9. The method of claim 1 , wherein: the plurality of ontologies are scored and the at least one ontology is selected based on the number of semantic elements in the at least one ontology that are found to be relevant to said multimedia artifact.
9. The method of claim 1 , wherein: the plurality of ontologies are scored and the at least one ontology is selected based on the number of semantic elements in the at least one ontology that are found to be relevant to said multimedia artifact. 10. The method of claim 9 , wherein: the relevance of the plurality of ontologies is determined by respectively selecting one or more semantic elements from the plurality of ontologies, and applying corresponding classes of the one or more semantic elements to said multimedia artifact.