RER line A (nearby at Conflans-Fin-d’Oise)
E798968
RER line A is one of the busiest commuter rail lines in the Paris regional express network, linking central Paris with numerous western and eastern suburbs, including the area around Conflans-Fin-d’Oise.
All labels observed (1)
| Label | Occurrences |
|---|---|
| RER line A (nearby at Conflans-Fin-d’Oise) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9441125 — 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: RER line A (nearby at Conflans-Fin-d’Oise) Context triple: [Conflans-Sainte-Honorine, servedBy, RER line A (nearby at Conflans-Fin-d’Oise)]
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A.
RER A at Châtelet–Les Halles
RER A at Châtelet–Les Halles is a major Paris regional express rail line serving one of the city’s largest and busiest underground transport hubs, providing high-capacity connections between central Paris and its suburbs.
-
B.
RER C and RER D lines junction
The RER C and RER D lines junction is a major interchange point in the southern Paris suburban rail network where two key RER lines intersect, facilitating transfers and regional connectivity.
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C.
RER A terminus
RER A terminus is the endpoint station of Paris’s RER A commuter rail line, where trains start or finish their routes.
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D.
RER A Nation station
RER A Nation station is a major Parisian commuter rail hub on the RER A line, located at Place de la Nation and providing extensive connections with the Paris Métro and regional rail network.
-
E.
RER line E
RER line E is a Paris regional express railway line connecting central Paris with eastern suburbs such as Gagny.
- 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: RER line A (nearby at Conflans-Fin-d’Oise) Target entity description: RER line A is one of the busiest commuter rail lines in the Paris regional express network, linking central Paris with numerous western and eastern suburbs, including the area around Conflans-Fin-d’Oise.
-
A.
RER A at Châtelet–Les Halles
RER A at Châtelet–Les Halles is a major Paris regional express rail line serving one of the city’s largest and busiest underground transport hubs, providing high-capacity connections between central Paris and its suburbs.
-
B.
RER C and RER D lines junction
The RER C and RER D lines junction is a major interchange point in the southern Paris suburban rail network where two key RER lines intersect, facilitating transfers and regional connectivity.
-
C.
RER A terminus
RER A terminus is the endpoint station of Paris’s RER A commuter rail line, where trains start or finish their routes.
-
D.
RER A Nation station
RER A Nation station is a major Parisian commuter rail hub on the RER A line, located at Place de la Nation and providing extensive connections with the Paris Métro and regional rail network.
-
E.
RER line E
RER line E is a Paris regional express railway line connecting central Paris with eastern suburbs such as Gagny.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
Réseau Express Régional line
ⓘ
commuter rail line ⓘ |
| connects |
Cergy-Pontoise area
NERFINISHED
ⓘ
La Défense NERFINISHED ⓘ Marne-la-Vallée NERFINISHED ⓘ central Paris ⓘ |
| country | France ⓘ |
| electrification | overhead line ⓘ |
| gauge | standard gauge ⓘ |
| hasBranch |
A1 branch to Saint-Germain-en-Laye
ⓘ
A2 branch to Boissy-Saint-Léger NERFINISHED ⓘ A3 branch to Cergy-le-Haut NERFINISHED ⓘ A4 branch to Marne-la-Vallée–Chessy NERFINISHED ⓘ A5 branch to Poissy NERFINISHED ⓘ |
| nearby | Conflans-Fin-d’Oise area NERFINISHED ⓘ |
| network | Île-de-France public transport network NERFINISHED ⓘ |
| notableFor | being one of the busiest rail lines in Europe ⓘ |
| operator |
RATP group
ⓘ
surface form:
RATP
SNCF NERFINISHED ⓘ |
| partOf | Réseau Express Régional d’Île-de-France NERFINISHED ⓘ |
| serves |
Paris
NERFINISHED
ⓘ
eastern suburbs of Paris ⓘ western suburbs of Paris ⓘ Île-de-France region NERFINISHED ⓘ |
| servesAreaNear | Conflans-Fin-d’Oise NERFINISHED ⓘ |
| status | in operation ⓘ |
| terminus |
Boissy-Saint-Léger station
NERFINISHED
ⓘ
Cergy-le-Haut station NERFINISHED ⓘ Marne-la-Vallée–Chessy station NERFINISHED ⓘ Poissy station NERFINISHED ⓘ Saint-Germain-en-Laye station NERFINISHED ⓘ |
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: RER line A (nearby at Conflans-Fin-d’Oise) Description of subject: RER line A is one of the busiest commuter rail lines in the Paris regional express network, linking central Paris with numerous western and eastern suburbs, including the area around Conflans-Fin-d’Oise.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.