This brief tutorial shows that another way of dealing with the semi-structured nature of RDF data is to query for one of a number of possibilities. This section covers UNION patterns, where one of a number of possibilities is tried.

URL: http://jena.apache.org/tutorials/sparql_union.html
Keywords: SPARQL
Publisher: The Apache Software Foundation
Language: http://id.loc.gov/vocabulary/iso639-2/eng
Time required: P10M
Educational audience: student
Interactivity type: mixed

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