Shandaken Tunnel
E48689
The Shandaken Tunnel is an aqueduct in New York State that diverts water from the Schoharie Reservoir to the Esopus Creek as part of the New York City water supply system.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Shandaken Tunnel canonical | 5 |
| Esopus Creek via Shandaken Tunnel | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T386878 — 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: Shandaken Tunnel Context triple: [Esopus Creek, connectedBy, Shandaken Tunnel]
-
A.
IJ Tunnel
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.
-
B.
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.
-
C.
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.
-
D.
Bear Mountain Bridge
Bear Mountain Bridge is a steel suspension bridge in New York that carries U.S. Route 6 and U.S. Route 202 across the Hudson River near Bear Mountain State Park.
-
E.
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.
- 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: Shandaken Tunnel Target entity description: The Shandaken Tunnel is an aqueduct in New York State that diverts water from the Schoharie Reservoir to the Esopus Creek as part of the New York City water supply system.
-
A.
IJ Tunnel
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.
-
B.
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.
-
C.
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.
-
D.
Bear Mountain Bridge
Bear Mountain Bridge is a steel suspension bridge in New York that carries U.S. Route 6 and U.S. Route 202 across the Hudson River near Bear Mountain State Park.
-
E.
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.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
aqueduct
ⓘ
infrastructure ⓘ water tunnel ⓘ |
| connectsReservoir | Schoharie Reservoir ⓘ |
| constructionMaterial | rock tunnel ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| dischargesInto | Esopus Creek ⓘ |
| environmentalImpact |
affects turbidity in Esopus Creek
ⓘ
alters flow regime of Esopus Creek ⓘ |
| hasFunction | gravity-fed water conveyance ⓘ |
| inflowWatercourse | Schoharie Creek watershed via Schoharie Reservoir ⓘ |
| locatedIn |
Catskill Mountains
ⓘ
New York ⓘ
surface form:
New York State
|
| locatedInAdministrativeEntity |
Greene County, New York
ⓘ
Ulster County ⓘ
surface form:
Ulster County, New York
|
| locatedInWatershed |
New York City water supply system
ⓘ
surface form:
New York City water supply watersheds
|
| locatedNear | Town of Shandaken, New York ⓘ |
| operator | New York City Department of Environmental Protection ⓘ |
| outflowWatercourse | Esopus Creek watershed ⓘ |
| ownedBy |
New York City
ⓘ
surface form:
City of New York
|
| partOf |
Catskill system reservoirs
ⓘ
surface form:
Catskill water supply system
New York City water supply system ⓘ Schoharie–Esopus water diversion system ⓘ |
| purpose |
diversion of water to New York City supply
ⓘ
regulation of flows in Esopus Creek ⓘ |
| regulates | volume of Schoharie Reservoir releases to Esopus Creek ⓘ |
| use |
drinking water conveyance
ⓘ
municipal water supply ⓘ |
| waterDestination | Esopus Creek ⓘ |
| waterSource | Schoharie Reservoir ⓘ |
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: Shandaken Tunnel Description of subject: The Shandaken Tunnel is an aqueduct in New York State that diverts water from the Schoharie Reservoir to the Esopus Creek as part of the New York City water supply system.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Esopus Creek via Shandaken Tunnel