Long Point Breakwater
E152048
Long Point Breakwater is a long stone jetty in Provincetown, Massachusetts, built to protect Provincetown Harbor and provide safe navigation near Long Point.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Long Point Breakwater canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1327375 — 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: Long Point Breakwater Context triple: [Provincetown Harbor, hasNavigationAid, Long Point Breakwater]
-
A.
Plymouth Breakwater
Plymouth Breakwater is a massive early 19th-century stone breakwater in Plymouth Sound, England, built to protect the naval anchorage and harbor from the open sea.
-
B.
Absecon Lighthouse
Absecon Lighthouse is a historic 19th-century coastal lighthouse in Atlantic City, New Jersey, known as one of the tallest lighthouses in the United States and a popular tourist attraction.
-
C.
Cape May Point
Cape May Point is a small coastal borough at the southern tip of New Jersey known for its beaches, historic lighthouse, and bird migration viewing.
-
D.
Absecon
Absecon is a small city in Atlantic County, New Jersey, located near Atlantic City and served by regional rail and highway connections.
-
E.
Lorain Lighthouse
Lorain Lighthouse is a historic navigational beacon on Lake Erie, known for its distinctive architecture and status as an iconic symbol of Lorain, Ohio.
- 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: Long Point Breakwater Target entity description: Long Point Breakwater is a long stone jetty in Provincetown, Massachusetts, built to protect Provincetown Harbor and provide safe navigation near Long Point.
-
A.
Plymouth Breakwater
Plymouth Breakwater is a massive early 19th-century stone breakwater in Plymouth Sound, England, built to protect the naval anchorage and harbor from the open sea.
-
B.
Absecon Lighthouse
Absecon Lighthouse is a historic 19th-century coastal lighthouse in Atlantic City, New Jersey, known as one of the tallest lighthouses in the United States and a popular tourist attraction.
-
C.
Cape May Point
Cape May Point is a small coastal borough at the southern tip of New Jersey known for its beaches, historic lighthouse, and bird migration viewing.
-
D.
Absecon
Absecon is a small city in Atlantic County, New Jersey, located near Atlantic City and served by regional rail and highway connections.
-
E.
Lorain Lighthouse
Lorain Lighthouse is a historic navigational beacon on Lake Erie, known for its distinctive architecture and status as an iconic symbol of Lorain, Ohio.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
breakwater
ⓘ
jetty ⓘ |
| category |
Buildings and structures in Provincetown, Massachusetts
ⓘ
Coastal engineering structure in Massachusetts ⓘ Transportation infrastructure in Barnstable County, Massachusetts ⓘ |
| connects |
Long Point (Provincetown, Massachusetts)
ⓘ
Provincetown mainland ⓘ |
| constructionType | rubble-mound breakwater ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| feature |
composed of large granite blocks
ⓘ
extends across the mouth of Provincetown Harbor ⓘ visible at low and high tide ⓘ walkable at most tides ⓘ |
| hasAccess | at low tide and high tide depending on conditions ⓘ |
| hasNearbyStructure |
Long Point Light
ⓘ
Wood End Light ⓘ |
| hazard |
slippery rocks
ⓘ
uneven surface ⓘ |
| locatedIn |
Barnstable County, Massachusetts
ⓘ
Cape Cod ⓘ Provincetown ⓘ
surface form:
Provincetown, Massachusetts
|
| locatedInBodyOfWater | Provincetown Harbor ⓘ |
| locatedInProtectedArea | Cape Cod National Seashore ⓘ |
| locatedNear |
Long Point (Provincetown, Massachusetts)
ⓘ
Race Point ⓘ |
| maintainedBy |
U.S. Army Corps of Engineers
ⓘ
surface form:
United States Army Corps of Engineers
|
| material |
granite
ⓘ
stone ⓘ |
| nearbyCity | Provincetown ⓘ |
| nearbyCountySeat | Barnstable ⓘ |
| orientation | roughly east-west ⓘ |
| partOf | infrastructure of Provincetown Harbor ⓘ |
| protects |
Provincetown Harbor
ⓘ
Provincetown ⓘ
surface form:
Provincetown waterfront
|
| purpose |
harbor protection
ⓘ
navigation safety ⓘ shoreline stabilization ⓘ |
| region | New England ⓘ |
| state | Massachusetts ⓘ |
| tourism |
local tourist attraction
ⓘ
popular walking route in Provincetown ⓘ |
| usedFor |
access to Long Point Light Station
ⓘ
birdwatching ⓘ fishing ⓘ pedestrian access ⓘ recreational walking ⓘ |
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: Long Point Breakwater Description of subject: Long Point Breakwater is a long stone jetty in Provincetown, Massachusetts, built to protect Provincetown Harbor and provide safe navigation near Long Point.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.