Lake Massasecum
E844984
Lake Massasecum is a freshwater lake in central New Hampshire known for recreation such as boating, fishing, and lakeside camping.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Lake Massasecum canonical | 1 |
| Massasecum Lake | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10146597 — 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 Massasecum Context triple: [Merrimack River watershed, containsWaterBody, Lake Massasecum]
-
A.
Lake Massawippa
Lake Massawippa is a small, scenic lake located within New York’s Harriman State Park, popular for outdoor recreation such as hiking, fishing, and paddling.
-
B.
Bras d'Or Lake
Bras d'Or Lake is a large, island-dotted inland sea on Cape Breton Island in Nova Scotia, known for its brackish waters, scenic coastline, and popularity for sailing and recreation.
-
C.
Lake Massabesic
Lake Massabesic is a large freshwater reservoir in southern New Hampshire that serves as the primary drinking water supply for the city of Manchester and a popular spot for outdoor recreation.
-
D.
Lake Massapoag
Lake Massapoag is a popular recreational freshwater lake in Sharon, Massachusetts, known for swimming, boating, and scenic views.
-
E.
Lake Winnipesaukee
Lake Winnipesaukee is a large, scenic glacial lake in central New Hampshire known for its islands, recreational boating, and role as a popular summer vacation destination.
- 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 Massasecum Target entity description: Lake Massasecum is a freshwater lake in central New Hampshire known for recreation such as boating, fishing, and lakeside camping.
-
A.
Lake Massawippa
Lake Massawippa is a small, scenic lake located within New York’s Harriman State Park, popular for outdoor recreation such as hiking, fishing, and paddling.
-
B.
Bras d'Or Lake
Bras d'Or Lake is a large, island-dotted inland sea on Cape Breton Island in Nova Scotia, known for its brackish waters, scenic coastline, and popularity for sailing and recreation.
-
C.
Lake Massabesic
Lake Massabesic is a large freshwater reservoir in southern New Hampshire that serves as the primary drinking water supply for the city of Manchester and a popular spot for outdoor recreation.
-
D.
Lake Massapoag
Lake Massapoag is a popular recreational freshwater lake in Sharon, Massachusetts, known for swimming, boating, and scenic views.
-
E.
Lake Winnipesaukee
Lake Winnipesaukee is a large, scenic glacial lake in central New Hampshire known for its islands, recreational boating, and role as a popular summer vacation destination.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
freshwater lake
ⓘ
lake ⓘ |
| averageDepth | approximately 18 feet ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| country |
United States
ⓘ
linked to:
United States of America
|
| drainageBasin | Merrimack River watershed ⓘ |
| elevationAboveSeaLevel | 636 feet ⓘ |
| freezesDuring | winter ⓘ |
| hasAlternativeName |
Massasecum Lake
ⓘ
linked to:
Lake Massasecum
|
| hasFeature | public boat launch ⓘ |
| hasFishSpecies |
brown bullhead
ⓘ
chain pickerel ⓘ largemouth bass ⓘ smallmouth bass ⓘ sunfish ⓘ yellow perch ⓘ |
| hasNearbySettlement | Bradford, New Hampshire ⓘ |
| hasRecreationSeason | primarily summer ⓘ |
| hasRegulation | New Hampshire boating regulations apply ⓘ |
| hasShorelineType | mostly developed shoreline ⓘ |
| hasUse |
boating
ⓘ
fishing ⓘ lakeside camping ⓘ recreation ⓘ swimming ⓘ |
| isManagedBy | New Hampshire Fish and Game Department ⓘ |
| isPopularFor |
seasonal homes
ⓘ
summer cottages ⓘ |
| isSubjectOf | local environmental monitoring programs ⓘ |
| isUsedFor | ice fishing in winter ⓘ |
| length | about 2.3 miles ⓘ |
| locatedIn |
Merrimack County
ⓘ
linked to:
Merrimack County, New Hampshire
New Hampshire ⓘ town of Bradford, New Hampshire ⓘ |
| locatedInRegion | central New Hampshire ⓘ |
| maximumDepth | 50 feet ⓘ |
| outflow | outlet brook to Warner River ⓘ |
| surfaceArea |
409 acres
ⓘ
approximately 1.65 square kilometres ⓘ |
| waterType | freshwater ⓘ |
| width | about 0.5 miles ⓘ |
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 Massasecum Description of subject: Lake Massasecum is a freshwater lake in central New Hampshire known for recreation such as boating, fishing, and lakeside camping.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Lake Massasecum