Transilien Line J
E239987
Transilien Line J is a suburban rail line in the Île-de-France region serving northwestern Paris and its suburbs as part of the Transilien commuter network operated by SNCF.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Transilien Line J canonical | 21 |
| Transilien line J | 20 |
| Transilien J | 2 |
| Transilien J Paris Saint-Lazare – Argenteuil | 1 |
| Transilien line J (nearby stations) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2123121 — 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: Transilien Line J Context triple: [RER A, connectsWith, Transilien Line J]
-
A.
Transilien Line L
Transilien Line L is a suburban rail line in the Île-de-France network serving western Paris and its suburbs, notably running from Paris Saint-Lazare toward destinations such as Cergy-le-Haut and Versailles Rive Droite.
-
B.
Transilien Paris–Nord line H
Transilien Paris–Nord line H is a suburban commuter rail service in the Île-de-France region that connects northern Paris with surrounding towns in the Val-d'Oise and Oise departments.
-
C.
Transilien
Transilien is the suburban and regional rail network operated by SNCF that serves the Île-de-France (Greater Paris) area.
-
D.
RER line E
RER line E is a Paris regional express railway line connecting central Paris with eastern suburbs such as Gagny.
-
E.
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.
- 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: Transilien Line J Target entity description: Transilien Line J is a suburban rail line in the Île-de-France region serving northwestern Paris and its suburbs as part of the Transilien commuter network operated by SNCF.
-
A.
Transilien Line L
Transilien Line L is a suburban rail line in the Île-de-France network serving western Paris and its suburbs, notably running from Paris Saint-Lazare toward destinations such as Cergy-le-Haut and Versailles Rive Droite.
-
B.
Transilien Paris–Nord line H
Transilien Paris–Nord line H is a suburban commuter rail service in the Île-de-France region that connects northern Paris with surrounding towns in the Val-d'Oise and Oise departments.
-
C.
Transilien
Transilien is the suburban and regional rail network operated by SNCF that serves the Île-de-France (Greater Paris) area.
-
D.
RER line E
RER line E is a Paris regional express railway line connecting central Paris with eastern suburbs such as Gagny.
-
E.
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.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Transilien line
ⓘ
suburban rail line ⓘ |
| connectsWith |
RER A at Cergy-le-Haut via Pontoise/Cergy branches (indirect network connection)
ⓘ
RER C at Pontoise ⓘ Transilien Line A at Nanterre-Préfecture (via interchange) ⓘ Transilien Line H at Ermont–Eaubonne ⓘ
linked to:
Transilien Line H
Transilien Line L at Paris Saint-Lazare ⓘ
linked to:
Transilien Line L
|
| country | France ⓘ |
| depot |
Levallois depot
ⓘ
Mantes-la-Jolie depot ⓘ
linked to:
Mantes-la-Jolie
|
| electrification | 25 kV AC overhead line (on most sections) ⓘ |
| fareSystem | Île-de-France Mobilités ⓘ |
| managedBy |
Île-de-France Mobilités (transport authority)
ⓘ
linked to:
Île-de-France Mobilités
|
| network |
SNCF Transilien
ⓘ
linked to:
Transilien
|
| networkSection |
Paris Saint-Lazare – Ermont–Eaubonne
ⓘ
linked to:
Paris Saint-Lazare – Cergy-le-Haut
Paris Saint-Lazare – Gisors ⓘ
linked to:
Paris Saint-Lazare – Cergy-le-Haut
Paris Saint-Lazare – Mantes-la-Jolie via Conflans-Sainte-Honorine ⓘ
linked to:
Paris–Mantes-la-Jolie via Poissy railway
Paris Saint-Lazare – Mantes-la-Jolie via Poissy ⓘ
linked to:
Paris–Mantes-la-Jolie via Poissy railway
|
| openingPeriod | phased opening during the 19th century (as part of Saint-Lazare radial lines) ⓘ |
| operator | SNCF ⓘ |
| ownerOfInfrastructure | SNCF Réseau ⓘ |
| partOf |
Transilien network
ⓘ
linked to:
Transilien
|
| primaryTerminus |
Paris Saint-Lazare
ⓘ
linked to:
Paris-Saint-Lazare station
|
| region |
Île-de-France
ⓘ
linked to:
Île-de-France region
|
| rollingStock |
BB 27300 locomotive-hauled trains (historically)
ⓘ
Z 50000 Francilien EMU ⓘ
linked to:
SNCF Class Z 55500
Z 6400 EMU (historically) ⓘ |
| secondaryTerminus |
Boissy-l’Aillerie
ⓘ
Ermont–Eaubonne NERFINISHED ⓘ Gisors ⓘ Mantes-la-Jolie ⓘ Pontoise ⓘ Vernon (for some services historically or partially) ⓘ
linked to:
Vernon
|
| serves |
Paris suburbs
ⓘ
northwestern Paris ⓘ Île-de-France region ⓘ |
| servicePattern | all-stations and semi-fast services ⓘ |
| serviceType |
commuter rail
ⓘ
suburban rail ⓘ |
| symbol | letter J in Transilien network maps ⓘ |
| terminus |
Paris Saint-Lazare station
ⓘ
linked to:
Paris-Saint-Lazare station
|
| ticketingSystem | Navigo ⓘ |
| usesLine |
Achères–Pontoise railway
ⓘ
Ermont–Eaubonne–Valmondois railway ⓘ Paris–Gisors railway ⓘ Paris–Mantes-la-Jolie via Conflans-Sainte-Honorine railway ⓘ
linked to:
Paris–Mantes-la-Jolie via Poissy railway
Paris–Mantes-la-Jolie via Poissy railway ⓘ Paris–Pontoise railway ⓘ Saint-Lazare–Le Havre railway ⓘ
linked to:
Paris–Le Havre railway
|
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: Transilien Line J Description of subject: Transilien Line J is a suburban rail line in the Île-de-France region serving northwestern Paris and its suburbs as part of the Transilien commuter network operated by SNCF.
Referenced by (45)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Argenteuil, France
linked to: Transilien Line J
linked to: Transilien Line J
linked to: Transilien Line J
linked to: Transilien Line J
linked to: Transilien Line J
subject linked to:
Houilles
linked to: Transilien Line J
linked to: Transilien Line J
linked to: Transilien Line J
linked to: Transilien Line J
linked to: Transilien Line J
linked to: Transilien Line J
linked to: Transilien Line J
subject linked to:
commune of La Frette-sur-Seine
linked to: Transilien Line J
linked to: Transilien Line J
linked to: Transilien Line J
linked to: Transilien Line J
linked to: Transilien Line J
subject linked to:
L
subject linked to:
Boissy-l’Aillerie
linked to: Transilien Line J
subject linked to:
Z 6400 EMU (historically)
subject linked to:
Houilles–Carrières-sur-Seine station (nearby)
linked to: Transilien Line J
linked to: Transilien Line J
linked to: Transilien Line J
linked to: Transilien Line J