Simplified XPath evaluation in XML document validation

Details Simplified XPath evaluation in XML document validation Simplified XPath evaluation in XML document validation

2008-03-31

2011-11-08

Leroux, Etienne (Department: 2161)

Data processing: database and file management or data structures

Online transactional processing system

Reexamination Certificate

active

08055611

ABSTRACT:
Simplified XPath evaluation in Extensible Markup Language (XML) document validation. XML schema is compiled into a one dimensional array of schema nodes, where a schema node represents a complex/simple type definition in the XML scheme. Identity constraints are processed during compilation and Xpath expressions within these constraints are extracted and parsed. Further, these Xpath expressions are evaluated at compilation time to identify the schema nodes corresponding to the XML nodes referred in the identity constraints. The identity constraints are then enforced at runtime without the need to evaluate the Xpath expressions at the runtime.

REFERENCES:
patent: 2006/0101073 (2006-05-01), Popa et al.
patent: 2008/0016122 (2008-01-01), Liu et al.
patent: 2008/0216052 (2008-09-01), Hejlsberg et al.
patent: WO/2007/013079 (2007-02-01), None

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