A3 branch of RER A
E1257034
UNEXPLORED
The A3 branch of RER A is a suburban rail line in the Paris regional express network that runs westward to serve the Cergy area, ending at Cergy-le-Haut.
All labels observed (3)
| Label | Occurrences |
|---|---|
| A3 branch of RER A canonical | 1 |
| A3 branch to Cergy-le-Haut | 1 |
| RER A Line A3 branch | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T17211582 — 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: A3 branch of RER A Context triple: [Cergy-le-Haut, terminusOf, A3 branch of RER A]
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A.
Auber (RER)
Auber (RER) is a major underground RER station in central Paris, serving line A and forming part of one of the largest interconnected transport complexes in the city.
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B.
RER Line C
RER Line C is a major commuter rail line in the Paris RER network, running along the Seine and serving numerous suburbs and key destinations in the Île-de-France region.
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C.
RER line E
RER line E is a Paris regional express railway line connecting central Paris with eastern suburbs such as Gagny.
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D.
RER B line
The RER B line is a major Paris regional express railway line that connects central Paris with key northern and southern suburbs, including Charles de Gaulle Airport.
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E.
Line A (Nord-Sud)
Line A (Nord-Sud) was a former privately operated Paris Métro line of the Nord-Sud Company that later became part of the modern network under a different line designation.
- 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: A3 branch of RER A Target entity description: The A3 branch of RER A is a suburban rail line in the Paris regional express network that runs westward to serve the Cergy area, ending at Cergy-le-Haut.
-
A.
Auber (RER)
Auber (RER) is a major underground RER station in central Paris, serving line A and forming part of one of the largest interconnected transport complexes in the city.
-
B.
RER Line C
RER Line C is a major commuter rail line in the Paris RER network, running along the Seine and serving numerous suburbs and key destinations in the Île-de-France region.
-
C.
RER line E
RER line E is a Paris regional express railway line connecting central Paris with eastern suburbs such as Gagny.
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D.
RER B line
The RER B line is a major Paris regional express railway line that connects central Paris with key northern and southern suburbs, including Charles de Gaulle Airport.
-
E.
Line A (Nord-Sud)
Line A (Nord-Sud) was a former privately operated Paris Métro line of the Nord-Sud Company that later became part of the modern network under a different line designation.
- F. None of above. chosen
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: A3 branch of RER A
subject linked to:
RER line A (nearby at Conflans-Fin-d’Oise)
linked to: A3 branch of RER A