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Method for providing requested fields by get-data operation in TV-Anytime metadata service

A metadata and metadata table technology, applied in electrical components, simultaneous/sequential multi-TV signal transmission, analog security/charging systems, etc., can solve the problems of waste, waste of resources, waste of network resources, etc., to reduce re-analysis The effect of reducing the load and reducing the processing time

Inactive Publication Date: 2008-12-17
INTELLECTUAL DISCOVERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the waste of network resources for transferring it due to unnecessary metadata of each table and the waste of resources caused by the parsing job of the portable media player
[0027] Moreover, in the case of table unit retrieval in the existing get_Data operation, when the client does not need the metadata of the entire table, there is a problem of wasting resources due to unnecessary metadata transmission and client reparsing.

Method used

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  • Method for providing requested fields by get-data operation in TV-Anytime metadata service
  • Method for providing requested fields by get-data operation in TV-Anytime metadata service
  • Method for providing requested fields by get-data operation in TV-Anytime metadata service

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Embodiment Construction

[0052] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

[0053] in Figure 6 Defines the request field type used to request the query result of a specific element or attribute unit in the modified get_Data operation of the first embodiment of the present invention.

[0054] in Figure 6 In the request domain type, the request domain element and the request path element (RequestedXpath) can be added as sub-elements. The elements are designated as minOccurs='0', maxOccurs='unbounded', and 0 The above infinite request domain element and request path element query.

[0055] The request domain element has Sort Criteria as a child element. The classification criterion represents the classification criterion for the query result, and according to the existing classification method, it has the domain ID as an attribute. The value of the domain ID becomes the domain ID to be received as the query result. Now, the filed...

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Abstract

The present invention provides a method for selectively returning metadata desired by a client by requesting a return result value of domain units in a get_Data operation modified for providing personalized services. In the TV-Anytime metadata service, the method utilizes the get_Data operation to provide table field elements, which includes: (a) adding a request field type that can specify the field of the metadata table to the type of the query result value of the get_Data operation (b) the step of receiving the request information of the get_Data operation; (c) in the case that the request information contains the element of the request field type specifying the query result value, extracting the request field related to the request information The corresponding query result value of the table field specified in the type element, and the step of transmitting the query result value through the response information of the get_Data operation.

Description

Technical field [0001] The present invention relates to a TV-Anytime service, and more particularly to a request domain providing method using a get_Data operation in a TV-Anytime metadata service. Background technique [0002] Recently, with the formalization of digital TV broadcasting services, research on technologies for providing on-demand broadcasting services in a multi-channel and multimedia environment has become more and more active. As an example, TV-Anytime, which is a private international standard, is a standard specification for providing Anytime service. The Anytime service is based on metadata representing content description (description) information. Users can store desired content by matching their own preference information with the metadata, and watch it in free time. [0003] Metadata serves as the description information about the content as described above. In TV-Anytime, it contains the content-based description and EPG (Electronic Program Orientation) i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/16H04N7/08H04N21/60
CPCH04H60/74H04L41/0273H04N21/2353H04N21/64322
Inventor 李锡弼李钟说林泰范尹庆老
Owner INTELLECTUAL DISCOVERY CO LTD