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1. 发明公开

EP1349164A1 Programming interface for accessing metadata 有权转让
标题翻译： Programmierschnittstelle zum Zugriff auf Metadaten
公开(公告)号：EP1349164A1
公开(公告)日：2003-10-01
申请号：EP03251679.1
申请日：2003-03-18
申请人： Sony United Kingdom Limited
发明人： Williams, Michael J. , Thorpe, Jonathan Richard , McGrath, Mark John , Spencer, Matthew Brian , Prayle, Paul Edward , Hodgkins, John Edward
IPC分类号： G11B27/031 , G11B27/32
CPC分类号： G11B27/031 , G11B27/11 , G11B27/322 , G11B27/326 , G11B2220/2516 , G11B2220/455 , G11B2220/90 , Y10S707/914 , Y10S707/916 , Y10S707/99931
摘要： An application programmer's interface provides a facility for accessing metadata describing the content or attributes of information material. The application programmer's interface comprises a signalling protocol processor operable to receive a metadata string which includes a resource identifier providing an address of a metadata resource, and a file transfer processor operable to provide access to the metadata resource in accordance with a request from the application program. The signalling protocol processor provides an efficient facility for communicating the metadata string. The metadata string may be in the form of a mark-up language such as XML. The metadata resource may be for example a proxy version of the information material, such as a video proxy if the information material is video. Accordingly, the file transfer processor is arranged to provide efficient access to the video proxy using the address provided with metadata string. The address may be a Uniform Resource Identifier address allowing access to the resource from any network linked via the World Wide Web. The application programmer's interface therefore provides a standard interface format for making metadata and metadata resources available to application programs.
摘要翻译：应用程序员的界面提供了访问描述信息资料的内容或属性的元数据的功能。应用程序员接口包括信令协议处理器，可操作用于接收包括提供元数据资源的地址的资源标识符的元数据串，以及文件传输处理器，可操作以根据应用程序的请求提供对元数据资源的访问。信令协议处理器提供用于传送元数据字符串的有效设施。元数据字符串可以是诸如XML的标记语言的形式。元数据资源可以是例如信息资料的代理版本，例如视频代理，如果信息资料是视频。因此，文件传输处理器被设置为使用提供有元数据串的地址来提供对视频代理的有效访问。地址可以是允许从通过万维网链接的任何网络访问资源的统一资源标识符地址。因此，应用程序员的界面提供了一种用于使元数据和元数据资源可用于应用程序的标准接口格式。

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