Patent ID: 8195677

Claim:
A data search device comprising: playback means for displaying to a user a plurality of first subjective data and second subjective data, each of the first subjective data being language representing a user input feeling of a predetermined content data and the second subjective data being language representing a scene at which the user listens to the predetermined content data, wherein each of the first subjective data and the second subjective data is stored in a storage in association with a tag that associates the first subjective data and the second subjective data with the predetermined content data; receiving means for receiving user input comprising a first word or phrase and a second word or phrase, the first word or phrase being first subjective data and the second word or phrase being second subjective data; and searching means for: determining whether the storage includes content data described by the received first word or phrase and the received second word or phrase by comparing the received first word or phrase and the received second word or phrase input by a user to entries of first subjective data and second subjective data in a subjective data table, when an exact match between the received first word or phrase and the received second word or phrase and an entry in the subjective data table is not identified, utilizing at least one synonym for at least one of the received first word or phrase and the received second word or phrase and comparing the at least one synonym to the entries, when a match between the received first word or phrase and the received second word or phrase or at least one synonym and an entry from the entries has been identified, extracting a tag associated with the entry, and identifying the content data using the tag associated with the entry.