A development assistance device includes: multiple conversion units each for converting either an inputted signal value or inputted meta information into either a signal value or meta information, and for outputting either the signal value after conversion or the meta information after conversion as output information; a pipeline unit for causing, on the basis of pipeline information showing a relationship of mutual connections between the multiple conversion units, the multiple conversion units to sequentially perform the corresponding converting processes; an inference unit for making an inference by using the output information outputted by a final conversion unit which the pipeline unit causes, on the basis of the pipeline information, to finally perform the converting process, out of the multiple conversion units; and an image generation unit for generating image information for visualizing the connection relationship shown by the pipeline information, and a relationship of a connection between the final conversion unit and the inference unit.
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