U2
E928087
U2 is one of the main lines of the Munich U-Bahn rapid transit system, connecting key districts across the city.
All labels observed (1)
| Label | Occurrences |
|---|---|
| U2 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11467218 — 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 Context triple: [Munich U-Bahn, hasLine, U2]
-
A.
U2
U2 is an Irish rock band formed in Dublin in 1976, renowned for its anthemic sound, socially conscious lyrics, and global influence on popular music.
-
B.
U2
U2 is one of the main rapid transit lines of the Nuremberg U-Bahn system in Nuremberg, Germany.
-
C.
U2
U2 is the IATA airline code for easyJet, a major low-cost airline based in the United Kingdom.
-
D.
U2
U2 is a major line of the Berlin U-Bahn rapid transit system, running east–west across the city and serving many central and historically significant stations.
-
E.
The Cranberries
The Cranberries were an Irish alternative rock band formed in Limerick, best known for Dolores O’Riordan’s distinctive vocals and international hits like “Linger” and “Zombie.”
- 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 Target entity description: U2 is one of the main lines of the Munich U-Bahn rapid transit system, connecting key districts across the city.
-
A.
U2
U2 is an Irish rock band formed in Dublin in 1976, renowned for its anthemic sound, socially conscious lyrics, and global influence on popular music.
-
B.
U2
U2 is one of the main rapid transit lines of the Nuremberg U-Bahn system in Nuremberg, Germany.
-
C.
U2
U2 is the IATA airline code for easyJet, a major low-cost airline based in the United Kingdom.
-
D.
U2
U2 is a major line of the Berlin U-Bahn rapid transit system, running east–west across the city and serving many central and historically significant stations.
-
E.
The Cranberries
The Cranberries were an Irish alternative rock band formed in Limerick, best known for Dolores O’Riordan’s distinctive vocals and international hits like “Linger” and “Zombie.”
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
Munich U-Bahn line
ⓘ
rapid transit line ⓘ |
| cityServed | Munich NERFINISHED ⓘ |
| colorOnMap | red ⓘ |
| connects |
central Munich districts
ⓘ
commercial districts of Munich ⓘ residential districts of Munich ⓘ |
| connectsTo |
Munich S-Bahn network
NERFINISHED
ⓘ
Munich bus network NERFINISHED ⓘ Munich tram network NERFINISHED ⓘ other Munich U-Bahn lines ⓘ |
| country | Germany NERFINISHED ⓘ |
| fareSystem |
MVV
NERFINISHED
ⓘ
München Verkehrs- und Tarifverbund NERFINISHED ⓘ |
| hasAbbreviation | U2 NERFINISHED ⓘ |
| hasRollingStock | Munich U-Bahn trains ⓘ |
| isMajorLineOf | Munich U-Bahn network NERFINISHED ⓘ |
| isNumberedLine | U2 NERFINISHED ⓘ |
| locatedIn |
Bavaria
ⓘ
Germany ⓘ Munich ⓘ |
| operatedBy |
MVG
NERFINISHED
ⓘ
Münchner Verkehrsgesellschaft NERFINISHED ⓘ |
| ownedBy | Stadtwerke München NERFINISHED ⓘ |
| partOf | Munich U-Bahn NERFINISHED ⓘ |
| publicTransportNetwork | Munich public transport ⓘ |
| serviceType |
rapid transit
ⓘ
urban rail ⓘ |
| system | Munich U-Bahn NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| transportMode | rail ⓘ |
| usesElectrification | third rail ⓘ |
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 Description of subject: U2 is one of the main lines of the Munich U-Bahn rapid transit system, connecting key districts across the city.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.