Leopoldau extension
E938853
The Leopoldau extension is a northern expansion of Vienna’s U1 underground line that extended service into the Leopoldau district.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Leopoldau extension canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11646997 — 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: Leopoldau extension Context triple: [U1 (Vienna U-Bahn), extension, Leopoldau extension]
-
A.
Leopold Quarter
Leopold Quarter is a prominent business and administrative district in Brussels, Belgium, known for hosting key European Union institutions and offices.
-
B.
Schubertring
Schubertring is a section of Vienna’s historic Ringstrasse boulevard, known for its elegant 19th-century architecture and proximity to major cultural landmarks.
-
C.
Leopoldplatz
Leopoldplatz is a major public square and important transport hub in Berlin’s Wedding district, served by multiple U-Bahn lines and numerous bus routes.
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D.
Aspernstraße U-Bahn station
Aspernstraße U-Bahn station is a Vienna U-Bahn station serving the Aspern district as a key public transport hub in the city’s eastern area.
-
E.
Leopoldshöhe
Leopoldshöhe is a municipality in the district of Lippe in North Rhine-Westphalia, Germany, known as a residential community near the city of Bielefeld.
- 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: Leopoldau extension Target entity description: The Leopoldau extension is a northern expansion of Vienna’s U1 underground line that extended service into the Leopoldau district.
-
A.
Leopold Quarter
Leopold Quarter is a prominent business and administrative district in Brussels, Belgium, known for hosting key European Union institutions and offices.
-
B.
Schubertring
Schubertring is a section of Vienna’s historic Ringstrasse boulevard, known for its elegant 19th-century architecture and proximity to major cultural landmarks.
-
C.
Leopoldplatz
Leopoldplatz is a major public square and important transport hub in Berlin’s Wedding district, served by multiple U-Bahn lines and numerous bus routes.
-
D.
Aspernstraße U-Bahn station
Aspernstraße U-Bahn station is a Vienna U-Bahn station serving the Aspern district as a key public transport hub in the city’s eastern area.
-
E.
Leopoldshöhe
Leopoldshöhe is a municipality in the district of Lippe in North Rhine-Westphalia, Germany, known as a residential community near the city of Bielefeld.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
metro line extension
ⓘ
public transport infrastructure project ⓘ |
| cityServed | Vienna ⓘ |
| constructionType | underground ⓘ |
| country | Austria ⓘ |
| direction | northern extension ⓘ |
| electrification | third rail ⓘ |
| extendedFrom |
Kagran station
ⓘ
linked to:
U1 Kagran station
|
| fareSystem | Verkehrsverbund Ost-Region ⓘ |
| hasNumberOfNewStations | 5 ⓘ |
| hasStation |
Aderklaaer Straße station
ⓘ
Großfeldsiedlung station ⓘ Kagraner Platz station ⓘ
linked to:
Kagraner Platz U-Bahn station
Leopoldau station ⓘ Rennbahnweg station ⓘ |
| lineColor | red ⓘ |
| lineNumber | U1 ⓘ |
| locatedIn |
Austria
ⓘ
Vienna ⓘ |
| network |
Vienna U-Bahn
ⓘ
linked to:
Vienna U-Bahn network
|
| openingDate | 2006-09-02 ⓘ |
| operator | Wiener Linien ⓘ |
| partOf |
Vienna U1 line
ⓘ
Vienna public transport network ⓘ |
| purpose |
extend U1 service into northern Vienna
ⓘ
improve access to Leopoldau district ⓘ |
| railGauge | standard gauge ⓘ |
| servesDistrict |
Donaustadt
ⓘ
Floridsdorf ⓘ Leopoldau district ⓘ |
| terminus | Leopoldau station ⓘ |
| transportMode | underground metro ⓘ |
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: Leopoldau extension Description of subject: The Leopoldau extension is a northern expansion of Vienna’s U1 underground line that extended service into the Leopoldau district.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
U1 metro line