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The key to good performing Schematron

Hi Folks,

Recall that in Schematron documents rules are expressed using one or more <assert> elements, each using an XPath expression:

<sch:assert test="XPath expression">

The way the XPath expressions are designed can make a huge difference in performance. For example, recently I was dealing with an XML document containing over 100,000 records. I needed Schematron to test each record. In my first version, executing the Schematron on the XML document took 3 hours. I then revised the XPath expressions and the time dropped to 6 seconds!

More ... http://xfront.com/The-key-to-good-performing-Schematron.pdf


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