Glossary of Common Terms
This page contains a selection of key terms important to understanding the structure of data within Data Commons.
Any type of metric, statistic, or measure that can be measured at a place and time. Examples include median income,
median income of females, number of high school graduates, unemployment rate, or prevalence of diabetes. For more
information, see “Intro to
A set of instances of a certain given type that satisfy some set of constraints. Inherited from schema.org definition.
When instantiated, can be used to specify observations about an entity at a particular time. Inherited from schema.org definition.
A three-part grouping describing node and edge objects in the Data Commons graph.
Meta Content Framework (MCF)
A simple format used to represent graph data, used extensively in Data Commons due to its simple readability. For more information, see the Data Commons guide to MCF.