34. The system of claim 32 , wherein calculating a classification function comprises incremental calculation using graph superposition, wherein a newly added label is incorporated incrementally without calculating a classification function using all labels.
32. The system of claim 31 , wherein said one or more processors are further configured to: store a multimedia affinity graph in said one or more memories, wherein said affinity graph represents multimedia data samples as nodes and comprises edges measuring relatedness among data samples; and calculate a classification function based on at least the selected multimedia label data, wherein calculating said classification function comprises iteratively performing at least updating selected multimedia label data relating to selected multimedia data or predicting new multimedia label data for stored multimedia data.