9. The subject ranking management system as claimed in claim 1 , wherein the subject hierarchy managing unit receives a search result from a full-text search engine having the taxonomy implemented.
9. The subject ranking management system as claimed in claim 1 , wherein the subject hierarchy managing unit receives a search result from a full-text search engine having the taxonomy implemented. 10. The subject ranking management system as claimed in claim 9 , wherein the subject hierarchy managing unit comprises a taxonomy handler to provide parent information for each subject item in the taxonomy.