Patent ID: 8117054

Claim:
A computer-executable method for estimating a number of stress factors related to tasks of a worker, the method comprising: recording, by a computing device, a sequence of work steps of—performed on the computing device by the worker for a number of Working Spheres (WSs) over a predetermined period of time, wherein a respective WS is associated with tasks and projects of the worker and corresponds to one or more of motives, people, resources, and tools that distinguish the respective WS from other WSs; extracting a number of temporal patterns (T-patterns) associated with a first WS from the sequence of work steps; in response to the first WS being fragmented, wherein the fragmented WS is temporally scattered, retrieving T-patterns for the first WS in its entirety including all fragments by concatenating available WS fragments and running T-pattern analysis on the concatenation; calculating T-pattern statistics for the first WS, which comprises at least one of: a minimum temporal length of the T-patterns, and a variance of the minimum temporal length; applying a classification method on the calculated T-pattern statistics for the first WS to produce a classification result; and estimating one or more of the stress factors based on the classification result, wherein the stress factors of the worker comprise at least one of: a work-load factor; an autonomy factor; and a productivity factor.