Service trust chain

Abstract

At least one computer-readable medium on which are stored instructions that, when executed by one or more processing devices, enable the one or more processing devices to perform a method. The method includes the steps of providing over a network a request for first information from a second service provider at a job site characterizing a first service provided by a first service provider at the job site, receiving over the network from the second service provider the first information, providing over the network a request for second information from a third service provider at the job site characterizing a second service provided by the second service provider at the job site, and receiving over the network from the third service provider the second information.

Dependencies are inferred from the claim text.