Category: Location

Dataset

A dataset is a collection of data that has been organized for a specific purpose. A dataset may be created for a specific research project, or it may be created as part of a larger data collection effort.

Datum

A datum is a specific piece of information that is used as the basis for a measurement or calculation. A datum can be a physical object, such as a benchmark or a control point, or it can be a theoretical construct, such as a reference ellipsoid or a geoid.

Demand Side Platform (DSP)

A platform that helps businesses buy advertising space on websites and other digital platforms.

Depth

Depth is a measure of the vertical distance between two points. In the context of data, depth may refer to the number of layers in a data set, the number of levels in a hierarchy, or the number of dimensions in a data set.

Device Identifiable Information (DII)

Information that can be used to identify a particular device, such as an IP address or a MAC address.

Digital Advertising Alliance (DAA)

An industry self-regulatory body that develops and enforces standards for online advertising.

Digital elevation model (DEM)

A digital elevation model is a digital representation of the topographic surface of a region. DEMs are often used to generate digital terrain models, which are used for a variety of purposes, including land-use planning, resource management, and disaster response.

Digital Out of Home (DOOH)

Digital out of home (DOOH) is a form of marketing that uses digital displays in public places, such as bus stops or train stations, to deliver advertising messages to passersby.

Digital surface model (DSM)

A digital surface model is a digital representation of the topographic surface of a region, including features such as buildings and vegetation. DSM data is often used to generate digital terrain models, which are used for a variety of purposes, including land-use planning, resource management, and disaster response.

Digital terrain model (DTM)

A digital terrain model is a digital representation of the topographic surface of a region, excluding features such as buildings and vegetation. DTMs are often used for a variety of purposes, including land-use planning, resource management, and disaster response.