Method and apparatus for maintaining relationships between parts in a package
First Claim
1. A data structure stored on a hardware device comprising a multimedia content item that includes descriptive metadata about a content item and instructions for acquiring the multimedia content item, wherein the data structure is comprising a Media Description comprising:
- a package comprising one or more parts, wherein the one or more parts are described using an extensible markup language (XML), wherein at least one part has a content type, each content type comprising at least a media type and a subtype;
at least a first relationship element identifying a relationship between the one or more parts in the package, wherein the relationship is described using the extensible markup language (XML);
at least one connection between one or more parts in the package, wherein the connection is discovered by analyzing the relationship associated with the one or more parts in the package;
at least a second relationship element identifying a source part;
at least one attribute identifying a target part in each of the first and second relationships;
at least one attribute identifying a name, wherein the name identifies a purpose of each of the first and second relationships;
at least one selector part selecting between the one or more parts;
at least one sequence part combining two or more parts into a single part;
at least one package markup definition component; and
rendering the Media Description.
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Abstract
Modular content framework and document format methods and systems are described. The described framework and format define a set of building blocks for composing, packaging, distributing, and rendering document-centered content. These building blocks define a platform-independent framework for document formats that enable software and hardware systems to generate, exchange, and display documents reliably and consistently. The framework and format have been designed in a flexible and extensible fashion. In addition to this general framework and format, a particular format, known as the reach package format, is defined using the general framework. The reach package format is a format for storing paginated documents. The contents of a reach package can be displayed or printed with full fidelity among devices and applications in a wide range of environments and across a wide range of scenarios.
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Citations
6 Claims
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1. A data structure stored on a hardware device comprising a multimedia content item that includes descriptive metadata about a content item and instructions for acquiring the multimedia content item, wherein the data structure is comprising a Media Description comprising:
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a package comprising one or more parts, wherein the one or more parts are described using an extensible markup language (XML), wherein at least one part has a content type, each content type comprising at least a media type and a subtype; at least a first relationship element identifying a relationship between the one or more parts in the package, wherein the relationship is described using the extensible markup language (XML); at least one connection between one or more parts in the package, wherein the connection is discovered by analyzing the relationship associated with the one or more parts in the package; at least a second relationship element identifying a source part; at least one attribute identifying a target part in each of the first and second relationships; at least one attribute identifying a name, wherein the name identifies a purpose of each of the first and second relationships; at least one selector part selecting between the one or more parts; at least one sequence part combining two or more parts into a single part; at least one package markup definition component; and rendering the Media Description. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification