4. The method of claim 1 , wherein the contents providing control step includes a contents searching step of searching the contents, based on a search engine based on Ontology, by using the created search keywords.
4. The method of claim 1 , wherein the contents providing control step includes a contents searching step of searching the contents, based on a search engine based on Ontology, by using the created search keywords. 5. The method of claim 4 , wherein the contents providing control step further includes a contents providing step of asking the user in character or voice whether to be provided with the searched contents when there are contents searched in the contents searching step, and of providing the searched contents when the user consents to be provided with the searched contents.