Amsterdam North–South line
E498885
The Amsterdam North–South line is a major metro route in Amsterdam that runs between the northern and southern parts of the city, significantly improving cross-city public transport connectivity.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Amsterdam North–South line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5079121 — 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: Amsterdam North–South line Context triple: [Metro line 52, alsoKnownAs, Amsterdam North–South line]
-
A.
Amsterdam–Amersfoort railway
The Amsterdam–Amersfoort railway is a major Dutch rail corridor connecting Amsterdam with the city of Amersfoort and serving several intermediate towns in the central Netherlands.
-
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.
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C.
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.
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D.
Amsterdam–Schiphol railway
The Amsterdam–Schiphol railway is a key rail line in the Netherlands that connects central Amsterdam with Schiphol Airport and other major routes in the Randstad region.
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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: Amsterdam North–South line Target entity description: The Amsterdam North–South line is a major metro route in Amsterdam that runs between the northern and southern parts of the city, significantly improving cross-city public transport connectivity.
-
A.
Amsterdam–Amersfoort railway
The Amsterdam–Amersfoort railway is a major Dutch rail corridor connecting Amsterdam with the city of Amersfoort and serving several intermediate towns in the central Netherlands.
-
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.
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.
-
D.
Amsterdam–Schiphol railway
The Amsterdam–Schiphol railway is a key rail line in the Netherlands that connects central Amsterdam with Schiphol Airport and other major routes in the Randstad region.
-
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 (47)
| Predicate | Object |
|---|---|
| instanceOf |
metro line
ⓘ
public transport infrastructure ⓘ |
| character | underground ⓘ |
| connects |
Amsterdam Centraal station
NERFINISHED
ⓘ
Amsterdam-Noord NERFINISHED ⓘ Amsterdam-Zuid NERFINISHED ⓘ |
| constructionStartDate | 2003 ⓘ |
| constructionType |
bored tunnel
ⓘ
cut-and-cover tunnel ⓘ |
| crosses | IJ NERFINISHED ⓘ |
| electrification | 750 V DC third rail ⓘ |
| endStation | Zuid metro station ⓘ |
| fareSystem | OV-chipkaart NERFINISHED ⓘ |
| hasColorOnMap | blue ⓘ |
| hasInterchange |
Amsterdam Centraal railway station
NERFINISHED
ⓘ
Amsterdam RAI railway station via Europaplein NERFINISHED ⓘ Amsterdam Zuid railway station NERFINISHED ⓘ |
| hasStation |
Centraal Station metro station
NERFINISHED
ⓘ
De Pijp metro station NERFINISHED ⓘ Europaplein metro station NERFINISHED ⓘ Noord metro station NERFINISHED ⓘ Noorderpark metro station NERFINISHED ⓘ Rokin metro station NERFINISHED ⓘ Vijzelgracht metro station NERFINISHED ⓘ Zuid metro station ⓘ |
| hasWebsite | https://www.gvb.nl ⓘ |
| improves | cross-city public transport connectivity in Amsterdam ⓘ |
| languageOfOfficialName | Dutch ⓘ |
| lineNumber | 52 ⓘ |
| locatedIn | Amsterdam ⓘ |
| locatedInCountry | Netherlands NERFINISHED ⓘ |
| notableFor |
complex inner-city tunnelling
ⓘ
cost overruns and delays ⓘ |
| numberOfStations | 8 ⓘ |
| officialName | Noord/Zuidlijn NERFINISHED ⓘ |
| openingDate | 2018-07-22 ⓘ |
| operatedBy | GVB NERFINISHED ⓘ |
| ownedBy | Municipality of Amsterdam NERFINISHED ⓘ |
| partOf | Amsterdam Metro NERFINISHED ⓘ |
| passesThrough | Amsterdam city centre NERFINISHED ⓘ |
| planningStartDate | 1990s ⓘ |
| startStation | Noord metro station NERFINISHED ⓘ |
| terminus |
Noord metro station
NERFINISHED
ⓘ
Zuid metro station ⓘ |
| trackGauge | 1435 mm ⓘ |
| usesRollingStock |
M5 metro trains
NERFINISHED
ⓘ
M6 metro trains 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: Amsterdam North–South line Description of subject: The Amsterdam North–South line is a major metro route in Amsterdam that runs between the northern and southern parts of the city, significantly improving cross-city public transport connectivity.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.