Harlem watershed
E758229
The Harlem watershed is the drainage basin that collects and channels surface water from the Harlem area’s network of streams and creeks into larger connected water bodies.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Harlem watershed canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8820049 — 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: Harlem watershed Context triple: [Harlem Creek (historic), partOf, Harlem watershed]
-
A.
Harlem River
The Harlem River is a tidal strait in New York City that separates Manhattan from the Bronx and connects the Hudson River to the East River.
-
B.
Blue Plains
Blue Plains is a major advanced wastewater treatment facility in Washington, D.C., known as one of the largest and most sophisticated plants of its kind in the world.
-
C.
Gowanus Canal
The Gowanus Canal is a heavily polluted industrial waterway in Brooklyn, New York City, known for its Superfund cleanup status and ongoing waterfront redevelopment efforts.
-
D.
Harlem River Ship Canal area
The Harlem River Ship Canal area is a navigable waterway in New York City that connects the Harlem River to the Hudson River and is spanned by the Henry Hudson Bridge.
-
E.
Seine watershed
The Seine watershed is the drainage basin in northern France that collects water flowing into the Seine River and its tributaries, encompassing Paris and surrounding regions.
- 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: Harlem watershed Target entity description: The Harlem watershed is the drainage basin that collects and channels surface water from the Harlem area’s network of streams and creeks into larger connected water bodies.
-
A.
Harlem River
The Harlem River is a tidal strait in New York City that separates Manhattan from the Bronx and connects the Hudson River to the East River.
-
B.
Blue Plains
Blue Plains is a major advanced wastewater treatment facility in Washington, D.C., known as one of the largest and most sophisticated plants of its kind in the world.
-
C.
Gowanus Canal
The Gowanus Canal is a heavily polluted industrial waterway in Brooklyn, New York City, known for its Superfund cleanup status and ongoing waterfront redevelopment efforts.
-
D.
Harlem River Ship Canal area
The Harlem River Ship Canal area is a navigable waterway in New York City that connects the Harlem River to the Hudson River and is spanned by the Henry Hudson Bridge.
-
E.
Seine watershed
The Seine watershed is the drainage basin in northern France that collects water flowing into the Seine River and its tributaries, encompassing Paris and surrounding regions.
- F. None of above. chosen
Statements (13)
| Predicate | Object |
|---|---|
| instanceOf |
drainage basin
ⓘ
watershed ⓘ |
| channelsWaterTo | larger connected water bodies ⓘ |
| collects | surface water ⓘ |
| hasPart |
network of creeks
ⓘ
network of streams ⓘ |
| hasProcess |
runoff collection
ⓘ
surface water conveyance ⓘ |
| hydrologicalFunction | drainage of precipitation from Harlem area ⓘ |
| influences | local hydrology of Harlem area ⓘ |
| locatedIn | Harlem area ⓘ |
| relatedTo |
creek network in Harlem area
ⓘ
stream network in Harlem area ⓘ |
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: Harlem watershed Description of subject: The Harlem watershed is the drainage basin that collects and channels surface water from the Harlem area’s network of streams and creeks into larger connected water bodies.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.