Method for evaluating xpath-like fragment identifiers of...

Details Method for evaluating xpath-like fragment identifiers of... Method for evaluating xpath-like fragment identifiers of...

2011-07-19

2011-07-19

Lu, Kuen S (Department: 2156)

Data processing: database and file management or data structures

Database and file access

Search engines

C707S913000

Reexamination Certificate

active

07984037

ABSTRACT:
A method of retrieving a plurality of resource fragments from a audio-visual resource that is encoded using a hierarchical addressing model for the class of resources of which the audio-visual resource is a member is disclosed. The method comprises inputting a URI reference (1407) comprising a Universal Resource Identifier (1401) and a complex fragment identifier (1402) comprising a plurality of audio-visual resource specific location steps. Thereafter the method comprises a step of locating the audio-visual resource using the Universal Resource Name, and establishing (2023) a logical representation (2040) of the structure of the audio-visual resource. Then the method iteratively evaluates the fragment identifier location steps (1110) against the logical representation (2040) to resolve the complex fragment identifier (1402) into a set of explicit fragment references (1406) configured to explicitly address each of the plurality of resource fragments.

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Chen et al., “A Data Exchange Model between Hierarchical Databases and XML Documents,” Department of Information Management Chaoyang University of Technology, May 2004.
Auffret et al., “Audiovisual-based Hypermedia Authoring: using structured representations for efficient access to AV documents,” ACM, 1999.

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