Ermont–Valmondois line
E476342
The Ermont–Valmondois line is a suburban railway route in the northern Île-de-France region of France that connects several commuter towns to the Paris rail network.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Ermont–Valmondois line canonical | 1 |
| Montsoult–Maffliers–Luzarches branch | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4874885 — 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: Ermont–Valmondois line Context triple: [Saint-Leu-la-Forêt, railwayLine, Ermont–Valmondois line]
-
A.
Savoy-Carignan line
The Savoy-Carignan line was a cadet branch of the House of Savoy that produced several notable European nobles and rulers, including future kings of Italy.
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B.
Paris–Montargis line
The Paris–Montargis line is a French railway route connecting Paris with the town of Montargis, serving numerous suburban and regional communities in the Île-de-France and Centre-Val de Loire regions.
-
C.
Cours-la-Reine
Cours-la-Reine is a historic tree-lined promenade and park along the Seine River in Paris, known as one of the city’s earliest public gardens.
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D.
Béziers–Neussargues railway
The Béziers–Neussargues railway is a French rail line crossing the Massif Central, noted for its dramatic mountain scenery and engineering works such as the Garabit Viaduct.
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E.
Guilherand-Granges
Guilherand-Granges is a French town located in the Ardèche department in the Auvergne-Rhône-Alpes region, situated on the west bank of the Rhône River opposite the city of Valence.
- 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: Ermont–Valmondois line Target entity description: The Ermont–Valmondois line is a suburban railway route in the northern Île-de-France region of France that connects several commuter towns to the Paris rail network.
-
A.
Savoy-Carignan line
The Savoy-Carignan line was a cadet branch of the House of Savoy that produced several notable European nobles and rulers, including future kings of Italy.
-
B.
Paris–Montargis line
The Paris–Montargis line is a French railway route connecting Paris with the town of Montargis, serving numerous suburban and regional communities in the Île-de-France and Centre-Val de Loire regions.
-
C.
Cours-la-Reine
Cours-la-Reine is a historic tree-lined promenade and park along the Seine River in Paris, known as one of the city’s earliest public gardens.
-
D.
Béziers–Neussargues railway
The Béziers–Neussargues railway is a French rail line crossing the Massif Central, noted for its dramatic mountain scenery and engineering works such as the Garabit Viaduct.
-
E.
Guilherand-Granges
Guilherand-Granges is a French town located in the Ardèche department in the Auvergne-Rhône-Alpes region, situated on the west bank of the Rhône River opposite the city of Valence.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
railway line
ⓘ
suburban railway line ⓘ |
| belongsTo | Île-de-France suburban rail network NERFINISHED ⓘ |
| connectsTo |
Paris rail network
NERFINISHED
ⓘ
Paris-Nord rail network NERFINISHED ⓘ |
| connectsTown |
Bessancourt
NERFINISHED
ⓘ
Eaubonne NERFINISHED ⓘ Ermont NERFINISHED ⓘ Mériel NERFINISHED ⓘ Saint-Leu-la-Forêt NERFINISHED ⓘ Taverny NERFINISHED ⓘ Valmondois NERFINISHED ⓘ |
| country | France ⓘ |
| electrification | 25 kV AC overhead line ⓘ |
| electrificationSystem | overhead catenary ⓘ |
| electrified | yes ⓘ |
| hasRollingStockType | electric multiple units ⓘ |
| hasStation |
Bessancourt station
NERFINISHED
ⓘ
Cernay station NERFINISHED ⓘ Ermont-Eaubonne station NERFINISHED ⓘ Franconville–Le Plessis-Bouchard station NERFINISHED ⓘ Mériel station NERFINISHED ⓘ Saint-Leu-la-Forêt station NERFINISHED ⓘ Taverny station NERFINISHED ⓘ Valmondois station NERFINISHED ⓘ |
| locatedIn |
northern suburbs of Paris
ⓘ
northern Île-de-France ⓘ Île-de-France region ⓘ
surface form:
Île-de-France
|
| locatedInDepartment | Val-d'Oise department NERFINISHED ⓘ |
| locatedNear | Paris NERFINISHED ⓘ |
| openingPeriod | 19th century ⓘ |
| operator | SNCF NERFINISHED ⓘ |
| owner | SNCF Réseau NERFINISHED ⓘ |
| partOfNetwork |
Transilien
NERFINISHED
ⓘ
Transilien H NERFINISHED ⓘ |
| primaryUse | commuter traffic ⓘ |
| railwaySystem | French national railway network NERFINISHED ⓘ |
| railwayType | commuter rail ⓘ |
| regionServed |
Paris metropolitan area
NERFINISHED
ⓘ
Val-d'Oise NERFINISHED ⓘ |
| safetySystem | French national railway signalling ⓘ |
| servicePattern | all-stations suburban services ⓘ |
| serviceType | suburban passenger service ⓘ |
| terminus |
Ermont-Eaubonne station
NERFINISHED
ⓘ
Valmondois station NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| usedByService | Transilien line H services NERFINISHED ⓘ |
| usedFor | daily commuting to Paris ⓘ |
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: Ermont–Valmondois line Description of subject: The Ermont–Valmondois line is a suburban railway route in the northern Île-de-France region of France that connects several commuter towns to the Paris rail network.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Montsoult–Maffliers–Luzarches branch