open-civic-data.json

{
	category : "", // Required Single category from (http://opencivicdata.com/#categories-wg)
	properties : {} // Required Common bin for domain specific properties from from (http://opencivicdata.com/#properties-wg)
	meta : { // Optional: Simple Dublin Core Metadata Element Set
		title : "",
		creator : "",
		subject : "",
		description : "",
		publisher : "",
		contributor : "",
		date : "",
		type : "",
		format : "",
		identifier : "",
		source : "",
		language : "",
		relation : "",
		coverage : "",
		rights : ""
	}
	geometry : {} // Optional Geojson location feature (http://geojson.org/geojson-spec.html)
}

ok, I'm clearly too GIS biased... http://www.fgdc.gov/metadata/csdgm-new/09.html