Browse Prior Art Database

Graphical Representation of a Complex Portion of a Grammar Rule as an Embedded Sub-Rule

IP.com Disclosure Number: IPCOM000033285D
Original Publication Date: 2004-Dec-03
Included in the Prior Art Database: 2004-Dec-03
Document File: 2 page(s) / 86K

Publishing Venue

IBM

Abstract

Disclosed is a method for displaying a graphical representation of a complex rule in a grammar, which involves encapsulating complex portions of that rule into separate rule references and visualizing that complex logic in the graphical representation of those "embedded sub-rules".

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Graphical Representation of a Complex Portion of a Grammar Rule as an Embedded Sub-Rule

When building a graphical representation of a grammar rule for a speech recognition system, rules may reference other rules (sub-rules) to build a complex hierarchy of grammar syntax. However, it is also possible to create a rule where portions of that rule contain complex syntax, which would complicate the high-level visualization of the rule structure. To resolve this, this invention separates out those complex portions and represents them in the graphical representation as a separate rule, referenced in the containing rule as an "embedded" sub-rule, to signify that the rule doesn't stand on its own, but is instead strictly contained within the context of where it is being referenced.

In one embodiment, this invention can be implemented in a graphical modeling tool for grammars, where the source code for a complex grammar is translated to a graphical object-oriented representation. The high-level visualization of the rule could contain simple constructs of the grammar syntax (words and rule references), but anything more complex would be split out to a separate sub-rule and referenced by a single object in the referencing rule. When the user of the tool then makes modifications to the grammar rules and saves the model to create the source code for the grammar, the "embedded" sub-rule would render itself as part of the referencing rule, rather than as a separate and distinct...