Vienna U-Bahn network
E939191
The Vienna U-Bahn network is the rapid transit system serving Austria’s capital, consisting of multiple underground lines that form the backbone of public transportation in Vienna.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Vienna U-Bahn | 49 |
| Vienna U-Bahn network canonical | 12 |
| U-Bahn Wien | 1 |
| Vienna U-Bahn (nearby stations) | 1 |
| Vienna U‑Bahn | 1 |
| Vienna urban rail network | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11646929 — 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: Vienna U-Bahn network Context triple: [Praterstern railway station, partOf, Vienna U-Bahn network]
-
A.
Vienna tramway network
The Vienna tramway network is an extensive and historic urban light rail system in Austria’s capital, forming a core part of the city’s public transportation.
-
B.
Vienna S-Bahn
The Vienna S-Bahn is a suburban rail network serving Vienna and its surrounding regions, providing frequent commuter connections that integrate with the city’s public transport system.
-
C.
Vienna U1 line
The Vienna U1 line is one of the main lines of the Vienna U-Bahn rapid transit system, running in a north–south direction and connecting several key districts and transport hubs across the city.
-
D.
Vienna U2 line
The Vienna U2 line is one of the city’s main underground metro lines, running across central districts including Leopoldstadt and connecting key cultural, residential, and event areas.
-
E.
Vienna Wiener Linien
Vienna Wiener Linien is the municipal public transport operator in Vienna, Austria, responsible for the city’s extensive tram, bus, and metro networks.
- 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: Vienna U-Bahn network Target entity description: The Vienna U-Bahn network is the rapid transit system serving Austria’s capital, consisting of multiple underground lines that form the backbone of public transportation in Vienna.
-
A.
Vienna tramway network
The Vienna tramway network is an extensive and historic urban light rail system in Austria’s capital, forming a core part of the city’s public transportation.
-
B.
Vienna S-Bahn
The Vienna S-Bahn is a suburban rail network serving Vienna and its surrounding regions, providing frequent commuter connections that integrate with the city’s public transport system.
-
C.
Vienna U1 line
The Vienna U1 line is one of the main lines of the Vienna U-Bahn rapid transit system, running in a north–south direction and connecting several key districts and transport hubs across the city.
-
D.
Vienna U2 line
The Vienna U2 line is one of the city’s main underground metro lines, running across central districts including Leopoldstadt and connecting key cultural, residential, and event areas.
-
E.
Vienna Wiener Linien
Vienna Wiener Linien is the municipal public transport operator in Vienna, Austria, responsible for the city’s extensive tram, bus, and metro networks.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
metro system
ⓘ
rapid transit system ⓘ |
| character |
mostly underground
ⓘ
partly at-grade ⓘ partly elevated ⓘ |
| connectsTo |
Floridsdorf
ⓘ
Hütteldorf ⓘ Karlsplatz ⓘ Landstraße Wien Mitte ⓘ
linked to:
Landstraße, Vienna
Praterstern ⓘ
linked to:
Wien Praterstern
Schwedenplatz ⓘ
linked to:
Schwedenplatz square
Seestadt Aspern ⓘ Stephansplatz ⓘ Vienna Central Station ⓘ
linked to:
Wien Hauptbahnhof
Vienna International Centre ⓘ Westbahnhof ⓘ |
| country | Austria ⓘ |
| electrificationSystem | 750 V DC third rail ⓘ |
| fareIntegrationWith |
Vienna S-Bahn
ⓘ
Vienna bus network ⓘ Vienna tram network ⓘ
linked to:
Vienna tramway network
|
| fareSystem | Verkehrsverbund Ost-Region ⓘ |
| hasAccessibilityFeature |
elevators at many stations
ⓘ
escalators at many stations ⓘ |
| hasInterchangeWith |
Vienna S-Bahn network
ⓘ
linked to:
Vienna S-Bahn
Vienna tram network ⓘ
linked to:
Vienna tramway network
regional bus services ⓘ |
| hasLine |
U1
ⓘ
U2 ⓘ U3 ⓘ U4 ⓘ U6 ⓘ |
| hasRollingStock |
Type U
ⓘ
Type U1 ⓘ Type U2 ⓘ Type V ⓘ Type X ⓘ |
| languageOfSignage | German ⓘ |
| locatedIn |
Vienna
ⓘ
Vienna metropolitan area ⓘ
linked to:
Vienna metropolitan region
|
| numberOfLines | 5 ⓘ |
| operator | Wiener Linien ⓘ |
| owner |
City of Vienna
ⓘ
linked to:
Vienna
|
| partOf | Vienna public transport network ⓘ |
| primaryFunction | urban public transport backbone ⓘ |
| safetySystem | automatic train protection ⓘ |
| serves | Vienna ⓘ |
| ticketingSystem |
paper tickets
ⓘ
smartcard-compatible ⓘ |
| trackGauge | standard gauge ⓘ |
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: Vienna U-Bahn network Description of subject: The Vienna U-Bahn network is the rapid transit system serving Austria’s capital, consisting of multiple underground lines that form the backbone of public transportation in Vienna.
Referenced by (65)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
U1 metro line
linked to: Vienna U-Bahn network
subject linked to:
U2 metro line
linked to: Vienna U-Bahn network
subject linked to:
U2 metro line
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
subject linked to:
Vienna U-Bahn station Herrengasse
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
subject linked to:
Messe-Prater U-Bahn station
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
subject linked to:
Himmelpfortgrund, Vienna
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
subject linked to:
Stadion U-Bahn station
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
subject linked to:
Südtiroler Platz–Hauptbahnhof station
linked to: Vienna U-Bahn network
subject linked to:
S2 line
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network
linked to: Vienna U-Bahn network