descriptors”).
Figure15.2.
Thesharedthesaurus-facetsandlistsofterms
Figure 15.2 shows the organization of the shared thesaurus in the form of several
collectionsoffacets
and a set of lists of standardized terms or expressions.
As already stated, a facet semantically classifies a list of standardized
expressions called descriptors. Figure 15.3 offers a concrete example of this. It
shows a specific facet entitled
ASW facet for the CT “Ancient Civilization of the
MiddleEast”
.
This facet has associated with it a list of expressions (descriptors) which identify
different ancient civilizations of the Middle East: <Babylonian civilization>,
