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engineering tasks to increase the relevance and coverage of the developed ontolo-
gies, like the tagging example discussed earlier, and to make the overall process
more ecient.
Creating and managing such lightweight ontologies by leveraging exist-
ing knowledge sources in an integrated enterprise IT landscape is the aim of our
Semantic MediaWiki-based ontology editor presented in Section 6.3. Besides pro-
viding basic support for the creation of semantic content in a collaborative fashion,
Semantic MediaWiki [14] in cludes various extensions and plug-ins allowing its use
in combination with oce tools as diver ...