Hopkinton-Everett Lake
E844466
Hopkinton-Everett Lake is a flood-control reservoir and recreational lake in southern New Hampshire, known for activities like boating, fishing, and hiking within a larger protected natural area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hopkinton-Everett Lake canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10146506 — 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: Hopkinton-Everett Lake Context triple: [Merrimack River watershed, containsWaterBody, Hopkinton-Everett Lake]
-
A.
Lake Quinsigamond
Lake Quinsigamond is a long, narrow lake in central Massachusetts known for recreational boating, fishing, and its historic rowing regattas.
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B.
Hinsdale Lake
Hinsdale Lake is a small freshwater lake located in the town of Hinsdale in western Massachusetts, used primarily for recreation and local outdoor activities.
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C.
Leverett Pond
Leverett Pond is a scenic urban pond in Boston, Massachusetts, that forms part of the Emerald Necklace park system designed by Frederick Law Olmsted.
-
D.
Messalonskee Lake
Messalonskee Lake is a large freshwater lake in central Maine known for recreation, fishing, and its scenic shoreline.
-
E.
Upper Lake Cohasset
Upper Lake Cohasset is a small reservoir within New York’s Harriman State Park, known for its quiet forested setting and opportunities for hiking and nature observation.
- 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: Hopkinton-Everett Lake Target entity description: Hopkinton-Everett Lake is a flood-control reservoir and recreational lake in southern New Hampshire, known for activities like boating, fishing, and hiking within a larger protected natural area.
-
A.
Lake Quinsigamond
Lake Quinsigamond is a long, narrow lake in central Massachusetts known for recreational boating, fishing, and its historic rowing regattas.
-
B.
Hinsdale Lake
Hinsdale Lake is a small freshwater lake located in the town of Hinsdale in western Massachusetts, used primarily for recreation and local outdoor activities.
-
C.
Leverett Pond
Leverett Pond is a scenic urban pond in Boston, Massachusetts, that forms part of the Emerald Necklace park system designed by Frederick Law Olmsted.
-
D.
Messalonskee Lake
Messalonskee Lake is a large freshwater lake in central Maine known for recreation, fishing, and its scenic shoreline.
-
E.
Upper Lake Cohasset
Upper Lake Cohasset is a small reservoir within New York’s Harriman State Park, known for its quiet forested setting and opportunities for hiking and nature observation.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
flood control reservoir
ⓘ
reservoir ⓘ |
| adminRegion |
State of New Hampshire
ⓘ
linked to:
New Hampshire
|
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| country |
United States
ⓘ
linked to:
United States of America
|
| createdBy |
Everett Dam
ⓘ
Hopkinton Dam ⓘ |
| hasActivity |
boating
ⓘ
fishing ⓘ hiking ⓘ picnicking ⓘ swimming ⓘ wildlife viewing ⓘ |
| hasDam |
Everett Dam
ⓘ
Hopkinton Dam ⓘ |
| hasFacility |
boat launch
ⓘ
picnic areas ⓘ trails ⓘ |
| hasFeature | seasonally variable water level ⓘ |
| hasFishSpecies |
bass
ⓘ
panfish ⓘ trout ⓘ |
| hasLandUse | protected natural area ⓘ |
| hasRecreationArea |
Hopkinton-Everett Lakes recreation area
ⓘ
linked to:
Hopkinton State Park
|
| hasShorelineUse |
conservation land
ⓘ
recreation land ⓘ |
| isReservoirOn | Contoocook River ⓘ |
| locatedIn |
Merrimack County, New Hampshire
ⓘ
New Hampshire ⓘ |
| locatedNear |
Concord, New Hampshire
ⓘ
Hopkinton, New Hampshire ⓘ |
| managingAgency |
United States Army Corps of Engineers
ⓘ
linked to:
U.S. Army Corps of Engineers
|
| nearCity | Concord, New Hampshire ⓘ |
| nearTown |
Hopkinton, New Hampshire
ⓘ
Weare, New Hampshire ⓘ |
| openToPublic | yes ⓘ |
| operator |
U.S. Army Corps of Engineers New England District
ⓘ
linked to:
U.S. Army Corps of Engineers
|
| partOf | Hopkinton-Everett Lakes Flood Risk Management Project ⓘ |
| purpose |
flood control
ⓘ
recreation ⓘ |
| region | southern New Hampshire ⓘ |
| river | Contoocook River ⓘ |
| usedFor |
flood risk management
ⓘ
outdoor recreation ⓘ |
| waterbodyType | artificial 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: Hopkinton-Everett Lake Description of subject: Hopkinton-Everett Lake is a flood-control reservoir and recreational lake in southern New Hampshire, known for activities like boating, fishing, and hiking within a larger protected natural area.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.