BRAND DICTIONARY CREATION DEVICE, PRODUCT, ETC. EVALUATION DEVICE, BRAND DICTIONARY CREATION METHOD AND PROGRAM

摘要

To provide a brand dictionary creation device, a product, etc. evaluation device, a brand dictionary creation method, and a program capable of creating an appropriate brand dictionary for each category of a product or the like.SOLUTION: The brand dictionary creation device includes a query acquisition unit that acquires a query input to a sales screen for selling a product or a service (hereinafter, a product or the like) via a network, an occurrence number count unit that, for each target text included in the acquired query, counts the number of head occurrences of the target text occurring at the head of the query and the number of occurrences of the target text in the query regardless of its position in the query, and a determining unit that, for each target text, derives an index value obtained by dividing the number of head occurrences by the number of occurrences and that determines whether to include the target text in the brand dictionary based on the derived index value.SELECTED DRAWING: Figure 1