Home › attribute › oec

Object Existence Certainty Category (OEC)

DGIF baseline 2026-1, the latest. Earlier baselines: timemap.

RDF: oec.ttl

Name

objectExistCertaintyCat

Datatype

Enumeration

Definition

The subjective level of certainty of the existence of an object, as a category.

Description

A subjective analysis based on multiple observations (for example: overhead images or sensor signals) interpreted algorithmically and/or by analysts.

Accepted

2013-10-18

Defined by

NFDD

Values

• OEC_1 Low
• OEC_2 Medium
• OEC_3 High

Used by

• BD002 Small Bottom Object

Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.