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Concept pages as such can be browsed to view the contents of some concept, similar to category pages. But they can also be used in other semantic queries just like categories. For example, the following query would show all pages in the above concept of events which are also located in Germany:

[[Concept:Semantic Web events 2008]] [[located in Germany]]

Note that this would look almost the same if we would have a category called «Semantic Web events 2008». therefore, concepts are also like stored queries that can be reused in other queries if desired.

SMW's inline queries may also use concepts, and in some cases even the concept description is used to beautify an output.

Concept descriptions are also included in SMW's RDF export in form of OWL class descriptions, so that other Semantic Web tools can download an dreuse the concept descriptions.