(: Find the authors in the document. Over bibliography.xml. parke godfrey 2013-11-05 This is an XPath expression / query. Note that all XPath expressions are also legal XQuery queries by themselves. * "doc(...)" is a function that lets you name a source XML document. It takes a URI. Here, I am just identifying an XML file in the same local directory as this query file. * A source can lead the XPath expression, stating the source over which the expression is evaluated. :) doc("bibliography.xml")//author