Dog Bar Breakwater
E181601
Dog Bar Breakwater is a long protective stone barrier in Gloucester, Massachusetts, that shelters the harbor and guides vessels entering near Eastern Point Lighthouse.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Dog Bar Breakwater canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1597233 — 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: Dog Bar Breakwater Context triple: [Eastern Point Lighthouse, nearbyLandmark, Dog Bar Breakwater]
-
A.
Long Point Breakwater
Long Point Breakwater is a long stone jetty in Provincetown, Massachusetts, built to protect Provincetown Harbor and provide safe navigation near Long Point.
-
B.
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.
-
C.
Leadbetter Beach
Leadbetter Beach is a popular sandy shoreline and surf spot in Santa Barbara, California, known for its gentle waves, scenic coastal views, and adjacent park and picnic areas.
-
D.
Dog Beach
Dog Beach is a popular off-leash dog swimming and play area located along the water in Brooklyn’s Prospect Park.
-
E.
Outlet Beach
Outlet Beach is a popular sandy swimming beach located within Sandbanks Provincial Park in Ontario, Canada.
- 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: Dog Bar Breakwater Target entity description: Dog Bar Breakwater is a long protective stone barrier in Gloucester, Massachusetts, that shelters the harbor and guides vessels entering near Eastern Point Lighthouse.
-
A.
Long Point Breakwater
Long Point Breakwater is a long stone jetty in Provincetown, Massachusetts, built to protect Provincetown Harbor and provide safe navigation near Long Point.
-
B.
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.
-
C.
Leadbetter Beach
Leadbetter Beach is a popular sandy shoreline and surf spot in Santa Barbara, California, known for its gentle waves, scenic coastal views, and adjacent park and picnic areas.
-
D.
Dog Beach
Dog Beach is a popular off-leash dog swimming and play area located along the water in Brooklyn’s Prospect Park.
-
E.
Outlet Beach
Outlet Beach is a popular sandy swimming beach located within Sandbanks Provincial Park in Ontario, Canada.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
breakwater
ⓘ
coastal engineering structure ⓘ |
| associatedWith |
U.S. Army Corps of Engineers
ⓘ
surface form:
United States Army Corps of Engineers
|
| coast |
North Shore, Massachusetts
ⓘ
surface form:
North Shore of Massachusetts
|
| country |
United States of America
ⓘ
surface form:
United States
|
| extendsFrom | Eastern Point ⓘ |
| function |
harbor protection
ⓘ
navigation aid ⓘ |
| guidesVesselsTo | Gloucester Harbor ⓘ |
| hasAccess | walkable surface ⓘ |
| hasNameOrigin | Dog Bar Reef ⓘ |
| locatedAtBodyOfWater |
Atlantic Ocean
ⓘ
Massachusetts Bay ⓘ |
| locatedIn |
Essex County, Massachusetts
ⓘ
Gloucester, Massachusetts, United States ⓘ
surface form:
Gloucester, Massachusetts
Massachusetts ⓘ United States of America ⓘ
surface form:
United States
|
| material | stone ⓘ |
| nearbyCity | Gloucester ⓘ |
| nearbyStructure | Eastern Point Lighthouse ⓘ |
| orientation | roughly east–west ⓘ |
| partOf |
Gloucester breakwater
ⓘ
surface form:
Gloucester harbor defenses
|
| popularFor |
fishing
ⓘ
scenic views ⓘ walking ⓘ |
| protects | Gloucester Harbor ⓘ |
| purpose |
to mark the entrance channel near Eastern Point Lighthouse
ⓘ
to shelter Gloucester Harbor from ocean swells ⓘ |
| region | New England ⓘ |
| usedFor |
channeling vessel traffic
ⓘ
reducing storm surge impact ⓘ wave attenuation ⓘ |
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: Dog Bar Breakwater Description of subject: Dog Bar Breakwater is a long protective stone barrier in Gloucester, Massachusetts, that shelters the harbor and guides vessels entering near Eastern Point Lighthouse.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.