PROBLEM TO BE SOLVED: To provide a process path selection device or the like for shortening a processing time.;SOLUTION: A process path selection device 101 includes: a time estimation part 102 which calculates an unexecutable period for processing control based on a usage rate indicating ratio of time when a processor which controls the process in a specific processing path among a plurality of processing paths executes the control per unit time, and based on time required for the control; and a path selection part 103 which selects a processing path in which calculated period is the shortest among the plurality of processing paths.;COPYRIGHT: (C)2015,JPO&INPIT
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