PREFERENCE ANALYZING SYSTEM

PREFERENCE ANALYZING SYSTEM

The present invention aims to extract change factors that raise and lower evaluation with respect to a product based on a purchase history of an individual. A preference analyzing system according to the present invention learns, from a purchase history, a preference model that evaluates purchase pr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ARA Koji, FUJITA Marina, AIZONO Toshiko
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES
PHYSICS
SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:The present invention aims to extract change factors that raise and lower evaluation with respect to a product based on a purchase history of an individual. A preference analyzing system according to the present invention learns, from a purchase history, a preference model that evaluates purchase preference of an individual, calculates correlation between a feature quantity representing an attribute of a product and a mixed attribute that can raise and lower evaluation of the product, and extracts other product attributes that change the mixed attribute (see FIG. 6).