Hamburger Hochbahn
E899252
Hamburger Hochbahn is a major public transport company in Hamburg, Germany, responsible for operating much of the city's U-Bahn (subway) and bus network.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Hamburger Hochbahn AG | 3 |
| Hamburger Hochbahn canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10950396 — 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: Hamburger Hochbahn Context triple: [St. Pauli U-Bahn station, operator, Hamburger Hochbahn]
-
A.
Hamburg U-Bahn
The Hamburg U-Bahn is the rapid transit metro system serving the city of Hamburg, Germany, and its surrounding areas.
-
B.
Frankfurt U-Bahn
The Frankfurt U-Bahn is the rapid transit system serving Frankfurt am Main, Germany, forming a core part of the city's public transportation network with multiple underground and surface lines.
-
C.
Hamburg S-Bahn
The Hamburg S-Bahn is a rapid transit and commuter rail network serving the city of Hamburg and its surrounding metropolitan region in northern Germany.
-
D.
Hanover Stadtbahn
The Hanover Stadtbahn is a light rail and tram system serving the city of Hanover, Germany, providing high-capacity urban and suburban public transport through a network of surface and underground lines.
-
E.
Nuremberg U-Bahn
The Nuremberg U-Bahn is the rapid transit system serving Nuremberg and its surrounding area in Germany, known for being one of the first networks to operate fully automated driverless trains.
- 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: Hamburger Hochbahn Target entity description: Hamburger Hochbahn is a major public transport company in Hamburg, Germany, responsible for operating much of the city's U-Bahn (subway) and bus network.
-
A.
Hamburg U-Bahn
The Hamburg U-Bahn is the rapid transit metro system serving the city of Hamburg, Germany, and its surrounding areas.
-
B.
Frankfurt U-Bahn
The Frankfurt U-Bahn is the rapid transit system serving Frankfurt am Main, Germany, forming a core part of the city's public transportation network with multiple underground and surface lines.
-
C.
Hamburg S-Bahn
The Hamburg S-Bahn is a rapid transit and commuter rail network serving the city of Hamburg and its surrounding metropolitan region in northern Germany.
-
D.
Hanover Stadtbahn
The Hanover Stadtbahn is a light rail and tram system serving the city of Hanover, Germany, providing high-capacity urban and suburban public transport through a network of surface and underground lines.
-
E.
Nuremberg U-Bahn
The Nuremberg U-Bahn is the rapid transit system serving Nuremberg and its surrounding area in Germany, known for being one of the first networks to operate fully automated driverless trains.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
operator of urban rail transit
ⓘ
public transport company ⓘ stock corporation ⓘ |
| basedIn | Germany NERFINISHED ⓘ |
| cityServed | Hamburg NERFINISHED ⓘ |
| country | Germany NERFINISHED ⓘ |
| employerIn | public transport sector in Hamburg ⓘ |
| fareIntegrationWith | Deutsche Bahn regional services in HVV area ⓘ |
| fareSystem | Hamburger Verkehrsverbund integrated tariff NERFINISHED ⓘ |
| focusesOn | local passenger transport ⓘ |
| hasAbbreviation | HHA NERFINISHED ⓘ |
| hasNetworkType |
surface bus network
ⓘ
underground railway ⓘ |
| hasRole | core operator within HVV ⓘ |
| hasServiceFrequencyCharacteristic | high-frequency urban services ⓘ |
| hasTransportMode |
bus
ⓘ
light rail (U-Bahn) ⓘ rapid transit ⓘ |
| headquartersLocation | Hamburg NERFINISHED ⓘ |
| industry | public transportation ⓘ |
| legalForm | Aktiengesellschaft NERFINISHED ⓘ |
| locatedInTimeZone |
Central European Summer Time
ⓘ
Central European Time ⓘ |
| memberOf | Hamburger Verkehrsverbund NERFINISHED ⓘ |
| operatesIn | Hamburg NERFINISHED ⓘ |
| operatorOf |
Hamburg U-Bahn
NERFINISHED
ⓘ
Hamburg bus network NERFINISHED ⓘ |
| primaryLanguage | German ⓘ |
| publicTransportType | urban transit operator ⓘ |
| railGauge | standard gauge ⓘ |
| regionServed | Metropolitan Region Hamburg NERFINISHED ⓘ |
| safetyStandard |
German BOStrab regulations for light rail and tramways
NERFINISHED
ⓘ
German EBO-related standards for rail interfaces ⓘ |
| service |
U-Bahn operation
ⓘ
bus operation ⓘ ferry feeder bus services ⓘ |
| serviceArea |
Hamburg U-Bahn network
NERFINISHED
ⓘ
Hamburg city bus network ⓘ |
| sharesOwnedBy | Free and Hanseatic City of Hamburg NERFINISHED ⓘ |
| shortName |
HHA
NERFINISHED
ⓘ
Hochbahn NERFINISHED ⓘ |
| ticketSalesChannel |
mobile app
ⓘ
online sales ⓘ service centers ⓘ ticket machines ⓘ |
| usesTicketingSystem | HVV tickets and passes ⓘ |
| website | https://www.hochbahn.de ⓘ |
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: Hamburger Hochbahn Description of subject: Hamburger Hochbahn is a major public transport company in Hamburg, Germany, responsible for operating much of the city's U-Bahn (subway) and bus network.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Hamburger Hochbahn AG
this entity surface form:
Hamburger Hochbahn AG
this entity surface form:
Hamburger Hochbahn AG