| http://www.w3.org/ns/prov#value | - For example, in registering for the draft during World War I, men were asked whether they were citizens or not, and then, if they were citizens, whether they were naturalized or Natural Born Citizens. (http://query.nytimes.com/mem/archive-free/pdf?res=9D02E7D8123AE433A25750C2A9639C946696D6CF)
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