Github user rvesse commented on a diff in the pull request: https://github.com/apache/jena/pull/463#discussion_r211191248 --- Diff: jena-arq/src/main/java/org/apache/jena/sparql/core/DynamicDatasets.java --- @@ -56,8 +55,8 @@ public static DatasetGraph dynamicDataset(DatasetDescription description, Datase if (description.isEmpty() ) return dsg; - Set<Node> defaultGraphs = NodeUtils.convertToNodes(description.getDefaultGraphURIs()) ; - Set<Node> namedGraphs = NodeUtils.convertToNodes(description.getNamedGraphURIs()) ; + Collection<Node> defaultGraphs = NodeUtils.convertToNodes(description.getDefaultGraphURIs()) ; --- End diff -- Isn't the point of using sets here to remove duplicates or is that now done in the `NodeUtils.convertToNodes()` method?
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