Patent · US Active

XSLT/XPATH focus inference for optimized XSLT implementation

US8074166B2 · kind B2 · utility

2Cited by

4References

17Claims

0Family size

Assignee

Microsoft Corporation · US

Inventors

Anton V. Lapounov · Kirkland, US
Ralf Lammel · Redmond, US
Sergey Dubinets · Bellevue, US

Key dates

Filing date	Sep 13, 2006
Grant date	Dec 6, 2011
Priority date	—
Expiry date	Feb 26, 2030

Classification

Technology area (CPC G)Physics
CPC primaryG06F40/143
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

Techniques are provided for performing focus inference when compiling an Extensible Markup Language Transforms (XSLT) stylesheet into a compiled XSLT processor. In XPath/XSLT, expression evaluation occurs with respect to the dynamic context. In XPath, the part of the dynamic context, related to the context node-set, is called the “focus” of the expression. Conceptually, the focus would need to be systematically computed and propagated along the recursive execution of XSLT templates. This is costly. Focus inference enables the more efficient execution of XSLT programs since the inferred focus information can be used directly by a code generator in an XSLT compilation architecture.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.