Data processing system, data processing method, and computer program for executing data processing method using information processing device

A data processing system including an information processing device and an information display device, wherein the information processing device includes:

• at least one processor and a storage medium, the at least one processor configured to
• display a data registration screen according to a user instruction;
• request the user on the data registration screen to select a plurality of piece of data, and to input, for each selected piece of data, a plurality of types of accompanying information comprising a number of cells, an area ratio of a cell region, a number of culture days, or a passage number;
• register each of the selected pieces of data in association with the input accompanying information;
• store the registered pieces of data in the storage medium;
• group the stored pieces of data so that pieces of the data having-common accompanying information belong to the same group;
• create a data tree having a hierarchical structure in which a type of the accompanying information that is higher in a priority order is located on an upper layer;
• re-create the data tree when the user changes the priority order or disables at least one of the plurality of types of accompanying information;
• and
• display the data tree on the information display device, wherein the re-created data tree is displayed in real time in response to the user's change.