Patent ID: 8082279

Claim:
A method of forming a classification chain for a plurality of media entities, the classification chain being adapted to search databases of media entities, the method comprising: assigning to each media entity of the plurality of media entities in a data set at least one first class of a plurality of classes, each class of the plurality of classes corresponding to a subset of predetermined perceptual properties, the assigning of the at least one first class being by a first human expert; processing each media entity of the plurality of media entities in the data set to determine at least one digital signal processing characteristic for each media entity of the plurality of media entities in the data set; and forming the classification chain for the plurality of media entities in the data set, the classification chain comprising components including the at least one first class and the at least one digital signal processing characteristic, the classification chain components forming rules for classifying media entities including the plurality of media entities in the data set and media entities other than the plurality of media entities in the data set.