Jamaica Pond
E13291
Jamaica Pond is a large freshwater kettle pond and popular recreational area in Boston, known for boating, walking paths, and scenic views within the city’s park system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jamaica Pond canonical | 17 |
How this entity was disambiguated
This entity first appeared as the object of triple T79446 — 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: Jamaica Pond Context triple: [Emerald Necklace park system, hasPart, Jamaica Pond]
-
A.
Poucha Pond
Poucha Pond is a small tidal pond on Chappaquiddick Island in Massachusetts, best known as the site of the 1969 Chappaquiddick incident involving Senator Ted Kennedy.
-
B.
Halcyon Lake
Halcyon Lake is a tranquil ornamental pond within Mount Auburn Cemetery in Cambridge, Massachusetts, known for its scenic, reflective waters and surrounding historic landscape.
-
C.
Lake Ridge
Lake Ridge is a suburban community in Northern Virginia known for its residential neighborhoods, schools, and proximity to Washington, D.C.
-
D.
Silver Lake
Silver Lake is a trendy, historically bohemian neighborhood in central Los Angeles known for its reservoir, hillside homes, and vibrant arts, dining, and nightlife scenes.
-
E.
Clay Pit Pond
Clay Pit Pond is a small, man-made body of water in Belmont, Massachusetts, known as a local recreational and scenic spot surrounded by walking paths and parkland.
- 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: Jamaica Pond Target entity description: Jamaica Pond is a large freshwater kettle pond and popular recreational area in Boston, known for boating, walking paths, and scenic views within the city’s park system.
-
A.
Poucha Pond
Poucha Pond is a small tidal pond on Chappaquiddick Island in Massachusetts, best known as the site of the 1969 Chappaquiddick incident involving Senator Ted Kennedy.
-
B.
Halcyon Lake
Halcyon Lake is a tranquil ornamental pond within Mount Auburn Cemetery in Cambridge, Massachusetts, known for its scenic, reflective waters and surrounding historic landscape.
-
C.
Lake Ridge
Lake Ridge is a suburban community in Northern Virginia known for its residential neighborhoods, schools, and proximity to Washington, D.C.
-
D.
Silver Lake
Silver Lake is a trendy, historically bohemian neighborhood in central Los Angeles known for its reservoir, hillside homes, and vibrant arts, dining, and nightlife scenes.
-
E.
Clay Pit Pond
Clay Pit Pond is a small, man-made body of water in Belmont, Massachusetts, known as a local recreational and scenic spot surrounded by walking paths and parkland.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
freshwater lake
ⓘ
kettle pond ⓘ urban park water body ⓘ |
| averageDepth | about 25 feet ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| formedBy | glacial activity ⓘ |
| hasActivity |
canoeing
ⓘ
catch-and-release fishing ⓘ kayaking ⓘ rowing ⓘ sailing ⓘ |
| hasFacility |
benches
ⓘ
boat rentals ⓘ boathouse ⓘ open green space ⓘ walking path around shoreline ⓘ |
| hasTrail | multi-use path around pond ⓘ |
| hasUse |
birdwatching
ⓘ
boating ⓘ fishing ⓘ jogging ⓘ picnicking ⓘ recreation ⓘ walking ⓘ |
| hasWildlife |
ducks
ⓘ
freshwater fish ⓘ geese ⓘ |
| isPopularFor |
community events
ⓘ
family outings ⓘ leisure walking ⓘ running ⓘ scenic views ⓘ |
| lakeType | kettle pond ⓘ |
| length | about 1 mile shoreline circumference ⓘ |
| locatedIn |
Boston, Massachusetts
ⓘ
surface form:
Boston
Jamaica Plain neighborhood ⓘ
surface form:
Jamaica Plain
Massachusetts ⓘ Suffolk County, Massachusetts ⓘ |
| managedBy | Boston Parks and Recreation Department ⓘ |
| maximumDepth | about 50 to 60 feet ⓘ |
| near |
Brookline
ⓘ
surface form:
Brookline, Massachusetts
Jamaica Plain neighborhood ⓘ |
| partOf |
Boston park system
ⓘ
Emerald Necklace ⓘ Olmsted-designed Emerald Necklace park system ⓘ |
| surfaceArea | about 68 acres ⓘ |
| 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: Jamaica Pond Description of subject: Jamaica Pond is a large freshwater kettle pond and popular recreational area in Boston, known for boating, walking paths, and scenic views within the city’s park system.
Referenced by (17)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Jamaica Plain
subject surface form:
Jamaica Plain