Information-processing system, information-processing apparatus and method, recording medium and program
First Claim
1. An information-processing system comprising:
- a first information-processing apparatus that includesa transmission unit configured to transmit a metadata utilization condition representing information on rights required for utilizing metadata relevant to a content, the metadata being used independently of said content; and
a second information-processing apparatus that includesa reception unit configured to receive said metadata utilization condition from said first information-processing apparatus, the utilization condition including a device security level of the second information-processing apparatus and a list of allowable metadata operations to be performed by the second information-processing apparatus,a metadata-processing determination unit configured to determine whether to process metadata based on said metadata utilization condition,a metadata-processing unit configured to process said metadata in accordance with said metadata utilization condition when metadata is to be processed, andat least one storage unit configured to store the metadata in accordance with the metadata utilization condition,wherein the device security level of said second information-processing apparatus is based on a number of secure storage units included in the at least one storage unit.
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Accused Products
Abstract
Disclosed herein is an information-processing system including a first information-processing apparatus and a second information-processing apparatus, in which: the first information-processing apparatus has transmission unit for transmitting a metadata utilization condition representing information on rights required for utilizing metadata relevant to a content to the second information-processing apparatus; and the second information-processing apparatus has: reception unit for receiving the metadata utilization condition from the first information-processing apparatus; metadata-processing determination unit for determining whether or not metadata can be processed on the basis of the metadata utilization condition received by the reception unit; and metadata-processing unit for processing the metadata in accordance with the metadata utilization condition if a determination result produced by the metadata-processing determination unit indicates that the metadata can be processed.
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Citations
15 Claims
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1. An information-processing system comprising:
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a first information-processing apparatus that includes a transmission unit configured to transmit a metadata utilization condition representing information on rights required for utilizing metadata relevant to a content, the metadata being used independently of said content; and a second information-processing apparatus that includes a reception unit configured to receive said metadata utilization condition from said first information-processing apparatus, the utilization condition including a device security level of the second information-processing apparatus and a list of allowable metadata operations to be performed by the second information-processing apparatus, a metadata-processing determination unit configured to determine whether to process metadata based on said metadata utilization condition, a metadata-processing unit configured to process said metadata in accordance with said metadata utilization condition when metadata is to be processed, and at least one storage unit configured to store the metadata in accordance with the metadata utilization condition, wherein the device security level of said second information-processing apparatus is based on a number of secure storage units included in the at least one storage unit. - View Dependent Claims (2, 3, 10, 11)
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4. An information-processing apparatus for receiving a content, said information-processing apparatus comprising:
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a reception unit configured to receive, from another information-processing apparatus, a metadata utilization condition representing information on rights required for utilizing metadata relevant to said content, the metadata being used independently of said content, the metadata utilization condition including a device security level for the information processing apparatus and a list of allowed operations to be performed on the metadata by the information-processing apparatus; a metadata-processing determination unit configured to determine whether to process metadata based on said metadata utilization condition received by said reception unit; a metadata-processing unit configured to process said metadata in accordance with said metadata utilization condition when said metadata is to be processed; and at least one storage unit configured to store the metadata in accordance with the metadata utilization condition, wherein the device security level of said information-processing apparatus is based on a number of secure storage units included in the at least one storage unit. - View Dependent Claims (5, 6, 7, 12, 13)
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8. An information-processing method causing an information-processing apparatus to receive a content, comprising:
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receiving, at a reception unit, a metadata utilization condition representing information on rights required for utilizing metadata relevant to said content, the metadata being utilized independently of said content, the metadata utilization condition being received from another information-processing apparatus, the metadata utilization condition including a device security level of said information-processing apparatus and a list of potential operations to be performed on the metadata by the information-processing apparatus; determining, in a metadata-processing determination unit, whether to process said metadata based on said metadata utilization condition; processing said metadata in accordance with said metadata utilization condition when said metadata is to be processed; and storing the metadata in at least one storage unit according to the metadata utilization condition, wherein the device security level of said information-processing apparatus is based on a number of secure storage units included in the at least one storage unit. - View Dependent Claims (14, 15)
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9. A computer-readable storage medium adopted by an information-processing apparatus on which program instructions to be executed by a computer to carry out processing to receive a content are recorded, wherein said program instructions comprise:
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receiving a metadata utilization condition representing information on rights required for utilizing metadata relevant to said content, the metadata being utilized independently of said content, the metadata utilization condition being received from another information-processing apparatus, the metadata utilization condition including a device security level of said information-processing apparatus and a list of potential operations to be performed on the metadata by the information-processing apparatus; determining whether to process said metadata based on said metadata utilization condition; processing said metadata in accordance with said metadata utilization condition when said metadata is to be processed; and storing the metadata in at least one storage unit according to the metadata utilization condition, wherein the device security level of said information-processing apparatus is based on a number of secure storage units included in the at least one storage unit.
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Specification