Abstract: The shelf tier management system S acquires size information of a shelf tier and size information of an accommodated item that has been accommodated in the shelf tier, obtains a occupancy rate of the accommodated item in the shelf tier on the basis of at least the size information of the shelf tier and the size information of the accommodated item, and calculates a corrected occupancy rate by correcting the occupancy rate with a correction coefficient according to the accommodated item.

Abstract: The electronic commerce system S acquires item information regarding the item selected by the user, identifies the packing material used for delivery of the item on the basis of the acquired item information, identifies the delivery service detail according to the identified packing material, and presents the identified delivery service detail to the user.

Abstract: A product introduction support device includes a display control part, a keyword extraction part, a sorting word selection part, and a group presentation part. The display control part is configured to create display control information to arrange a plurality of selected products in a browsable state on a web. The keyword extraction part is configured to extract a keyword representing an attribute for each of the plurality of selected products. The sorting word selection part is configured to select at least one keyword common to or similar to a plurality of products among the keywords extracted by the keyword extraction part as a sorting word. The group presentation part is configured to perform processing of presenting candidates for a product group that are bracketable by the sorting word among the plurality of selected products.

Abstract: A product introduction support device includes a display control part, a keyword extraction part, a sorting word selection part, and a group presentation part. The display control part is configured to create display control information to arrange a plurality of selected products in a browsable state on a web. The keyword extraction part is configured to extract a keyword representing an attribute for each of the plurality of selected products. The sorting word selection part is configured to select at least one keyword common to or similar to a plurality of products among the keywords extracted by the keyword extraction part as a sorting word. The group presentation part is configured to perform processing of presenting candidates for a product group that are bracketable by the sorting word among the plurality of selected products.