A DETECTING SYSTEM AND A METHOD FOR SUBJECT, A STORAGE MEANS, AN INFORMATION OFFERING SYSTEM, AN INFORMATION OFFERING SERVICE SERVER AND AN INFORMATION OFFERING METHOD

摘要

PURPOSE: A device and a method for detecting a subject, a storage medium, an information providing system and a service server and a method thereof are provided to calculate relation between a keyword and a subject, thereby accurately detecting a subject. CONSTITUTION: An input unit(160) receives an analysis object sentence from a user. A keyword extracting unit(120) extracts a keyword included in the analysis object sentence. In a dictionary DB(130), a subject about the keyword is tagged every keyword. A subject detecting unit(110) compares the extracted keyword with the keyword saved in the dictionary DB.