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Attribute Specification in a Structured Data Stream

IP.com Disclosure Number: IPCOM000037965D
Original Publication Date: 1989-Sep-01
Included in the Prior Art Database: 2005-Jan-31
Document File: 1 page(s) / 11K

Publishing Venue

IBM

Related People

Barker, BA: AUTHOR [+3]

Abstract

Management of tags embedded in a data stream is provided by a shell structure. Formatting directives and routines for processing the data stream within the scope of an embedded tag are specified in the shell. In order to facilitate processing, a method for describing formatting and processing characteristics or attributes of an embedded tag is required. To satisfy this requirement, a function permitting the specification of attributes to be associated with named constructs in a shell structure is provided.

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Attribute Specification in a Structured Data Stream

Management of tags embedded in a data stream is provided by a shell structure. Formatting directives and routines for processing the data stream within the scope of an embedded tag are specified in the shell. In order to facilitate processing, a method for describing formatting and processing characteristics or attributes of an embedded tag is required. To satisfy this requirement, a function permitting the specification of attributes to be associated with named constructs in a shell structure is provided.

An attribute of a tagged element is specified by including a Document Attribute (DOA) structured field in the shell structure. A Fully Qualified Name (FQN) triplet type X'A4' is included on the DOA structured field to name the attribute. To associate an attribute with a named construct, a FQN triplet type X'9B' (reference to a list of attribute name/value pairs) must be included on the name construct structured field. A reference to a list of attribute name/value pairs can also be included on the tag element structured field.

Providing a method to associate attributes with named constructs in a shell results in an improvement in flexibility, efficiency and useability when managing a structured data stream.

Disclosed anonymously.

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