15. A search system comprising: a structured database configured to store at least one record, each of the at least one record comprising at least one field, data stored in the at least one field collectively describing attributes of the at least one record; and a search engine configured to conduct a full-text search in the structured database according to a keyword included in request information, wherein if the at least one record stored in the structured database matches the keyword, indication data corresponding to the at least one field are output as a recognition of an intention included in the request information, wherein the at least one field comprises at least one sub-field, and each of the at least one sub-field consists of an indication field and a value field, the indication field stores indication data consisting of at least one letter of alphabet, and the value field stores value data consisting of at least one of at least one letter of alphabet, at least one comma and at least one number.
15. A search system comprising: a structured database configured to store at least one record, each of the at least one record comprising at least one field, data stored in the at least one field collectively describing attributes of the at least one record; and a search engine configured to conduct a full-text search in the structured database according to a keyword included in request information, wherein if the at least one record stored in the structured database matches the keyword, indication data corresponding to the at least one field are output as a recognition of an intention included in the request information, wherein the at least one field comprises at least one sub-field, and each of the at least one sub-field consists of an indication field and a value field, the indication field stores indication data consisting of at least one letter of alphabet, and the value field stores value data consisting of at least one of at least one letter of alphabet, at least one comma and at least one number. 19. The search system as recited in claim 15 , wherein the matched keyword and value data refer to a completely matched record of completely matching all of the keyword with the value data or a partially matched record of partially matching at least one of the keyword with the value data.