Black River (New Hampshire)
E1005275
Black River (New Hampshire) is a river in the U.S. state of New Hampshire that flows through Sullivan County before joining the Connecticut River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Black River (New Hampshire) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11452473 — 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: Black River (New Hampshire) Context triple: [Connecticut River watershed, hasTributary, Black River (New Hampshire)]
-
A.
Black River (Vermont)
Black River (Vermont) is a river in southeastern Vermont that flows generally southeast through several towns before joining the Connecticut River.
-
B.
Souhegan River
The Souhegan River is a New Hampshire waterway known for its scenic, largely rural course and popular recreational activities such as fishing, paddling, and riverside hiking.
-
C.
Nashua River
The Nashua River is a New England waterway flowing through Massachusetts and New Hampshire, historically significant for both severe industrial pollution and subsequent environmental restoration efforts.
-
D.
Sugar River (New Hampshire)
Sugar River (New Hampshire) is a river in western New Hampshire that flows generally westward from Lake Sunapee through several towns before joining the Connecticut River.
-
E.
Mad River
Mad River is a tributary stream in New Hampshire that feeds into the Pemigewasset River within the Merrimack River watershed.
- 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: Black River (New Hampshire) Target entity description: Black River (New Hampshire) is a river in the U.S. state of New Hampshire that flows through Sullivan County before joining the Connecticut River.
-
A.
Black River (Vermont)
Black River (Vermont) is a river in southeastern Vermont that flows generally southeast through several towns before joining the Connecticut River.
-
B.
Souhegan River
The Souhegan River is a New Hampshire waterway known for its scenic, largely rural course and popular recreational activities such as fishing, paddling, and riverside hiking.
-
C.
Nashua River
The Nashua River is a New England waterway flowing through Massachusetts and New Hampshire, historically significant for both severe industrial pollution and subsequent environmental restoration efforts.
-
D.
Sugar River (New Hampshire)
Sugar River (New Hampshire) is a river in western New Hampshire that flows generally westward from Lake Sunapee through several towns before joining the Connecticut River.
-
E.
Mad River
Mad River is a tributary stream in New Hampshire that feeds into the Pemigewasset River within the Merrimack River watershed.
- F. None of above. chosen
Statements (13)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| flowsThrough | Sullivan County, New Hampshire ⓘ |
| hasMouthInCountry |
United States
ⓘ
linked to:
United States of America
|
| hasMouthInState | New Hampshire ⓘ |
| locatedIn |
New Hampshire
ⓘ
Sullivan County, New Hampshire ⓘ |
| locatedInRegion | New England ⓘ |
| locatedInTimeZone | Eastern Time Zone ⓘ |
| locatedInWatershed | Connecticut River watershed ⓘ |
| mouth | Connecticut River ⓘ |
| mouthLocatedIn | Connecticut River ⓘ |
| tributaryOf | Connecticut River ⓘ |
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: Black River (New Hampshire) Description of subject: Black River (New Hampshire) is a river in the U.S. state of New Hampshire that flows through Sullivan County before joining the Connecticut River.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.