Grand Central Airport
E323434
Grand Central Airport is a small general aviation airport in Midrand, South Africa, primarily serving private, charter, and flight training operations.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Grand Central Airport canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T3056764 — 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: Grand Central Airport Context triple: [Midrand, hasAirport, Grand Central Airport]
-
A.
South Terminal
South Terminal is one of the two main passenger terminals at London Gatwick Airport, handling a large share of the airport’s flights and passenger services.
-
B.
South Terminal
South Terminal is a secondary, smaller terminal at Vancouver International Airport that primarily serves regional and charter flights.
-
C.
South Terminal
South Terminal is one of the main passenger terminals at Miami International Airport, serving multiple airlines and handling a significant share of the airport’s domestic and international flights.
-
D.
Central Terminal
Central Terminal is one of the main passenger terminals at Miami International Airport, serving as a hub for multiple airlines and a variety of domestic and international flights.
-
E.
East Terminal
East Terminal is one of the passenger terminals at St. Louis Lambert International Airport, serving as a concourse for commercial airline operations and traveler services.
- 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: Grand Central Airport Target entity description: Grand Central Airport is a small general aviation airport in Midrand, South Africa, primarily serving private, charter, and flight training operations.
-
A.
South Terminal
South Terminal is one of the two main passenger terminals at London Gatwick Airport, handling a large share of the airport’s flights and passenger services.
-
B.
South Terminal
South Terminal is a secondary, smaller terminal at Vancouver International Airport that primarily serves regional and charter flights.
-
C.
South Terminal
South Terminal is one of the main passenger terminals at Miami International Airport, serving multiple airlines and handling a significant share of the airport’s domestic and international flights.
-
D.
Central Terminal
Central Terminal is one of the main passenger terminals at Miami International Airport, serving as a hub for multiple airlines and a variety of domestic and international flights.
-
E.
East Terminal
East Terminal is one of the passenger terminals at St. Louis Lambert International Airport, serving as a concourse for commercial airline operations and traveler services.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
airport
ⓘ
general aviation airport ⓘ |
| category | civil airport ⓘ |
| country | South Africa ⓘ |
| elevation |
1624 m
ⓘ
5327 ft ⓘ |
| hasBasedAircraft | general aviation aircraft ⓘ |
| hasFacility |
control tower
ⓘ
flight schools ⓘ hangars ⓘ maintenance facilities ⓘ |
| hasNavigationAid | non-precision approach procedures ⓘ |
| hasRunway | Runway 17/35 ⓘ |
| hasService |
aircraft fueling
ⓘ
aircraft maintenance ⓘ charter services ⓘ flight training services ⓘ |
| hasTerminalBuilding | yes ⓘ |
| hasTypeOfTraffic |
charter traffic
ⓘ
general aviation traffic ⓘ training traffic ⓘ |
| IATAcode | GCJ ⓘ |
| ICAOcode | FAGC ⓘ |
| isAlternativeTo |
Lanseria International Airport
ⓘ
O. R. Tambo International Airport ⓘ |
| isPublicUse | true ⓘ |
| locatedIn |
Gauteng
ⓘ
Midrand ⓘ |
| locatedNear |
Midrand business district
ⓘ
linked to:
Midrand
N1 highway ⓘ |
| locatedOnContinent | Africa ⓘ |
| near |
Johannesburg
ⓘ
linked to:
Johannesburg, South Africa
Pretoria ⓘ
linked to:
Pretoria, South Africa
|
| primaryUse |
charter flights
ⓘ
flight training ⓘ private aviation ⓘ |
| regionServed | Gauteng ⓘ |
| runwayCount | 1 ⓘ |
| runwayDesignation | 17/35 ⓘ |
| runwayLength |
1824 m
ⓘ
5985 ft ⓘ |
| runwaySurface | asphalt ⓘ |
| serves |
Johannesburg metropolitan area
ⓘ
linked to:
Greater Johannesburg metropolitan area
Midrand ⓘ |
| timezone | SAST ⓘ |
| UTCoffset | +02:00 ⓘ |
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: Grand Central Airport Description of subject: Grand Central Airport is a small general aviation airport in Midrand, South Africa, primarily serving private, charter, and flight training operations.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.