U4 line
E1526650
UNEXPLORED
The U4 line is one of Vienna's main underground metro lines, running along the Wien River and connecting several key districts and transport hubs across the city.
All labels observed (2)
| Label | Occurrences |
|---|---|
| U4 line canonical | 3 |
| U4 underground line | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T22183384 — 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: U4 line Context triple: [Wien Mitte – Landstraße station, connectsWith, U4 line]
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A.
U4 line
The U4 line is one of Berlin's U-Bahn subway lines, running a short route in the inner city and connecting key stations including Nollendorfplatz.
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B.
U5 line
The U5 line is a major Berlin U-Bahn route running east–west that connects central hubs like Alexanderplatz with eastern districts of the city.
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C.
U1 line
The U1 line is a route of the Frankfurt U-Bahn rapid transit system that connects central Frankfurt with several northern suburbs.
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D.
U1 line
The U1 line is one of Berlin’s U-Bahn metro lines, running primarily east–west and serving central districts including Friedrichshain-Kreuzberg.
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E.
U6 line
The U6 line is a route of the Frankfurt U-Bahn rapid transit system that connects various districts across the city, including central hubs such as Hauptwache.
- 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: U4 line Target entity description: The U4 line is one of Vienna's main underground metro lines, running along the Wien River and connecting several key districts and transport hubs across the city.
-
A.
U4 line
The U4 line is one of Berlin's U-Bahn subway lines, running a short route in the inner city and connecting key stations including Nollendorfplatz.
-
B.
U5 line
The U5 line is a major Berlin U-Bahn route running east–west that connects central hubs like Alexanderplatz with eastern districts of the city.
-
C.
U1 line
The U1 line is a route of the Frankfurt U-Bahn rapid transit system that connects central Frankfurt with several northern suburbs.
-
D.
U1 line
The U1 line is one of Berlin’s U-Bahn metro lines, running primarily east–west and serving central districts including Friedrichshain-Kreuzberg.
-
E.
U6 line
The U6 line is a route of the Frankfurt U-Bahn rapid transit system that connects various districts across the city, including central hubs such as Hauptwache.
- F. None of above. chosen
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.