Common Location is an insight from geolocation data measuring visitor origin points.
Zartico uses Common Evening Location (CEL) in measuring geolocation data.
The Common Evening Location is where a device rests in the evening.
Using an algorithm, and drawing from several months of historical mobile location data, a device’s likely home location is derived based on where it rests during “non work” hours, defined as evenings (6 pm to 8 am) and weekends.
When we observe a device in an airport, we to classify it as an Inbound or an Outbound flyer based on the device’s distance from it’s Common Evening Location (CEL) for that classification.
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