U2 metro line
E279068
The U2 metro line is one of Vienna’s rapid transit lines, running from the city’s outskirts through central districts and serving major venues and recreational areas.
All labels observed (1)
| Label | Occurrences |
|---|---|
| U2 metro line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2538667 — 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: U2 metro line Context triple: [Prater, hasTransportConnection, U2 metro line]
-
A.
U1 metro line
The U1 metro line is one of Vienna’s main underground lines, running north–south through the city and connecting key districts and transport hubs.
-
B.
Metro A Line
The Metro A Line is a light rail line in Los Angeles County that runs between downtown Los Angeles and Long Beach as part of the region’s Metro Rail system.
-
C.
Metro Line 53
Metro Line 53 is a rapid transit line in Amsterdam that connects the city center with the southeastern suburbs as part of the Amsterdam Metro system.
-
D.
METRO Blue Line
The METRO Blue Line is a major light rail transit route in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with the Mall of America and Minneapolis–Saint Paul International Airport.
-
E.
Red Line
The Red Line is a primary route of the MetroLink light rail system serving key destinations in the St. Louis metropolitan area.
- 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: U2 metro line Target entity description: The U2 metro line is one of Vienna’s rapid transit lines, running from the city’s outskirts through central districts and serving major venues and recreational areas.
-
A.
U1 metro line
The U1 metro line is one of Vienna’s main underground lines, running north–south through the city and connecting key districts and transport hubs.
-
B.
Metro A Line
The Metro A Line is a light rail line in Los Angeles County that runs between downtown Los Angeles and Long Beach as part of the region’s Metro Rail system.
-
C.
Metro Line 53
Metro Line 53 is a rapid transit line in Amsterdam that connects the city center with the southeastern suburbs as part of the Amsterdam Metro system.
-
D.
METRO Blue Line
The METRO Blue Line is a major light rail transit route in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis with the Mall of America and Minneapolis–Saint Paul International Airport.
-
E.
Red Line
The Red Line is a primary route of the MetroLink light rail system serving key destinations in the St. Louis metropolitan area.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Vienna U-Bahn line
ⓘ
metro line ⓘ rapid transit line ⓘ |
| connectsWith |
Vienna U1 line
ⓘ
surface form:
U1 (Vienna U-Bahn)
Vienna U-Bahn line U3 ⓘ
surface form:
U3 (Vienna U-Bahn)
Vienna U-Bahn line U4 ⓘ
surface form:
U4 (Vienna U-Bahn)
U6 (Vienna U-Bahn) ⓘ |
| electrification | third rail ⓘ |
| fareSystem | Verkehrsverbund Ost-Region ⓘ |
| fareZone | core zone Vienna ⓘ |
| hasAccessibility | barrier-free access at most stations ⓘ |
| hasColor | purple ⓘ |
| hasFeature |
access to major sports venues
ⓘ
access to recreational parks ⓘ frequent service ⓘ high-capacity trains ⓘ |
| hasFunction |
connects outer districts with city center
ⓘ
serves major event locations in Vienna ⓘ |
| hasLanguageOfSignage | German ⓘ |
| hasMapSymbol | U2 in violet on Vienna U-Bahn map ⓘ |
| hasRouteType |
at-grade
ⓘ
elevated ⓘ underground ⓘ |
| hasService | passenger transport ⓘ |
| hasSupplementaryLanguageOfSignage | English ⓘ |
| hasTicketIntegration | Vienna public transport tickets ⓘ |
| hasTransportMode | rail ⓘ |
| isPartOf |
Vienna U-Bahn network
ⓘ
surface form:
Vienna urban rail network
|
| isSubjectOf |
Vienna public transport information
ⓘ
tourist guides to Vienna ⓘ |
| lineColor | violet ⓘ |
| locatedIn |
Austria
ⓘ
Vienna ⓘ |
| operator | Wiener Linien ⓘ |
| ownedBy |
Vienna
ⓘ
surface form:
City of Vienna
|
| partOf | public transport network of Vienna ⓘ |
| safetySystem | automatic train protection ⓘ |
| serves |
Donaustadt
ⓘ
Leopoldstadt ⓘ Ottakring ⓘ Innere Stadt, Vienna ⓘ
surface form:
Vienna city center
central Vienna ⓘ major event venues in Vienna ⓘ recreational areas in Vienna ⓘ |
| system |
Vienna U-Bahn network
ⓘ
surface form:
Vienna U-Bahn
|
| usesRollingStock |
Type T (Vienna U-Bahn rolling stock)
ⓘ
Type V (Vienna U-Bahn rolling stock) ⓘ |
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: U2 metro line Description of subject: The U2 metro line is one of Vienna’s rapid transit lines, running from the city’s outskirts through central districts and serving major venues and recreational areas.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.