Example 5-14: Ruleset document describes a set of XPath validation rules

<ruleset name="AbstractSubmission">
  <rule name="Submission must have an abstract">
    /Submission/Abstract
  </rule>
  <rule name="Author must supply First name, Last name, and Email">
     /Submission/Author[Name/First and Name/Last and Email]
  </rule>
  <rule name="Title must be longer than 12 characters">
    string-length(/Submission/Title) > 12
  </rule>
  <rule name="You must have previous presentation experience.">
    //Author/PreviousExperience = "Yes"
  </rule>
</ruleset>