Nord-Süd-Bahn
E71198
Nord-Süd-Bahn was the original name of Berlin’s present-day U6 U-Bahn line, a major north–south underground route through the city.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Nord-Süd-Bahn canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T568684 — 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: Nord-Süd-Bahn Context triple: [Berlin U-Bahn line U6, formerName, Nord-Süd-Bahn]
-
A.
Rhine Railway
The Rhine Railway is a major railway line in Western Europe that connects key cities along the Rhine corridor, facilitating both international passenger and freight transport.
-
B.
Vennbahn railway
The Vennbahn railway is a historic cross-border railway line in the Ardennes region whose unique post-World War I alignment created several German exclaves within Belgium.
-
C.
Basel–Mulhouse railway
The Basel–Mulhouse railway is an international rail line linking the Swiss city of Basel with the French city of Mulhouse, serving as a key cross-border transport corridor between Switzerland and France.
-
D.
Paris–Lausanne railway
The Paris–Lausanne railway is an international rail line connecting the French capital Paris with the Swiss city of Lausanne, serving as a major passenger and freight corridor between France and Switzerland.
-
E.
Chemnitz–Annaberg-Buchholz railway
The Chemnitz–Annaberg-Buchholz railway is a regional rail line in the German state of Saxony that connects the city of Chemnitz with the Erzgebirge (Ore Mountains) town of Annaberg-Buchholz.
- 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: Nord-Süd-Bahn Target entity description: Nord-Süd-Bahn was the original name of Berlin’s present-day U6 U-Bahn line, a major north–south underground route through the city.
-
A.
Rhine Railway
The Rhine Railway is a major railway line in Western Europe that connects key cities along the Rhine corridor, facilitating both international passenger and freight transport.
-
B.
Vennbahn railway
The Vennbahn railway is a historic cross-border railway line in the Ardennes region whose unique post-World War I alignment created several German exclaves within Belgium.
-
C.
Basel–Mulhouse railway
The Basel–Mulhouse railway is an international rail line linking the Swiss city of Basel with the French city of Mulhouse, serving as a key cross-border transport corridor between Switzerland and France.
-
D.
Paris–Lausanne railway
The Paris–Lausanne railway is an international rail line connecting the French capital Paris with the Swiss city of Lausanne, serving as a major passenger and freight corridor between France and Switzerland.
-
E.
Chemnitz–Annaberg-Buchholz railway
The Chemnitz–Annaberg-Buchholz railway is a regional rail line in the German state of Saxony that connects the city of Chemnitz with the Erzgebirge (Ore Mountains) town of Annaberg-Buchholz.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
Berlin U-Bahn line
ⓘ
rapid transit line ⓘ |
| connectsArea |
northern Berlin
ⓘ
southern Berlin ⓘ |
| country | Germany ⓘ |
| electrification | third rail ⓘ |
| hasCurrentName |
U6 (Berlin U-Bahn)
ⓘ
linked to:
Berlin U-Bahn line U6
|
| hasDirection | north–south ⓘ |
| hasLanguage | German ⓘ |
| hasRouteRole | major north–south axis in Berlin U-Bahn network ⓘ |
| hasSuccessor |
U6 (Berlin U-Bahn)
ⓘ
linked to:
Berlin U-Bahn line U6
|
| isPartOfInfrastructure | public transport infrastructure of Berlin ⓘ |
| lineNumber | U6 ⓘ |
| locatedIn | Berlin ⓘ |
| nameMeaning | North–South Railway ⓘ |
| network |
Berlin U-Bahn network
ⓘ
linked to:
Berlin U-Bahn
|
| operatedBy | Berliner Verkehrsbetriebe ⓘ |
| originalNameOf |
U6 (Berlin U-Bahn)
ⓘ
linked to:
Berlin U-Bahn line U6
|
| partOf | Berlin U-Bahn ⓘ |
| publicTransportSystem | urban rail transit ⓘ |
| railGauge | standard gauge ⓘ |
| routeOrientation | north–south ⓘ |
| servesCity | Berlin ⓘ |
| shortName | Nord-Süd-Bahn ⓘ |
| transportType | underground railway ⓘ |
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: Nord-Süd-Bahn Description of subject: Nord-Süd-Bahn was the original name of Berlin’s present-day U6 U-Bahn line, a major north–south underground route through the city.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.