BKV
E349652
BKV is the main public transportation company of Budapest, Hungary, responsible for operating the city’s metro, trams, buses, and trolleybuses.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T3336604 — 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: BKV Context triple: [Budapest Metro, operator, BKV]
-
A.
BKL
BKL is an alternative name for the Big Circle Line, a major circular metro line in Moscow’s rapid transit system.
-
B.
BK
BK is a common abbreviation for Brooklyn, a borough of New York City known for its cultural diversity, arts scene, and historic neighborhoods.
-
C.
BKR
BKR is the postal code prefix used for addresses in the town of Birkirkara in Malta.
-
D.
BKR
BKR was the abbreviated name of the People's Security Agency, an early post-World War II Indonesian security and defense organization.
-
E.
Kok-boru
Kok-boru is a traditional Central Asian horseback team game, similar to polo, in which riders compete to carry and score with a goat or sheep carcass.
- 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: BKV Target entity description: BKV is the main public transportation company of Budapest, Hungary, responsible for operating the city’s metro, trams, buses, and trolleybuses.
-
A.
BKL
BKL is an alternative name for the Big Circle Line, a major circular metro line in Moscow’s rapid transit system.
-
B.
BK
BK is a common abbreviation for Brooklyn, a borough of New York City known for its cultural diversity, arts scene, and historic neighborhoods.
-
C.
BKR
BKR is the postal code prefix used for addresses in the town of Birkirkara in Malta.
-
D.
BKR
BKR was the abbreviated name of the People's Security Agency, an early post-World War II Indonesian security and defense organization.
-
E.
Kok-boru
Kok-boru is a traditional Central Asian horseback team game, similar to polo, in which riders compete to carry and score with a goat or sheep carcass.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
company
ⓘ
public transport company ⓘ |
| abbreviationOf | Budapesti Közlekedési Vállalat ⓘ |
| areaServed |
Buda side of Budapest
ⓘ
Pest side of Budapest ⓘ |
| country | Hungary ⓘ |
| foundedBy | Municipality of Budapest ⓘ |
| hasRole | public transport operator of Budapest ⓘ |
| hasService |
airport bus connections
ⓘ
night bus services ⓘ park-and-ride connections ⓘ pass validation ⓘ ticket sales ⓘ |
| hasWebsite | https://www.bkv.hu ⓘ |
| headquartersLocation | Budapest ⓘ |
| industry | public transportation ⓘ |
| languageOfWorkOrName | Hungarian ⓘ |
| legalForm | company limited by shares ⓘ |
| locatedInTimeZone |
Central European Summer Time
ⓘ
Central European Time ⓘ |
| locationCity | Budapest ⓘ |
| nativeLanguage | Hungarian ⓘ |
| nativeName | Budapesti Közlekedési Vállalat ⓘ |
| operatesIn |
Budapest
ⓘ
Budapest metropolitan area ⓘ |
| operatesTransportMode |
boat service
ⓘ
bus ⓘ metro ⓘ suburban railway (HÉV) ⓘ tram ⓘ trolleybus ⓘ |
| owner | Municipality of Budapest ⓘ |
| parentOrganization | Municipality of Budapest ⓘ |
| regionServed | Central Hungary ⓘ |
| responsibleFor |
maintenance of public transport vehicles in Budapest
ⓘ
operation of Budapest Metro lines ⓘ operation of Budapest bus lines ⓘ operation of Budapest tram lines ⓘ operation of Budapest trolleybus lines ⓘ operation of HÉV suburban railways ⓘ |
| serviceType | urban public transport ⓘ |
| usesInfrastructure |
Budapest suburban rail
ⓘ
surface form:
Budapest HÉV suburban railway
Budapest Metro ⓘ Budapest bus lines ⓘ
surface form:
Budapest bus network
Budapest tram network ⓘ Budapest trolleybus network ⓘ |
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: BKV Description of subject: BKV is the main public transportation company of Budapest, Hungary, responsible for operating the city’s metro, trams, buses, and trolleybuses.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
BKV Zrt.
this entity surface form:
BKV Zrt.
this entity surface form:
BKV Zrt.
this entity surface form:
BKV Zrt.
this entity surface form:
BKV Zrt.