dc:modified	dc:created	dc:title	standard concept	xml:lang	dc:source	standard_code
2011-11-28T16:16:17+00:00	2011-11-28T16:16:17+00:00	nominal	nominal	en	doi:doi:10.1126/science.103.2684.677	title
2011-11-28T16:16:58+00:00	2011-11-28T16:16:58+00:00	categorical	nominal	en		title
2011-11-28T16:18:27+00:00	2011-11-28T16:18:27+00:00	ordinal	ordinal	en	doi:doi:10.1126/science.103.2684.677	title
2011-11-28T16:19:33+00:00	2011-11-28T16:19:33+00:00	interval	interval	en	doi:doi:10.1126/science.103.2684.677	title
2011-11-28T16:23:59+00:00	2011-11-28T16:23:59+00:00	ratio	ratio	en	doi:doi:10.1126/science.103.2684.677	title