RER line D
E525567
RER line D is one of the main lines of the Paris RER suburban rail network, running north–south through central Paris and serving numerous suburbs across the Île-de-France region.
All labels observed (5)
| Label | Occurrences |
|---|---|
| RER line D canonical | 11 |
| RER D line | 3 |
| Paris RER line D | 2 |
| Paris–Malesherbes RER D branch | 1 |
| RER D branch to Melun | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5158101 — 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 D Context triple: [Juvisy-sur-Orge, railwayStationServedBy, RER line D]
-
A.
RER line E
RER line E is a Paris regional express railway line connecting central Paris with eastern suburbs such as Gagny.
-
B.
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.
-
C.
RER Vaud
RER Vaud is a regional express rail network in the canton of Vaud, Switzerland, providing frequent commuter and regional train services connecting local towns and cities.
-
D.
RER A
RER A is one of the main lines of the Paris regional express network, carrying large volumes of commuters and travelers between central Paris and its suburbs.
-
E.
Transilien line D
Transilien line D is a major commuter rail line in the Paris regional network, connecting northern and southern suburbs through central Paris as part of the Île-de-France public transport system.
- 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 D Target entity description: RER line D is one of the main lines of the Paris RER suburban rail network, running north–south through central Paris and serving numerous suburbs across the Île-de-France region.
-
A.
RER line E
RER line E is a Paris regional express railway line connecting central Paris with eastern suburbs such as Gagny.
-
B.
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.
-
C.
RER Vaud
RER Vaud is a regional express rail network in the canton of Vaud, Switzerland, providing frequent commuter and regional train services connecting local towns and cities.
-
D.
RER A
RER A is one of the main lines of the Paris regional express network, carrying large volumes of commuters and travelers between central Paris and its suburbs.
-
E.
Transilien line D
Transilien line D is a major commuter rail line in the Paris regional network, connecting northern and southern suburbs through central Paris as part of the Île-de-France public transport system.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | commuter rail line ⓘ |
| connects |
northern suburbs of Paris
ⓘ
southern suburbs of Paris ⓘ |
| electrification |
1.5 kV DC overhead line
ⓘ
25 kV AC overhead line ⓘ |
| fareSystem | Île-de-France zones 1–5 ⓘ |
| hasServicePattern |
multiple northern branches
ⓘ
multiple southern branches ⓘ |
| hasStation |
Châtelet–Les Halles
NERFINISHED
ⓘ
Corbeil-Essonnes NERFINISHED ⓘ Gare de Lyon NERFINISHED ⓘ Gare de Lyon (RER) NERFINISHED ⓘ Gare du Nord NERFINISHED ⓘ Juvisy NERFINISHED ⓘ Malesherbes NERFINISHED ⓘ Melun NERFINISHED ⓘ Saint-Denis NERFINISHED ⓘ Villeneuve-Saint-Georges NERFINISHED ⓘ |
| hasTerminus |
Corbeil-Essonnes
NERFINISHED
ⓘ
Creil NERFINISHED ⓘ Goussainville NERFINISHED ⓘ Malesherbes NERFINISHED ⓘ Melun NERFINISHED ⓘ Orry-la-Ville–Coye NERFINISHED ⓘ Villiers-le-Bel–Gonesse–Arnouville NERFINISHED ⓘ |
| lineColor | green ⓘ |
| lineLetter | D ⓘ |
| locatedIn |
France
ⓘ
Île-de-France region ⓘ
surface form:
Île-de-France
|
| managedBy | Transilien (SNCF) NERFINISHED ⓘ |
| networkMapLabel | D ⓘ |
| opened | 1995 ⓘ |
| operatedBy | SNCF NERFINISHED ⓘ |
| operatedWithRollingStock |
Z 20500
NERFINISHED
ⓘ
Z 5600 NERFINISHED ⓘ Z 57000 (RER NG) NERFINISHED ⓘ |
| orientation | north–south ⓘ |
| owner | SNCF Réseau NERFINISHED ⓘ |
| partOf |
Paris RER network
NERFINISHED
ⓘ
Île-de-France public transport network NERFINISHED ⓘ |
| passesThrough | central Paris ⓘ |
| serves | Paris NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| usesInfrastructureOf |
Grigny–Corbeil-Essonnes railway
NERFINISHED
ⓘ
Paris–Lille railway NERFINISHED ⓘ Paris–Lyon railway NERFINISHED ⓘ Villeneuve-Saint-Georges–Montargis railway NERFINISHED ⓘ |
| usesTicketingSystem | Île-de-France Mobilités 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 D Description of subject: RER line D is one of the main lines of the Paris RER suburban rail network, running north–south through central Paris and serving numerous suburbs across the Île-de-France region.
Referenced by (18)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Paris–Malesherbes RER D branch
this entity surface form:
Paris RER line D
subject surface form:
Évry-Courcouronnes
this entity surface form:
RER D line
this entity surface form:
RER D branch to Melun
this entity surface form:
RER D line
this entity surface form:
Paris RER line D
subject surface form:
Pierrefitte-sur-Seine