4R
E890405
4R is a designated runway number used at airports, indicating a right-hand runway aligned roughly with a 040-degree magnetic heading.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 4R canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10880477 — 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: 4R Context triple: [Runway 4R (Newark), hasRunwayNumber, 4R]
-
A.
R4
R4 is a commuter rail line in the Rodalies de Catalunya network serving key suburban and regional routes in Catalonia, Spain.
-
B.
R4
R4 is a government office building in Oslo that forms part of Norway’s central Regjeringskvartalet complex.
-
C.
R-4
The R-4 is a World War II–era Sikorsky helicopter recognized as the first mass-produced helicopter and the first to be used operationally by the U.S. military.
-
D.
5R4
5R4 is the FAA location identifier for Foley Municipal Airport, a public-use airport serving Foley, Alabama.
-
E.
R40
R40 is a regional commuter rail line in Catalonia, Spain, operating as part of the Rodalies de Catalunya network.
- 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: 4R Target entity description: 4R is a designated runway number used at airports, indicating a right-hand runway aligned roughly with a 040-degree magnetic heading.
-
A.
R4
R4 is a commuter rail line in the Rodalies de Catalunya network serving key suburban and regional routes in Catalonia, Spain.
-
B.
R4
R4 is a government office building in Oslo that forms part of Norway’s central Regjeringskvartalet complex.
-
C.
R-4
The R-4 is a World War II–era Sikorsky helicopter recognized as the first mass-produced helicopter and the first to be used operationally by the U.S. military.
-
D.
5R4
5R4 is the FAA location identifier for Foley Municipal Airport, a public-use airport serving Foley, Alabama.
-
E.
R40
R40 is a regional commuter rail line in Catalonia, Spain, operating as part of the Rodalies de Catalunya network.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf |
runway designation
ⓘ
runway identifier ⓘ |
| appliesWhen | two or more runways share heading 04 ⓘ |
| followsStandard |
FAA runway designation rules
ⓘ
ICAO runway designation rules ⓘ |
| hasApproximateMagneticHeading | 040 degrees ⓘ |
| hasApproximateMagneticHeadingRange | 036–045 degrees ⓘ |
| hasComplementaryRunway | 22L ⓘ |
| hasMeaningOfSideDesignator | right ⓘ |
| hasOrientation | northeast–southwest ⓘ |
| hasReciprocalHeading | approximately 220 degrees magnetic ⓘ |
| hasReciprocalRunwayNumber | 22 ⓘ |
| hasRunwayNumber | 4 ⓘ |
| hasSideDesignator | R ⓘ |
| hasUnitForHeading | degrees magnetic ⓘ |
| isAffectedBy | magnetic variation changes over time ⓘ |
| isBasedOn | magnetic heading of runway centerline ⓘ |
| isDefinedBy | runway numbering conventions ⓘ |
| isDisplayedOn |
aerodrome charts
ⓘ
instrument approach charts ⓘ runway threshold markings ⓘ |
| isParallelTo | 4L ⓘ |
| isPartOf | runway marking system ⓘ |
| isRoundedFrom | true magnetic bearing divided by 10 ⓘ |
| isUsedAt | airports with parallel runways ⓘ |
| isUsedBy |
air traffic control
ⓘ
pilots ⓘ |
| isUsedIn |
civil aviation
ⓘ
commercial aviation ⓘ general aviation ⓘ military aviation ⓘ |
| isUsedTo | distinguish parallel runways ⓘ |
| mayBeRenumberedFrom | 3R ⓘ |
| mayBeRenumberedTo | 5R ⓘ |
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: 4R Description of subject: 4R is a designated runway number used at airports, indicating a right-hand runway aligned roughly with a 040-degree magnetic heading.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.