Robertsfield
E784799
Robertsfield is the former and colloquial name for Liberia’s main international airport serving the capital, Monrovia.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Robertsfield canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T9197996 — 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: Robertsfield Context triple: [Roberts International Airport, hasAlternateName, Robertsfield]
-
A.
Cummertrees
Cummertrees is a historic parish and rural settlement in Annandale, Dumfries and Galloway, in southwest Scotland.
-
B.
Gracefield
Gracefield is a small town in western Quebec, Canada, known for its rural setting and proximity to the Gatineau River and surrounding lakes and forests.
-
C.
Darfield
Darfield is a village in South Yorkshire, England, historically associated with coal mining and situated near the River Dearne.
-
D.
Rolleston
Rolleston is a small rural town in Central Queensland, Australia, known as a service centre for surrounding agricultural areas and a gateway to the Carnarvon Gorge.
-
E.
Highworth
Highworth is a historic market town in Wiltshire, England, known for its elevated position and traditional architecture.
- 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: Robertsfield Target entity description: Robertsfield is the former and colloquial name for Liberia’s main international airport serving the capital, Monrovia.
-
A.
Cummertrees
Cummertrees is a historic parish and rural settlement in Annandale, Dumfries and Galloway, in southwest Scotland.
-
B.
Gracefield
Gracefield is a small town in western Quebec, Canada, known for its rural setting and proximity to the Gatineau River and surrounding lakes and forests.
-
C.
Darfield
Darfield is a village in South Yorkshire, England, historically associated with coal mining and situated near the River Dearne.
-
D.
Rolleston
Rolleston is a small rural town in Central Queensland, Australia, known as a service centre for surrounding agricultural areas and a gateway to the Carnarvon Gorge.
-
E.
Highworth
Highworth is a historic market town in Wiltshire, England, known for its elevated position and traditional architecture.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
airport
ⓘ
international airport ⓘ |
| alsoKnownAs |
Roberts Field
ⓘ
Roberts International Airport ⓘ Roberts International Airport (RIA) ⓘ
linked to:
Roberts International Airport
|
| classification | public airport ⓘ |
| connectsTo | Monrovia via Roberts International Airport Highway ⓘ |
| country | Liberia ⓘ |
| distanceFromMonrovia | about 56 kilometers ⓘ |
| elevation | about 31 meters ⓘ |
| formerNameOf | Roberts International Airport ⓘ |
| hasFacility |
air traffic control tower
ⓘ
cargo facilities ⓘ fire and rescue services ⓘ fuel farm ⓘ |
| hasNavigationAid |
ILS (historically, on main runway)
ⓘ
NDB ⓘ VOR/DME ⓘ |
| hasParking |
aircraft apron
ⓘ
passenger vehicle parking area ⓘ |
| hasRole | hub for international flights to and from Liberia ⓘ |
| hasRunway | runway 04/22 ⓘ |
| hasTerminal | passenger terminal ⓘ |
| historicalUse | US military airfield during World War II (as Roberts Field) ⓘ |
| IATAcode | ROB ⓘ |
| ICAOcode | GLRB ⓘ |
| locatedIn | Margibi County ⓘ |
| locatedNear |
Robertsport Highway
ⓘ
Unification Town ⓘ
linked to:
Unification City
|
| namedAfter |
Joseph Jenkins Roberts
ⓘ
William V. S. Tubman ⓘ |
| nearBodyOfWater | Atlantic Ocean ⓘ |
| opened | World War II era ⓘ |
| operatedBy | Liberia Airport Authority ⓘ |
| primaryRunwaySurface | asphalt ⓘ |
| region | Montserrado–Margibi area ⓘ |
| regionServed | West Africa ⓘ |
| runwayLength | about 3350 meters ⓘ |
| servesAs |
base for domestic flights in Liberia
ⓘ
main international gateway of Liberia ⓘ primary airport for Monrovia ⓘ primary point of entry for international visitors to Liberia ⓘ |
| servesCapital | Monrovia ⓘ |
| servesCity | Monrovia ⓘ |
| timeZone | Greenwich Mean Time ⓘ |
| usedBy |
civil aviation
ⓘ
military aviation (historically) ⓘ |
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: Robertsfield Description of subject: Robertsfield is the former and colloquial name for Liberia’s main international airport serving the capital, Monrovia.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.