"Cube Schema" .
"Constraint" .
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"Specifies constraints that need to be met on the Cube. Used for metadata and validation." .
"Cube" .
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"Represents the entry point for a collection of observations, conforming to some common dimensional structure." .
"Observation" .
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"A single observation in the cube, may have one or more associated dimensions." .
"Observation Set" .
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"A set of observations." .
"observation" .
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"Connects a set of observations with a single observation." .
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"observation constraint" .
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"Connects a cube with a constraint for metadata and validation." .
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"observation set" .
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"Connects a cube with a set of observations." .
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"observed by" .
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"Connects an observation with the agent that created the observation. The agent can be a person, organisation, device or software. A description of the method to gather the data could be attached to the agent." .
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"Undefined observation." .
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"An observation which is not defined." .
"Key Dimension" .
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"The KeyDimension tags one or multiple dimensions which are together uniquely identifying an observation. You can think of them as the Key in a relational database." .
"Measure Dimension" .
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"The MeasureDimension tags at least one dimension, but potentially multiple, which is the actual measurement, or statistical count attached to an observation." .