This code sample is adapted from Clifford B. Anderson and Joseph C. Wicentowski, XQuery for Humanists (College Station: Texas A&M University Press, 2020), 253. Download this code sample in its raw form. View the source on GitHub.

declare function local:generate-uri($resource as xs:integer?)
    as xs:string {
    "http://forhumanists.org/" || xs:string($resource)
};