code: public static URI build(URI repoUri, String namespace, String dataset) {
      return new URIBuilder(repoUri, namespace, dataset).build();
    }
docs: Builds a dataset URI from the given repository URI, namespace, and dataset
  name.
  
  @param repoUri a repository URI
  @param namespace a String namespace
  @param dataset a String dataset name
  @return a dataset URI for the namespace and dataset name in the repository
  
  @since 0.17.0