1. A computer-readable storage medium comprising a plurality of instructions to be executed in a computer, said plurality of instructions comprising: instructions to receive information identifying a new first value of a first label-specific attribute of a label as applied to an object comprised among a plurality of objects in a memory of said computer, said information further identifying no change to a plurality of old second values of a corresponding plurality of second label-specific attributes of said label; instructions responsive to receipt of said information, to automatically create for said object an incremental label application comprising said new first value for said first label-specific attribute as applied to said object and lacking said old second values for said second label-specific attributes as applied to said object; instructions to automatically store in said memory, said incremental label application in association with existing metadata comprising a full label application to said object, said full label application comprising said old second values of said second label-specific attributes and an old first value of said first label-specific attribute; instructions to receive a command to retrieve from said memory, a current label application for said object; instructions responsive to receipt of said command, to automatically prepare said current label application, using at least said full label application and said incremental label application; and instructions to automatically store in said memory, said current label application.