Sebasticook River watershed
E263298
The Sebasticook River watershed is a drainage basin in central Maine that collects water from numerous lakes, rivers, and streams before ultimately feeding into the Kennebec River system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sebasticook River watershed canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2267238 — 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: Sebasticook River watershed Context triple: [Sebasticook Lake, partOf, Sebasticook River watershed]
-
A.
Merrimack River watershed
The Merrimack River watershed is the drainage basin in New England that collects water from numerous rivers and streams, ultimately feeding into the Merrimack River.
-
B.
Contoocook River
The Contoocook River is a scenic river in southern New Hampshire known for its northward flow and popular recreational activities such as fishing, paddling, and whitewater boating.
-
C.
Kennebec River
The Kennebec River is a major river in central Maine known for its historical role in logging and shipping and its popular whitewater rafting and recreational opportunities.
-
D.
Blackstone River watershed
The Blackstone River watershed is a major New England river basin that drains portions of Massachusetts and Rhode Island, historically central to early American industrialization and mill development.
-
E.
Androscoggin River
The Androscoggin River is a major river in northern New England that flows from New Hampshire through western Maine, historically important for logging, hydropower, and recreation.
- 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: Sebasticook River watershed Target entity description: The Sebasticook River watershed is a drainage basin in central Maine that collects water from numerous lakes, rivers, and streams before ultimately feeding into the Kennebec River system.
-
A.
Merrimack River watershed
The Merrimack River watershed is the drainage basin in New England that collects water from numerous rivers and streams, ultimately feeding into the Merrimack River.
-
B.
Contoocook River
The Contoocook River is a scenic river in southern New Hampshire known for its northward flow and popular recreational activities such as fishing, paddling, and whitewater boating.
-
C.
Kennebec River
The Kennebec River is a major river in central Maine known for its historical role in logging and shipping and its popular whitewater rafting and recreational opportunities.
-
D.
Blackstone River watershed
The Blackstone River watershed is a major New England river basin that drains portions of Massachusetts and Rhode Island, historically central to early American industrialization and mill development.
-
E.
Androscoggin River
The Androscoggin River is a major river in northern New England that flows from New Hampshire through western Maine, historically important for logging, hydropower, and recreation.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
drainage basin
ⓘ
river basin ⓘ watershed ⓘ |
| collectsWaterFrom |
lakes
ⓘ
rivers ⓘ streams ⓘ |
| contains | Sebasticook River ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| drainsInto | Sebasticook River ⓘ |
| hasFeature |
network of lakes
ⓘ
network of rivers ⓘ network of tributary streams ⓘ |
| hasHydrologicalFunction |
collects surface water runoff
ⓘ
conveys water to the Kennebec River system ⓘ |
| hasProcess |
groundwater recharge
ⓘ
surface water drainage ⓘ |
| hydrologicSystem |
Kennebec River watershed
ⓘ
surface form:
Kennebec River system
|
| influences | water quality in the Kennebec River system ⓘ |
| isComponentOf | regional hydrology of central Maine ⓘ |
| locatedIn |
Maine
ⓘ
United States of America ⓘ
surface form:
United States
central Maine ⓘ |
| partOf |
Kennebec River
ⓘ
surface form:
Kennebec River basin
|
| state | Maine ⓘ |
| ultimatelyDrainsInto | Kennebec 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: Sebasticook River watershed Description of subject: The Sebasticook River watershed is a drainage basin in central Maine that collects water from numerous lakes, rivers, and streams before ultimately feeding into the Kennebec River system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.