Abstract: Provided is an information processing device capable of generating a recommendation satisfying the needs of a user with high accuracy. An information processing device 10 includes: a PDS (Personal Data Store) unit 12 that stores user data and outputs the stored user data; a dialogue unit 11 that acquires the user data through a dialogue with a user and stores the acquired user data in the PDS unit 12; and a matching unit 13 that acquires catalog data including information relating to commercial items and services from a business-operator system 20, generates a recommendation of at least one of the commercial items and the services from the catalog data on a basis of the user data output from the PDS unit 12, and outputs the generated recommendation to the user.

Abstract: To appropriately access various portions of a concealed graph while suppressing a processing load. Provided is an access management method in which a computer including a control unit performs access management of a graph comprising nodes and directed links between the nodes. The control unit determines, in response to an attempt to access a node N, whether a completeness condition, which indicates that complete access information that is access information with which it is possible to access the node N can be obtained, is satisfied, by combining pieces of access information which have been acquired before accessing the node N. The control unit permits access to the node N from a node M when the completeness condition is satisfied. The control unit suspends access to the node N from the node M when the completeness condition is not satisfied.

Abstract: Matching of terms of data use is performed between the data provider and the data user. An information processing device comprises: a data processing module that processes data; an acquisition unit that acquires processing-object data provided with use-policy data indicating a data-use term prescribed by a data provider; a storage unit that stores use-specification data indicating a data-use term for data that can be processed by the processing module; and a determination unit that, based on the use-policy data and the use-specification data, determines whether or not the acquired processing-object data can be processed by the processing module, and the processing module processes the processing-object data determined by the determination unit as processable.

Abstract: To appropriately access various portions of a concealed graph while suppressing a processing load. Provided is an access management method in which a computer including a control unit performs access management of a graph comprising nodes and directed links between the nodes. The control unit determines, in response to an attempt to access a node N, whether a completeness condition, which indicates that complete access information that is access information with which it is possible to access the node N can be obtained, is satisfied, by combining pieces of access information which have been acquired before accessing the node N. The control unit permits access to the node N from a node M when the completeness condition is satisfied. The control unit suspends access to the node N from the node M when the completeness condition is not satisfied.

Abstract: This invention relates to the subject matter identified in the title. An effective interaction is conducted by giving the user adequate information during information search so as to improve the search efficiency and accuracy. A CPU initially sets a set G containing deleted solution candidates to null and receives input for a search question Q from the user (S1). The CPU refers to a database storage section and creates a solution candidate set F as the result of the search of the database (D) in response to the search question Q by using the similarity of labels defined by a thesaurus T or a subset R of the thesaurus T (S2). The CPU presents the user the information concerning the solution candidates and search question Q as the help for interaction on a display part (S3). The user can check if there is a solution among the solution candidates.

Abstract: This invention relates to the subject matter identified in the title. An effective interaction is conducted by giving the user adequate information during information search so as to improve the search efficiency and accuracy. A CPU initially sets a set G containing deleted solution candidates to null and receives input for a search question Q from the user (S1). The CPU refers to a database storage section and creates a solution candidate set F as the result of the search of the database (D) in response to the search question Q by using the similarity of labels defined by a thesaurus T or a subset R of the thesaurus T (S2). The CPU presents the user the information concerning the solution candidates and search question Q as the help for interaction on a display part (S3). The user can check if there is a solution among the solution candidates.