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5 Cards in this Set
- Front
- Back
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How would you distinguish data from Information?
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Information is processed/inferred data.
Information can answer questions. Example: numbers in a phonebook. |
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What is a reference system?
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An established set of rules for measurement. Provides a means to compare a particular measurment to other performed with reference to the same set of rules.
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Why do we need multiple reference Systems?
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For difference domains (space, time, attribute), countries and levels of measurement
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What is a spatial reference system?
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A Mechanism to situate meeasurments on a geometric body, such as the earth; establishes a point of origin, orientation of reference axes, and geometric meaning of measurements, as well as units of measure
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Can space and time be seen as special attributes?
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Yes, they describe continuous measurements at interval level wich can change.
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