Ulm–Sigmaringen railway
E164321
The Ulm–Sigmaringen railway is a regional rail line in the German state of Baden-Württemberg that connects the city of Ulm with Sigmaringen through the Swabian Jura.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Ulm–Sigmaringen railway canonical | 3 |
| railway line Ulm–Sigmaringen | 2 |
| Ulm–Sigmaringen railway line | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1426635 — 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: Ulm–Sigmaringen railway Context triple: [Herrlingen, railwayLine, Ulm–Sigmaringen railway]
-
A.
Nuremberg–Würzburg railway
The Nuremberg–Würzburg railway is a major German main line in Bavaria that connects the cities of Nuremberg and Würzburg and forms part of an important north–south and east–west rail corridor.
-
B.
Nuremberg–Bamberg railway
The Nuremberg–Bamberg railway is a major German main line in Bavaria that connects the cities of Nuremberg and Bamberg and forms part of important regional and long-distance rail routes.
-
C.
Bern–Lucerne railway line
The Bern–Lucerne railway line is a major Swiss rail route connecting the capital city of Bern with the central Swiss city of Lucerne, serving as an important corridor for both regional and intercity passenger traffic.
-
D.
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.
-
E.
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.
- 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: Ulm–Sigmaringen railway Target entity description: The Ulm–Sigmaringen railway is a regional rail line in the German state of Baden-Württemberg that connects the city of Ulm with Sigmaringen through the Swabian Jura.
-
A.
Nuremberg–Würzburg railway
The Nuremberg–Würzburg railway is a major German main line in Bavaria that connects the cities of Nuremberg and Würzburg and forms part of an important north–south and east–west rail corridor.
-
B.
Nuremberg–Bamberg railway
The Nuremberg–Bamberg railway is a major German main line in Bavaria that connects the cities of Nuremberg and Bamberg and forms part of important regional and long-distance rail routes.
-
C.
Bern–Lucerne railway line
The Bern–Lucerne railway line is a major Swiss rail route connecting the capital city of Bern with the central Swiss city of Lucerne, serving as an important corridor for both regional and intercity passenger traffic.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
railway line
ⓘ
regional rail line ⓘ |
| connects |
Sigmaringen
ⓘ
Ulm ⓘ Upper Swabia with the Swabian Jura ⓘ |
| country | Germany ⓘ |
| electrification | non-electrified ⓘ |
| hasEndpoint |
Sigmaringen
ⓘ
Ulm ⓘ |
| hasLocale |
Swabian Jura
ⓘ
Upper Swabia ⓘ |
| hasRailwayLineNumber | 4540 ⓘ |
| hasRouteNumber | 755 ⓘ |
| locatedIn |
Baden-Württemberg
ⓘ
southern Germany ⓘ Baden-Württemberg ⓘ
surface form:
state of Baden-Württemberg
|
| operator |
DB Netz AG
ⓘ
surface form:
DB Netz
|
| partOf | German rail network ⓘ |
| passesThrough | Swabian Jura ⓘ |
| regionServed |
Swabia (Bavaria)
ⓘ
surface form:
Swabia
|
| serviceOperator |
DB Regio
ⓘ
regional railway companies ⓘ |
| terminus |
Sigmaringen station
ⓘ
Ulm Hauptbahnhof ⓘ |
| trackGauge | standard gauge ⓘ |
| traverses |
Danube
ⓘ
surface form:
Danube valley
|
| usedFor |
freight transport
ⓘ
passenger transport ⓘ regional rail services ⓘ |
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: Ulm–Sigmaringen railway Description of subject: The Ulm–Sigmaringen railway is a regional rail line in the German state of Baden-Württemberg that connects the city of Ulm with Sigmaringen through the Swabian Jura.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Blaustein
this entity surface form:
railway line Ulm–Sigmaringen
this entity surface form:
railway line Ulm–Sigmaringen
this entity surface form:
Ulm–Sigmaringen railway line