Lake Cochichewick
E849750
Lake Cochichewick is a freshwater lake in North Andover, Massachusetts, serving as a local recreational area and public water supply within the Merrimack River watershed.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lake Cochichewick canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10146513 — 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: Lake Cochichewick Context triple: [Merrimack River watershed, containsWaterBody, Lake Cochichewick]
-
A.
Lake Wassookeag
Lake Wassookeag is a freshwater lake in Dexter, Maine, known for recreational activities like boating, fishing, and swimming in a scenic rural setting.
-
B.
Ell Pond
Ell Pond is a scenic natural pond and surrounding parkland in Melrose, Massachusetts, known for its walking paths, wildlife, and recreational green space.
-
C.
Emerson Pond
Emerson Pond is a small freshwater pond located in the town of Chester in Rockingham County, New Hampshire.
-
D.
Stetson Pond
Stetson Pond is a freshwater lake located in the town of Stetson in Penobscot County, Maine, known for recreational activities such as fishing and boating.
-
E.
Langham Pond
Langham Pond is a notable natural pond and wildlife habitat located within the historic Runnymede landscape in Surrey, England.
- 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: Lake Cochichewick Target entity description: Lake Cochichewick is a freshwater lake in North Andover, Massachusetts, serving as a local recreational area and public water supply within the Merrimack River watershed.
-
A.
Lake Wassookeag
Lake Wassookeag is a freshwater lake in Dexter, Maine, known for recreational activities like boating, fishing, and swimming in a scenic rural setting.
-
B.
Ell Pond
Ell Pond is a scenic natural pond and surrounding parkland in Melrose, Massachusetts, known for its walking paths, wildlife, and recreational green space.
-
C.
Emerson Pond
Emerson Pond is a small freshwater pond located in the town of Chester in Rockingham County, New Hampshire.
-
D.
Stetson Pond
Stetson Pond is a freshwater lake located in the town of Stetson in Penobscot County, Maine, known for recreational activities such as fishing and boating.
-
E.
Langham Pond
Langham Pond is a notable natural pond and wildlife habitat located within the historic Runnymede landscape in Surrey, England.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
freshwater lake
ⓘ
lake ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| category |
Lakes of Essex County, Massachusetts
ⓘ
Protected areas of Essex County, Massachusetts ⓘ Reservoirs in Massachusetts ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| drainageBasin | Merrimack River ⓘ |
| ecosystemType | temperate freshwater lake ⓘ |
| hasFunction |
drinking water reservoir
ⓘ
local recreation area ⓘ |
| hasInflow | Cochichewick Brook ⓘ |
| hasOutflow | Cochichewick Brook ⓘ |
| hasRecreationRule |
motorized boating restrictions (local regulations)
ⓘ
shoreline access regulated by town ⓘ |
| hasShoreline |
North Andover, Massachusetts
ⓘ
linked to:
North Andover
|
| isPartOf | public water supply system of North Andover ⓘ |
| locatedIn |
Essex County, Massachusetts
ⓘ
Massachusetts ⓘ Merrimack River watershed ⓘ New England ⓘ North Andover, Massachusetts ⓘ
linked to:
North Andover
|
| locatedNear |
Stevens Pond
ⓘ
Weir Hill (North Andover, Massachusetts) ⓘ |
| managedBy |
Town of North Andover
ⓘ
linked to:
North Andover
|
| municipalityServed |
North Andover, Massachusetts
ⓘ
linked to:
North Andover
|
| nearbyCity |
Haverhill, Massachusetts
ⓘ
linked to:
Haverhill, Massachusetts, United States
Lawrence, Massachusetts ⓘ
linked to:
Lawrence, Massachusetts, United States
|
| partOf |
Merrimack River basin
ⓘ
linked to:
Merrimack River watershed
|
| region | Essex County ⓘ |
| use |
boating
ⓘ
fishing ⓘ public water supply ⓘ recreation ⓘ swimming (restricted/regulated) ⓘ |
| usedFor |
fire protection water supply
ⓘ
wildlife habitat ⓘ |
| waterType | freshwater ⓘ |
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: Lake Cochichewick Description of subject: Lake Cochichewick is a freshwater lake in North Andover, Massachusetts, serving as a local recreational area and public water supply within the Merrimack River watershed.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.