1. A method of managing a plurality of processes in a repository of a computer system, the method comprising: accessing a plurality of processes in a repository of a computer system, wherein each process comprises an electronic description of a set of one or more coordinated activities associated with a task; summarizing content of the plurality of processes in the repository, wherein summarizing comprises: forming a difference model comprising one or more features that represent differences among the plurality of processes, wherein at least one of the one or more features is a semantic feature; forming a priority model that represents a priority among the one or more features of the difference model, wherein the priority model comprises priorities for each of the one or more features; analyzing the plurality of processes according to the priority model, wherein analyzing comprises analyzing the plurality of processes according to the priorities for each of the one or more features; analyzing the plurality of processes according to the difference model; and organizing the plurality of processes in the repository of a computer system based on results of analyzing the plurality of processes according to the difference model and the priority model, wherein organizing the plurality of processes comprises arranging the plurality of processes according to at least one of: (i) factors common among two or more processes of the plurality of processes; (ii) one or more distance measures among the plurality of processes; and (iii) novelty of one or more processes of the plurality of processes; wherein the accessing, analyzing, summarizing, forming and organizing steps are implemented on a processor device.