Although much of the attention in semantic search falls on the semantic web and annotation using things like RDF triples to represent knowledge, there are other approaches and conflating them only serves to add to the confusion.
There are at least four approaches to semantic search. Different semantic search engines may use one or more of these approaches. The point of semantic search is to use meaning to improve the user’s search experience. For example, one approach is to use contextual analysis to help to disambiguate queries. Does the word “strike,” for example, refer to baseball or labor or something else entirely? This approach is a major emphasis ofTruevert.
Full article @ http://truevert.blogspot.com