IJ Tunnel
E46649
The IJ Tunnel is a major road tunnel in Amsterdam that carries traffic beneath the IJ waterway, connecting the city center with its northern districts.
All labels observed (1)
| Label | Occurrences |
|---|---|
| IJ Tunnel canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T184249 — 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: IJ Tunnel Context triple: [IJ Bay, crossedBy, IJ Tunnel]
-
A.
Queens Midtown Tunnel
The Queens Midtown Tunnel is a vehicular tunnel in New York City that connects Midtown Manhattan with the borough of Queens beneath the East River.
-
B.
Lincoln Tunnel
The Lincoln Tunnel is a major vehicular tunnel under the Hudson River connecting Midtown Manhattan in New York City with Weehawken, New Jersey.
-
C.
Hugh L. Carey Tunnel
The Hugh L. Carey Tunnel is a major vehicular tunnel in New York City that connects Lower Manhattan to Brooklyn beneath New York Harbor.
-
D.
Whitestone Bridge
The Whitestone Bridge is a major suspension bridge in New York City that connects the Bronx and Queens across the East River, serving as a key link between the city and Long Island.
-
E.
Tappan Zee Bridge
The Tappan Zee Bridge was a major highway span in New York that carried traffic across the Hudson River between Westchester and Rockland counties, north of New York City.
- 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: IJ Tunnel Target entity description: The IJ Tunnel is a major road tunnel in Amsterdam that carries traffic beneath the IJ waterway, connecting the city center with its northern districts.
-
A.
Queens Midtown Tunnel
The Queens Midtown Tunnel is a vehicular tunnel in New York City that connects Midtown Manhattan with the borough of Queens beneath the East River.
-
B.
Lincoln Tunnel
The Lincoln Tunnel is a major vehicular tunnel under the Hudson River connecting Midtown Manhattan in New York City with Weehawken, New Jersey.
-
C.
Hugh L. Carey Tunnel
The Hugh L. Carey Tunnel is a major vehicular tunnel in New York City that connects Lower Manhattan to Brooklyn beneath New York Harbor.
-
D.
Whitestone Bridge
The Whitestone Bridge is a major suspension bridge in New York City that connects the Bronx and Queens across the East River, serving as a key link between the city and Long Island.
-
E.
Tappan Zee Bridge
The Tappan Zee Bridge was a major highway span in New York that carried traffic across the Hudson River between Westchester and Rockland counties, north of New York City.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
road tunnel
ⓘ
transport infrastructure ⓘ tunnel ⓘ |
| connects |
Amsterdam-Centrum
ⓘ
surface form:
Amsterdam city centre
Amsterdam North ⓘ
surface form:
Amsterdam-Noord
|
| country | Netherlands ⓘ |
| crosses | IJ ⓘ |
| function | connect city centre with northern districts ⓘ |
| hasAccess |
city centre of Amsterdam
ⓘ
northern districts of Amsterdam ⓘ |
| hasLanes | 4 ⓘ |
| hasNameLanguage | Dutch ⓘ |
| hasTube | 2 ⓘ |
| isMajorTransportLinkIn | Amsterdam ⓘ |
| locatedIn |
Amsterdam
ⓘ
Netherlands ⓘ North Holland ⓘ |
| namedAfter | IJ ⓘ |
| operator | Municipality of Amsterdam ⓘ |
| owner | Municipality of Amsterdam ⓘ |
| partOf | Amsterdam road network ⓘ |
| passesBelow | IJ waterway ⓘ |
| roadType | motor vehicle tunnel ⓘ |
| underlies | IJ waterway ⓘ |
| usedFor |
motorized traffic
ⓘ
road traffic ⓘ |
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: IJ Tunnel Description of subject: The IJ Tunnel is a major road tunnel in Amsterdam that carries traffic beneath the IJ waterway, connecting the city center with its northern districts.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.