National Geodetic Survey
E9307
The National Geodetic Survey is the U.S. federal agency responsible for defining, maintaining, and providing access to the national coordinate system used for mapping, charting, and navigation.
All labels observed (7)
How this entity was disambiguated
This entity first appeared as the object of triple T28121 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: National Geodetic Survey Context triple: [National Oceanic and Atmospheric Administration, hasDivision, National Geodetic Survey]
-
A.
National Oceanic and Atmospheric Administration
The National Oceanic and Atmospheric Administration (NOAA) is a U.S. federal scientific agency focused on understanding and predicting changes in climate, weather, oceans, and coasts, and managing and conserving marine and coastal resources.
-
B.
Office of Coast Survey Navigation Services Division
The Office of Coast Survey Navigation Services Division is a unit within NOAA responsible for providing nautical charting, navigation information, and related services to support safe and efficient maritime transportation.
-
C.
Geophysical Service Incorporated
Geophysical Service Incorporated was an early geophysical exploration company that evolved into Texas Instruments, playing a foundational role in the development of modern electronics and semiconductor technology.
-
D.
U.S. Army Corps of Engineers
The U.S. Army Corps of Engineers is a federal agency within the U.S. Department of Defense responsible for designing, building, and maintaining military and civil engineering projects such as dams, waterways, and infrastructure.
-
E.
Naval Research Laboratory
The Naval Research Laboratory is the U.S. Navy’s corporate research laboratory, conducting advanced scientific and technological research to support naval and national defense capabilities.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: National Geodetic Survey Target entity description: The National Geodetic Survey is the U.S. federal agency responsible for defining, maintaining, and providing access to the national coordinate system used for mapping, charting, and navigation.
-
A.
National Oceanic and Atmospheric Administration
The National Oceanic and Atmospheric Administration (NOAA) is a U.S. federal scientific agency focused on understanding and predicting changes in climate, weather, oceans, and coasts, and managing and conserving marine and coastal resources.
-
B.
Office of Coast Survey Navigation Services Division
The Office of Coast Survey Navigation Services Division is a unit within NOAA responsible for providing nautical charting, navigation information, and related services to support safe and efficient maritime transportation.
-
C.
Geophysical Service Incorporated
Geophysical Service Incorporated was an early geophysical exploration company that evolved into Texas Instruments, playing a foundational role in the development of modern electronics and semiconductor technology.
-
D.
U.S. Army Corps of Engineers
The U.S. Army Corps of Engineers is a federal agency within the U.S. Department of Defense responsible for designing, building, and maintaining military and civil engineering projects such as dams, waterways, and infrastructure.
-
E.
Naval Research Laboratory
The Naval Research Laboratory is the U.S. Navy’s corporate research laboratory, conducting advanced scientific and technological research to support naval and national defense capabilities.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
federal agency
ⓘ
government organization ⓘ |
| abbreviation | NGS ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| defines |
geodetic datums for the United States
ⓘ
geoid models ⓘ horizontal datums ⓘ vertical datums ⓘ |
| field |
cartography
ⓘ
geodesy ⓘ geospatial science ⓘ navigation ⓘ surveying ⓘ |
| formerName |
U.S. Coast and Geodetic Survey
ⓘ
linked to:
National Geodetic Survey
|
| foundedBy |
United States federal government
ⓘ
linked to:
United States government
|
| headquartersLocation | Silver Spring, Maryland ⓘ |
| jurisdiction |
federal government of the United States
ⓘ
linked to:
United States government
|
| language | English ⓘ |
| locatedIn |
Maryland
ⓘ
United States ⓘ
linked to:
United States of America
|
| maintains |
National Spatial Reference System
ⓘ
geodetic control networks ⓘ |
| operates | Continuously Operating Reference Stations network ⓘ |
| parentOrganization |
National Oceanic and Atmospheric Administration
ⓘ
U.S. Department of Commerce ⓘ |
| partOf | NOAA National Ocean Service ⓘ |
| provides |
coordinate reference frames
ⓘ
geodetic data ⓘ geodetic tools and software ⓘ height modernization services ⓘ online geodetic data access ⓘ survey control information ⓘ |
| responsibleFor |
National Spatial Reference System
ⓘ
national coordinate system of the United States ⓘ |
| supports |
charting
ⓘ
coastal management ⓘ engineering projects ⓘ floodplain management ⓘ land surveying ⓘ mapping ⓘ navigation ⓘ transportation infrastructure ⓘ |
| uses |
GNSS observations
ⓘ
Global Positioning System ⓘ
linked to:
GPS
geodetic leveling ⓘ gravity measurements ⓘ remote sensing ⓘ |
| website | https://www.ngs.noaa.gov/ ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: National Geodetic Survey Description of subject: The National Geodetic Survey is the U.S. federal agency responsible for defining, maintaining, and providing access to the national coordinate system used for mapping, charting, and navigation.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: National Geodetic Survey
linked to: National Geodetic Survey
linked to: National Geodetic Survey
subject linked to:
NGS
linked to: National Geodetic Survey
linked to: National Geodetic Survey
linked to: National Geodetic Survey