A trade association that promotes the use of location-based marketing techniques.
The angular distance east or west of the prime meridian, measured in degrees.
A map is a two-dimensional, graphical representation of a three-dimensional area. The surface of the Earth is projected onto a flat surface, using a map projection.
A map scale indicates the relationship between the distance on the map and the corresponding distance on the ground.
The Marine Environmental Data and Information Network (MEDIN) is a UK-based initiative that aims to improve the accessibility of marine environmental data.
MEDIN has established a metadata schema to standardise the description of marine data sets.
A meridian is a line of longitude, running from the North Pole to the South Pole.
A metadata schema is a set of rules for how metadata should be structured.
A unique identifier that is assigned to a mobile device for the purpose of tracking mobile advertising.