1. A mining rule database update apparatus using a named entity dictionary and a mining rule combined with an ontology schema, the apparatus comprising: a named entity dictionary and mining rule database storage module for storing the named entity dictionary where a named entity of a terminology combined with the ontology schema and connected to a concept (class) is defined and a mining rule database where the mining rule configured with an RDF triple and a mining pattern combined with the ontology schema and connected to a relationship name is defined; a mining pattern generation module for recognizing a terminology from a text and converting the terminology into the mining pattern; a named entity and mining rule search module for searching for a corresponding named entity and a mining rule from the named entity dictionary and the mining rule database using the recognized terminology and the mining pattern; and a mining rule database update module for estimating a relationship name using a named entity of the recognized terminology and the ontology schema, generating a corresponding mining rule, and then storing the generated mining rule in the mining rule database depending on a user's selection, if a mining rule corresponding to the mining pattern is not searched from the mining rule database and the named entity corresponding to the recognized terminology is searched from the named entity dictionary.