Patent ID: 8352535

Claim:
A method of controlling usage of information subject to evolution, usage of the information being in information objects, the information objects respectively comprising a plurality of basic information units wherein some of said basic information units change with said evolution and some of said basic information units comprising elementary information units that remain constant with said evolution, the method being carried out on an electronic processor, the method comprising: prior to said evolution, identifying ones of said information objects to which it is desired to apply a usage policy; monitoring said information objects during said usage and said evolution; comparing basic information units of said monitored information objects with basic information units of ones of said identified information objects, to determine a quantity of said elementary information units that are identical in both; and if said quantity exceeds a predetermined threshold for a given one of said identified information objects then applying a respective usage policy associated with said given identified information object to said monitored information object, thereby managing said information objects in the face of evolution of information therein.