Lake Saltonstall (Haverhill, Massachusetts)
E844024
Lake Saltonstall is a small reservoir in Haverhill, Massachusetts, used for recreation and local water supply within the Merrimack River watershed.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lake Saltonstall (Haverhill, Massachusetts) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10146562 — 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 Saltonstall (Haverhill, Massachusetts) Context triple: [Merrimack River watershed, containsWaterBody, Lake Saltonstall (Haverhill, Massachusetts)]
-
A.
Fourth Connecticut Lake, New Hampshire
Fourth Connecticut Lake in New Hampshire is a small, remote high-elevation lake best known as the headwaters of the Connecticut River and a destination for backcountry hikers near the Canadian border.
-
B.
Lake Quannapowitt, Wakefield, Massachusetts
Lake Quannapowitt in Wakefield, Massachusetts is a popular recreational lake known for its scenic walking paths, boating, and community events just north of Boston.
-
C.
Lake Sunapee, New Hampshire
Lake Sunapee, New Hampshire is a scenic glacial lake and popular recreational destination in western New Hampshire known for boating, fishing, and lakeside resorts.
-
D.
Salisbury Pond
Salisbury Pond is a small reservoir in Massachusetts that serves as a central scenic and recreational feature within D.W. Field Park.
-
E.
Lake Massapoag
Lake Massapoag is a popular recreational freshwater lake in Sharon, Massachusetts, known for swimming, boating, and scenic views.
- 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 Saltonstall (Haverhill, Massachusetts) Target entity description: Lake Saltonstall is a small reservoir in Haverhill, Massachusetts, used for recreation and local water supply within the Merrimack River watershed.
-
A.
Fourth Connecticut Lake, New Hampshire
Fourth Connecticut Lake in New Hampshire is a small, remote high-elevation lake best known as the headwaters of the Connecticut River and a destination for backcountry hikers near the Canadian border.
-
B.
Lake Quannapowitt, Wakefield, Massachusetts
Lake Quannapowitt in Wakefield, Massachusetts is a popular recreational lake known for its scenic walking paths, boating, and community events just north of Boston.
-
C.
Lake Sunapee, New Hampshire
Lake Sunapee, New Hampshire is a scenic glacial lake and popular recreational destination in western New Hampshire known for boating, fishing, and lakeside resorts.
-
D.
Salisbury Pond
Salisbury Pond is a small reservoir in Massachusetts that serves as a central scenic and recreational feature within D.W. Field Park.
-
E.
Lake Massapoag
Lake Massapoag is a popular recreational freshwater lake in Sharon, Massachusetts, known for swimming, boating, and scenic views.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
lake
ⓘ
reservoir ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| city | Haverhill NERFINISHED ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasCity | Haverhill, Massachusetts NERFINISHED ⓘ |
| hasFunction |
municipal water supply
ⓘ
outdoor recreation ⓘ |
| hasName | Lake Saltonstall NERFINISHED ⓘ |
| hasUse |
public recreation
ⓘ
water storage ⓘ |
| isArtificial | true ⓘ |
| isInDrainageBasin | Merrimack River NERFINISHED ⓘ |
| locatedIn |
Essex County, Massachusetts
ⓘ
Haverhill, Massachusetts NERFINISHED ⓘ Massachusetts ⓘ northeastern Massachusetts ⓘ |
| locatedInWatershed | Merrimack River watershed ⓘ |
| partOf | Merrimack River basin NERFINISHED ⓘ |
| region | New England NERFINISHED ⓘ |
| state | Massachusetts ⓘ |
| use |
local water supply
ⓘ
recreation ⓘ |
| waterBodyType | freshwater lake ⓘ |
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 Saltonstall (Haverhill, Massachusetts) Description of subject: Lake Saltonstall is a small reservoir in Haverhill, Massachusetts, used for recreation and local water supply within the Merrimack River watershed.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.