Process for management resources each resource having one or several characteristics and, for each characteristic, a given category to which the resource belongs, this process comprising the following operations:a) identify (101) one or several characteristics required for the resources,b) identify (102) a group of resources with the required characteristic(s),c) for each resource in said group, and for each characteristic of the resource, associate (103) the resource category with a time, with a value that depends on the category,d) assign (104) a magnitude in time to each resource, called adhesion, equal to the greatest time of the resource characteristics.