Haarlem–Leiden railway

E202511

railway in the Netherlands railway line

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.

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All labels observed (6)

Label	Occurrences
Haarlem–Leiden railway line	4
Haarlem–Leiden railway canonical	3
Haarlem–Leiden section	1
Leiden–Haarlem railway line	1
Old Line (Oude Lijn)	1
Oude Lijn	1

How this entity was disambiguated

This entity first appeared as the object of triple T1811133 — 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: Haarlem–Leiden railway
Context triple: [Nieuw-Vennep, railwayLine, Haarlem–Leiden railway]

A. Amsterdam–Haarlem–Rotterdam railway
The Amsterdam–Haarlem–Rotterdam railway is one of the Netherlands’ oldest and most important mainline rail routes, connecting major cities in the Randstad region.
B. Weesp–Leiden railway
The Weesp–Leiden railway is a key rail line in the Netherlands connecting the Amsterdam area with Leiden and serving as an important corridor in the Randstad region’s passenger rail network.
C. 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.
D. Amsterdam–Zaandam–Enkhuizen railway
The Amsterdam–Zaandam–Enkhuizen railway is a key rail route in the Netherlands connecting Amsterdam with the Zaan region and the historic port town of Enkhuizen.
E. Amsterdam–Arnhem railway
The Amsterdam–Arnhem railway is a major Dutch rail corridor connecting Amsterdam with the eastern city of Arnhem and forming part of the international route toward Germany.
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: Haarlem–Leiden railway
Target entity description: 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.

A. Amsterdam–Haarlem–Rotterdam railway
The Amsterdam–Haarlem–Rotterdam railway is one of the Netherlands’ oldest and most important mainline rail routes, connecting major cities in the Randstad region.
B. Weesp–Leiden railway
The Weesp–Leiden railway is a key rail line in the Netherlands connecting the Amsterdam area with Leiden and serving as an important corridor in the Randstad region’s passenger rail network.
C. 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.
D. Amsterdam–Zaandam–Enkhuizen railway
The Amsterdam–Zaandam–Enkhuizen railway is a key rail route in the Netherlands connecting Amsterdam with the Zaan region and the historic port town of Enkhuizen.
E. Amsterdam–Arnhem railway
The Amsterdam–Arnhem railway is a major Dutch rail corridor connecting Amsterdam with the eastern city of Arnhem and forming part of the international route toward Germany.
F. None of above. chosen

Statements (30)

Predicate	Object
instanceOf	railway in the Netherlands ⓘ railway line ⓘ
connects	Haarlem ⓘ Leiden ⓘ cities in the Randstad conurbation ⓘ
country	Netherlands ⓘ
electrification	overhead line ⓘ
hasInfrastructureType	double-track railway ⓘ
hasMode	heavy rail ⓘ
hasOwner	ProRail ⓘ
historicalSignificance	one of the early railway connections between major Dutch cities ⓘ
locatedIn	province of North Holland ⓘ western Netherlands ⓘ linked to: Western Netherlands
operator	Nederlandse Spoorwegen ⓘ
partOf	Dutch railway network ⓘ
passesThrough	rural areas ⓘ suburban areas ⓘ urban areas ⓘ
regionServed	Randstad ⓘ linked to: Randstad metropolitan region
serves	Heemstede NERFINISHED ⓘ Hillegom ⓘ Lisse ⓘ Sassenheim ⓘ Voorhout NERFINISHED ⓘ
status	operational ⓘ
terminus	Haarlem railway station ⓘ Leiden Centraal railway station ⓘ linked to: Leiden Centraal
trackGauge	1,435 mm standard gauge ⓘ
usedFor	freight transport ⓘ passenger transport ⓘ

How these facts were elicited