Abstract: An information processing system includes an information processing apparatus and multiple printers, the printers including a first printer and a printer group including at least one printer, the information processing apparatus including a processor configured to: acquire as a first measurement value a measurement value of color of a first print product that the first printer has printed in response to a first print instruction; acquire as a second measurement value a measurement value of color of the first print product that a second printer included in the printer group has printed in response to the first print instruction; and transmit to the second printer a first difference between the first measurement value and the second measurement value. Using a set value calculated in accordance with the first difference, the second printer prints a second print product in response to a second print instruction that applies settings calculated based on the first difference.

Abstract: An information processing apparatus includes a transformation rule determining unit that determines a transformation rule for transforming print attribute information representing an attribute of a print job, based on at least one of a source data format and a target data format of the print attribute information, and a data format transforming unit that transforms the data format of the print attribute information from the source data format into the target data format in accordance with the determined transformation rule.

Abstract: An information processing apparatus includes a transformation rule determining unit that determines a transformation rule for transforming print attribute information representing an attribute of a print job, based on at least one of a source data format and a target data format of the print attribute information, and a data format transforming unit that transforms the data format of the print attribute information from the source data format into the target data format in accordance with the determined transformation rule.

Abstract: Provided is a data storing device which stores plural data items and management information related to storing of each data item in an associated manner, detects, from the plural stored data items, plural data items of which at least a part of contents are common to each other, selects a data item to be stored continuously from the detected data items, and associates management information of a data item which is not selected from the detected data items with the selected data item as management information of the selected data item.

Abstract: Binary two-dimensional digital data can be recorded in an optical recording medium as holograms in such a way that a recording area is made sufficiently minute correspondingly to the two-dimensional digital data by adequately limiting the spread of signal light and reference light without causing loss of the data and a read error during reconstructing. Signal light of a binary two-dimensional digital data image is subjected to Fourier transform by a lens. There is disposed forwardly of an optical recording medium a shading material having a circular, semicircular, sectorial, or L-shape light transmission part 21 that allows transmission of only components of 0th to n-th (n=1, 2, or 3) orders. The signal light after Fourier transform and reference light are transmitted through the light transmission part 21 for irradiation to the optical recording medium and a Fourier transform hologram is recorded in the optical recording medium.