Utrecht–Leiden railway
E276261
The Utrecht–Leiden railway is a Dutch rail line connecting the cities of Utrecht and Leiden, serving as an important regional passenger route in the Randstad area.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Utrecht–Leiden railway canonical | 2 |
| Leiden–Utrecht railway | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2427006 — 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: Utrecht–Leiden railway Context triple: [Utrecht Centraal, railwayLine, Utrecht–Leiden railway]
-
A.
Utrecht–Rotterdam railway
The Utrecht–Rotterdam railway is a major Dutch rail corridor connecting the central hub of Utrecht with the port city of Rotterdam, serving as an important route for both passenger and regional traffic.
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B.
Haarlem–Leiden railway
The Haarlem–Leiden railway is a historic rail line in the Netherlands that connects the cities of Haarlem and Leiden and serves several intermediate towns in the province of North Holland.
-
C.
Utrecht–Gouda railway
The Utrecht–Gouda railway is a key rail line in the Netherlands connecting the major transport hub of Utrecht with the city of Gouda and forming part of the country’s core passenger and regional rail network.
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D.
The Hague–Rotterdam railway
The Hague–Rotterdam railway is a major Dutch rail line connecting the cities of The Hague and Rotterdam and serving several important intermediate stations in South Holland.
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E.
Utrecht–Hilversum–Amersfoort railway
The Utrecht–Hilversum–Amersfoort railway is a key Dutch rail route connecting the central hub of Utrecht with the cities of Hilversum and Amersfoort in the central Netherlands.
- 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: Utrecht–Leiden railway Target entity description: The Utrecht–Leiden railway is a Dutch rail line connecting the cities of Utrecht and Leiden, serving as an important regional passenger route in the Randstad area.
-
A.
Utrecht–Rotterdam railway
The Utrecht–Rotterdam railway is a major Dutch rail corridor connecting the central hub of Utrecht with the port city of Rotterdam, serving as an important route for both passenger and regional traffic.
-
B.
Haarlem–Leiden railway
The Haarlem–Leiden railway is a historic rail line in the Netherlands that connects the cities of Haarlem and Leiden and serves several intermediate towns in the province of North Holland.
-
C.
Utrecht–Gouda railway
The Utrecht–Gouda railway is a key rail line in the Netherlands connecting the major transport hub of Utrecht with the city of Gouda and forming part of the country’s core passenger and regional rail network.
-
D.
The Hague–Rotterdam railway
The Hague–Rotterdam railway is a major Dutch rail line connecting the cities of The Hague and Rotterdam and serving several important intermediate stations in South Holland.
-
E.
Utrecht–Hilversum–Amersfoort railway
The Utrecht–Hilversum–Amersfoort railway is a key Dutch rail route connecting the central hub of Utrecht with the cities of Hilversum and Amersfoort in the central Netherlands.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
railway in the Netherlands
ⓘ
railway line ⓘ |
| connectsCity |
Leiden
ⓘ
Utrecht ⓘ |
| connectsTransportHub |
Leiden Centraal
ⓘ
surface form:
Leiden Centraal railway station
Utrecht Centraal ⓘ
surface form:
Utrecht Centraal railway station
|
| country | Netherlands ⓘ |
| electrification | 1.5 kV DC overhead line ⓘ |
| gauge | 1,435 mm standard gauge ⓘ |
| hasStation |
Alphen aan den Rijn railway station
ⓘ
Bodegraven railway station ⓘ Leiden Centraal ⓘ
surface form:
Leiden Centraal railway station
Utrecht Centraal ⓘ
surface form:
Utrecht Centraal railway station
Woerden railway station ⓘ |
| languageOfName | Dutch ⓘ |
| locatedIn |
Randstad metropolitan region
ⓘ
surface form:
Randstad
|
| locatedInMetropolitanArea |
Randstad metropolitan region
ⓘ
surface form:
Randstad conurbation
|
| operator | Nederlandse Spoorwegen ⓘ |
| ownedBy | ProRail ⓘ |
| partOf | Dutch railway network ⓘ |
| passesThrough |
Alphen aan den Rijn
ⓘ
Bodegraven ⓘ Woerden ⓘ |
| primaryUse | regional passenger services ⓘ |
| regionServed |
Province of South Holland
ⓘ
surface form:
province of South Holland
Province of Utrecht ⓘ
surface form:
province of Utrecht
|
| status | operational ⓘ |
| terminus |
Leiden Centraal
ⓘ
surface form:
Leiden Centraal railway station
Utrecht Centraal ⓘ
surface form:
Utrecht Centraal railway station
|
| trackConfiguration | double track on most sections ⓘ |
| usedFor | passenger transport ⓘ |
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: Utrecht–Leiden railway Description of subject: The Utrecht–Leiden railway is a Dutch rail line connecting the cities of Utrecht and Leiden, serving as an important regional passenger route in the Randstad area.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Leiden–Utrecht railway
subject surface form:
Utrecht Centraal railway station