Den Helder–Amsterdam railway
E747143
The Den Helder–Amsterdam railway is a major rail line in the Netherlands that links the northern coastal city of Den Helder with the capital Amsterdam, serving as an important corridor for regional and intercity passenger services.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Den Helder–Amsterdam railway canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8633883 — 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: Den Helder–Amsterdam railway Context triple: [Haarlem–Uitgeest railway, connectsWith, Den Helder–Amsterdam railway]
-
A.
Amsterdam–Alkmaar railway
The Amsterdam–Alkmaar railway is a major rail route in the Netherlands connecting Amsterdam with the city of Alkmaar and serving several intermediate towns in North Holland.
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B.
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.
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C.
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.
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D.
Den Haag–Gouda railway
The Den Haag–Gouda railway is a key rail line in the Netherlands connecting The Hague with Gouda and forming part of an important corridor between the Randstad region and the rest of the country.
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E.
Amsterdam–Utrecht railway
The Amsterdam–Utrecht railway is a major Dutch mainline rail route connecting Amsterdam with Utrecht and forming part of a key north–south transport corridor in the 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: Den Helder–Amsterdam railway Target entity description: The Den Helder–Amsterdam railway is a major rail line in the Netherlands that links the northern coastal city of Den Helder with the capital Amsterdam, serving as an important corridor for regional and intercity passenger services.
-
A.
Amsterdam–Alkmaar railway
The Amsterdam–Alkmaar railway is a major rail route in the Netherlands connecting Amsterdam with the city of Alkmaar and serving several intermediate towns in North Holland.
-
B.
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.
-
C.
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.
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D.
Den Haag–Gouda railway
The Den Haag–Gouda railway is a key rail line in the Netherlands connecting The Hague with Gouda and forming part of an important corridor between the Randstad region and the rest of the country.
-
E.
Amsterdam–Utrecht railway
The Amsterdam–Utrecht railway is a major Dutch mainline rail route connecting Amsterdam with Utrecht and forming part of a key north–south transport corridor in the Netherlands.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | railway line ⓘ |
| connects |
Amsterdam
NERFINISHED
ⓘ
Den Helder NERFINISHED ⓘ Randstad metropolitan area NERFINISHED ⓘ northern coastal region of the Netherlands ⓘ |
| connectsTo |
Alkmaar–Hoorn railway
NERFINISHED
ⓘ
Amsterdam–Rotterdam railway NERFINISHED ⓘ Amsterdam–Utrecht railway NERFINISHED ⓘ Zaandam–Enkhuizen railway NERFINISHED ⓘ |
| country | Netherlands ⓘ |
| electrification | electrified ⓘ |
| electrificationSystem | 1.5 kV DC overhead line ⓘ |
| gauge | standard gauge ⓘ |
| hasLineNumber | NS line Den Helder–Amsterdam NERFINISHED ⓘ |
| hasStation |
Alkmaar station
NERFINISHED
ⓘ
Amsterdam Centraal station NERFINISHED ⓘ Amsterdam Sloterdijk station NERFINISHED ⓘ Anna Paulowna station NERFINISHED ⓘ Castricum station NERFINISHED ⓘ Den Helder Zuid station NERFINISHED ⓘ Den Helder station NERFINISHED ⓘ Heerhugowaard station NERFINISHED ⓘ Heiloo station NERFINISHED ⓘ Schagen station NERFINISHED ⓘ Uitgeest station NERFINISHED ⓘ Zaandam station NERFINISHED ⓘ |
| importance | major rail corridor ⓘ |
| locatedIn | province of North Holland ⓘ |
| operator | Nederlandse Spoorwegen NERFINISHED ⓘ |
| owner | ProRail NERFINISHED ⓘ |
| partOf | Dutch railway network NERFINISHED ⓘ |
| passesThrough |
Alkmaar
NERFINISHED
ⓘ
Amsterdam NERFINISHED ⓘ Castricum NERFINISHED ⓘ Heerhugowaard NERFINISHED ⓘ Schagen NERFINISHED ⓘ Zaandam NERFINISHED ⓘ |
| serves | North Holland NERFINISHED ⓘ |
| serviceType |
intercity
ⓘ
sprinter ⓘ |
| status | in operation ⓘ |
| terminus |
Amsterdam
NERFINISHED
ⓘ
Den Helder NERFINISHED ⓘ |
| usedFor |
intercity rail services
ⓘ
passenger rail transport ⓘ regional rail services ⓘ |
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: Den Helder–Amsterdam railway Description of subject: The Den Helder–Amsterdam railway is a major rail line in the Netherlands that links the northern coastal city of Den Helder with the capital Amsterdam, serving as an important corridor for regional and intercity passenger services.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Haarlem–Uitgeest railway