Sofia Airport
E165787
Sofia Airport is the main international airport serving Bulgaria’s capital city, Sofia, and one of the country’s busiest air transport hubs.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Sofia Airport canonical | 20 |
| Sofia Airport EAD | 1 |
| Sofia Airport station | 1 |
| Sofia Airport, Sofia, Bulgaria | 1 |
| Terminal 1 (Sofia Airport) | 1 |
| Terminal 2 (Sofia Airport) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1451476 — 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: Sofia Airport Context triple: [Sofia, hasAirport, Sofia Airport]
-
A.
Rota International Airport
Rota International Airport is a public airport serving the island of Rota in the Northern Mariana Islands, providing regional air connections within the western Pacific.
-
B.
Istanbul Airport
Istanbul Airport is a major international aviation hub in Turkey that serves as one of the world’s busiest airports and a primary base for Turkish Airlines.
-
C.
Nikola Tesla International Airport
Nikola Tesla International Airport is the main international airport serving Belgrade, Serbia, named in honor of the renowned inventor and electrical engineer Nikola Tesla.
-
D.
Sarajevo International Airport
Sarajevo International Airport is the main commercial airport serving Bosnia and Herzegovina’s capital, handling both domestic and international flights.
-
E.
Budapest Ferenc Liszt International Airport
Budapest Ferenc Liszt International Airport is Hungary’s largest and busiest international airport, serving as the primary air gateway to Budapest and a major hub in Central Europe.
- 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: Sofia Airport Target entity description: Sofia Airport is the main international airport serving Bulgaria’s capital city, Sofia, and one of the country’s busiest air transport hubs.
-
A.
Rota International Airport
Rota International Airport is a public airport serving the island of Rota in the Northern Mariana Islands, providing regional air connections within the western Pacific.
-
B.
Istanbul Airport
Istanbul Airport is a major international aviation hub in Turkey that serves as one of the world’s busiest airports and a primary base for Turkish Airlines.
-
C.
Nikola Tesla International Airport
Nikola Tesla International Airport is the main international airport serving Belgrade, Serbia, named in honor of the renowned inventor and electrical engineer Nikola Tesla.
-
D.
Sarajevo International Airport
Sarajevo International Airport is the main commercial airport serving Bosnia and Herzegovina’s capital, handling both domestic and international flights.
-
E.
Budapest Ferenc Liszt International Airport
Budapest Ferenc Liszt International Airport is Hungary’s largest and busiest international airport, serving as the primary air gateway to Budapest and a major hub in Central Europe.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
international airport
ⓘ
public airport ⓘ |
| alternativeName |
Letishte Sofia
ⓘ
linked to:
Sofia
|
| category | civil airport ⓘ |
| cityServed | Sofia ⓘ |
| country | Bulgaria ⓘ |
| distanceFromCityCentre | approximately 10 km east of central Sofia ⓘ |
| hasFacility |
VIP and government terminal
ⓘ
cargo terminal ⓘ passenger terminal ⓘ |
| hasGroundTransport |
bus services
ⓘ
metro connection ⓘ taxi services ⓘ |
| hasNavigationAid | ILS on main runway ⓘ |
| hasRunway | Runway 09/27 ⓘ |
| hasService |
cargo flights
ⓘ
charter flights ⓘ domestic flights ⓘ international flights ⓘ |
| hasTerminal |
Terminal 1
ⓘ
Terminal 2 ⓘ |
| hubFor |
Bulgaria Air
ⓘ
Ryanair ⓘ Wizz Air ⓘ |
| IATAcode | SOF ⓘ |
| ICAOcode | LBSF ⓘ |
| is | one of the busiest airports in Bulgaria ⓘ |
| isMemberOf | ACI Europe ⓘ |
| locatedIn |
Bulgaria
ⓘ
Sofia ⓘ Sofia City Province ⓘ |
| locatedNear | Vrazhdebna district ⓘ |
| nearbyCity | Sofia ⓘ |
| numberOfTerminals | 2 ⓘ |
| openedAsCivilAirport | 1930s ⓘ |
| operator |
Sofia Airport EAD
ⓘ
linked to:
Sofia Airport
|
| owner |
Bulgarian government
ⓘ
linked to:
Council of Ministers of Bulgaria
|
| runwayCount | 1 ⓘ |
| runwaySurface | asphalt ⓘ |
| servesAs |
main international airport of Bulgaria’s capital
ⓘ
major air transport hub in the Balkans ⓘ primary airport of Sofia ⓘ |
| servesCity | Sofia ⓘ |
| servesRegion |
Sofia metropolitan area
ⓘ
linked to:
Sofia City Province
western Bulgaria ⓘ |
| timezone |
Europe/Sofia
ⓘ
linked to:
Sofia
|
| timezoneDST | EEST ⓘ |
| timezoneStandard | EET ⓘ |
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: Sofia Airport Description of subject: Sofia Airport is the main international airport serving Bulgaria’s capital city, Sofia, and one of the country’s busiest air transport hubs.
Referenced by (25)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Sofia Airport
linked to: Sofia Airport
subject linked to:
Terminal 1
subject linked to:
Terminal 1
linked to: Sofia Airport
linked to: Sofia Airport
subject linked to:
Terminal 2
subject linked to:
Terminal 2
linked to: Sofia Airport
subject linked to:
Terminal 2