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and navigation strategies, although the semantic structures are hard-coded into the
index structure.
An extension to this approach is to allow the search application to use broader
(more general) terms or narrower (more specialized) terms to extract a more suitable
result set when the original search terms do not yield satisfactory answers. If, for
example, a user query does not produce hits, the system may automatically expand
the search with broader terms to retrieve documents that are at least somewhat
related to the query. is matching strategy is adopted by SKOS, DOSE (Bonino
et al., 2004) and Squiggle (Celino et al., 2006), among others.
13.4.4 Reasoning
Calculation of document relevance may also be computed ...