Maastunnel
E138436
bicycle tunnel
immersed tube tunnel
national monument of the Netherlands
pedestrian tunnel
road tunnel
Maastunnel is a historic traffic tunnel in Rotterdam, the Netherlands, carrying road, bicycle, and pedestrian traffic beneath the Nieuwe Maas river.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Maastunnel canonical | 2 |
| Velser Tunnel | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1213411 — 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: Maastunnel Context triple: [Nieuwe Maas, hasTunnel, Maastunnel]
-
A.
Piet Hein Tunnel
The Piet Hein Tunnel is a major road and tram tunnel in Amsterdam that connects the city center with the Eastern Docklands and the A10 ring road.
-
B.
Malinta Tunnel
Malinta Tunnel is a historic underground complex on Corregidor Island in the Philippines that served as a bomb-proof headquarters and hospital for American and Filipino forces during World War II.
-
C.
Robertson Tunnel
Robertson Tunnel is a major light rail tunnel in Portland, Oregon, carrying MAX trains through the West Hills between downtown and the city’s western suburbs.
-
D.
Eisenhower–Johnson Memorial Tunnel
The Eisenhower–Johnson Memorial Tunnel is a high-altitude vehicular tunnel through the Rocky Mountains in Colorado, carrying Interstate 70 beneath the Continental Divide.
-
E.
Fréjus Road Tunnel
The Fréjus Road Tunnel is a major trans-Alpine highway tunnel linking France and Italy through the Alps, serving as an important route for international road traffic.
- 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: Maastunnel Target entity description: Maastunnel is a historic traffic tunnel in Rotterdam, the Netherlands, carrying road, bicycle, and pedestrian traffic beneath the Nieuwe Maas river.
-
A.
Piet Hein Tunnel
The Piet Hein Tunnel is a major road and tram tunnel in Amsterdam that connects the city center with the Eastern Docklands and the A10 ring road.
-
B.
Malinta Tunnel
Malinta Tunnel is a historic underground complex on Corregidor Island in the Philippines that served as a bomb-proof headquarters and hospital for American and Filipino forces during World War II.
-
C.
Robertson Tunnel
Robertson Tunnel is a major light rail tunnel in Portland, Oregon, carrying MAX trains through the West Hills between downtown and the city’s western suburbs.
-
D.
Eisenhower–Johnson Memorial Tunnel
The Eisenhower–Johnson Memorial Tunnel is a high-altitude vehicular tunnel through the Rocky Mountains in Colorado, carrying Interstate 70 beneath the Continental Divide.
-
E.
Fréjus Road Tunnel
The Fréjus Road Tunnel is a major trans-Alpine highway tunnel linking France and Italy through the Alps, serving as an important route for international road traffic.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
bicycle tunnel
ⓘ
immersed tube tunnel ⓘ national monument of the Netherlands ⓘ pedestrian tunnel ⓘ road tunnel ⓘ |
| connects |
north bank of Rotterdam
ⓘ
south bank of Rotterdam ⓘ |
| constructionMethod | immersed tube technique ⓘ |
| constructionStartDate | 1937 ⓘ |
| country | Netherlands ⓘ |
| crosses | Nieuwe Maas ⓘ |
| designedFor |
bicycle traffic
ⓘ
pedestrian traffic ⓘ road traffic ⓘ |
| endPoint | south bank of Nieuwe Maas in Rotterdam ⓘ |
| hasCoordinateSystem | WGS84 ⓘ |
| hasFeature |
separate escalators for cyclists and pedestrians
ⓘ
tile-lined interior ⓘ ventilation buildings on both river banks ⓘ |
| hasLanes |
1 bicycle tube
ⓘ
1 pedestrian tube ⓘ 2 road traffic tubes ⓘ |
| hasRenovation | major renovation 2017–2020 ⓘ |
| heritageDesignationDate | 2012 ⓘ |
| heritageStatus |
rijksmonument
ⓘ
linked to:
Rijksmonument
|
| languageOfName | Dutch ⓘ |
| length |
1.07 km
ⓘ
1070 m ⓘ |
| locatedIn |
Rotterdam
ⓘ
South Holland ⓘ |
| locatedInUrbanArea | Rotterdam city centre vicinity ⓘ |
| locatedUnder |
Nieuwe Maas riverbed
ⓘ
linked to:
Nieuwe Maas
|
| maintainedBy | Municipality of Rotterdam ⓘ |
| material | reinforced concrete ⓘ |
| maximumDepth | about 20 m below water level ⓘ |
| namedAfter | river Maas ⓘ |
| openingDate | 1942-02-14 ⓘ |
| owner | Municipality of Rotterdam ⓘ |
| partOf | Rotterdam road network ⓘ |
| riverCrossed | Nieuwe Maas ⓘ |
| significance | first car tunnel in the Netherlands ⓘ |
| startPoint | north bank of Nieuwe Maas in Rotterdam ⓘ |
| trafficType |
bicycles
ⓘ
motor vehicles ⓘ pedestrians ⓘ |
| yearOpened | 1942 ⓘ |
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: Maastunnel Description of subject: Maastunnel is a historic traffic tunnel in Rotterdam, the Netherlands, carrying road, bicycle, and pedestrian traffic beneath the Nieuwe Maas river.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Maastunnel