hyracks-documentation/src/books/user-guide/doxia-descriptor.xml

<book xmlns="http://maven.apache.org/BOOK/1.0.0"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://maven.apache.org/BOOK/1.0.0 ../../../doxia/doxia-book/target/generated-site/xsd/book-1.0.0.xsd">
  <id>user-guide</id>
  <title>Hyracks User Guide</title>
  <chapters>
    <chapter>
      <id>introduction</id>
      <title>Introduction</title>
      <sections>
        <section>
          <id>intro-whatis</id>
          <title>What is Hyracks?</title>
          <file>intro-whatis.apt</file>
        </section>
      </sections>
    </chapter>
  </chapters>
</book>