Information providing system that provides information based on strenghth of desire and current situation
First Claim
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1. An information providing system comprising:
- a computer device including a processor, a memory coupled to the processor, and a program stored in the memory, wherein the processor is configured to execute the program and the program includes;
a user action history database that stores a history of actions of selection of items by a user;
an item database that stores information indicating features of the items;
a user profile database that stores desire profiles describing constant strengths of desires of the user, for each type of the desires;
a context determination unit that acquires external factors when the user selects the items and determines situations of the user based on the external factors;
a context-desire database that describes a correspondence between the situations of the user, the items, and the desires that can be satisfied by selecting the items under the situations of the user;
a desire estimation unit that uses the action history of the user stored in the user action history database and the desire profiles of the user stored in the user profile database to estimate the current strength of the desire of the user; and
an item search unit that uses the current strength of the desire of the user and the current situation of the user to refer to the context-desire database to specify the item suitable for the current strength of the desire of the user and suitable for the current situation of the user and that searches the item from the item database.
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Abstract
An internal state of a user and a situation of the user are complementarily used to recommend optimal information for the individual user. An information providing system according to the present invention estimates a current strength of a desire of the user and a current situation of the user to refer to a database describing combinations of the strength and the situation to thereby present items that can satisfy both the desire of the user and the situation of the user.
9 Citations
15 Claims
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1. An information providing system comprising:
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a computer device including a processor, a memory coupled to the processor, and a program stored in the memory, wherein the processor is configured to execute the program and the program includes; a user action history database that stores a history of actions of selection of items by a user; an item database that stores information indicating features of the items; a user profile database that stores desire profiles describing constant strengths of desires of the user, for each type of the desires; a context determination unit that acquires external factors when the user selects the items and determines situations of the user based on the external factors; a context-desire database that describes a correspondence between the situations of the user, the items, and the desires that can be satisfied by selecting the items under the situations of the user; a desire estimation unit that uses the action history of the user stored in the user action history database and the desire profiles of the user stored in the user profile database to estimate the current strength of the desire of the user; and an item search unit that uses the current strength of the desire of the user and the current situation of the user to refer to the context-desire database to specify the item suitable for the current strength of the desire of the user and suitable for the current situation of the user and that searches the item from the item database. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification