Belle Haven Marina
E152010
Belle Haven Marina is a public boating facility and recreational area on the Potomac River near Alexandria, Virginia, offering boat rentals, sailing, and river access.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Belle Haven Marina canonical | 2 |
| Belle Haven Marina waterfront | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1326697 — 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: Belle Haven Marina Context triple: [George Washington Memorial Parkway, contains, Belle Haven Marina]
-
A.
Zephyr Cove Marina
Zephyr Cove Marina is a popular Lake Tahoe waterfront facility offering boating, water sports, and lakeside recreation services.
-
B.
Cullen Bay Marina
Cullen Bay Marina is a popular waterfront precinct in Darwin, Australia, known for its residential marina, dining venues, and leisure boating facilities.
-
C.
Columbia Point Marina Park
Columbia Point Marina Park is a waterfront recreational area and boat marina located along the Columbia River in Richland, Washington.
-
D.
Walton Marina
Walton Marina is a riverside boating and leisure facility located on the River Thames at Walton-on-Thames in Surrey, England.
-
E.
Northport Harbor
Northport Harbor is a sheltered coastal inlet and boating hub on Long Island’s North Shore in the village of Northport, New York.
- 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: Belle Haven Marina Target entity description: Belle Haven Marina is a public boating facility and recreational area on the Potomac River near Alexandria, Virginia, offering boat rentals, sailing, and river access.
-
A.
Zephyr Cove Marina
Zephyr Cove Marina is a popular Lake Tahoe waterfront facility offering boating, water sports, and lakeside recreation services.
-
B.
Cullen Bay Marina
Cullen Bay Marina is a popular waterfront precinct in Darwin, Australia, known for its residential marina, dining venues, and leisure boating facilities.
-
C.
Columbia Point Marina Park
Columbia Point Marina Park is a waterfront recreational area and boat marina located along the Columbia River in Richland, Washington.
-
D.
Walton Marina
Walton Marina is a riverside boating and leisure facility located on the River Thames at Walton-on-Thames in Surrey, England.
-
E.
Northport Harbor
Northport Harbor is a sheltered coastal inlet and boating hub on Long Island’s North Shore in the village of Northport, New York.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
marina
ⓘ
public boating facility ⓘ recreational area ⓘ |
| accessibleFrom | George Washington Memorial Parkway ⓘ |
| closestCity | Alexandria, Virginia ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county |
Fairfax County, Virginia
ⓘ
surface form:
Fairfax County
|
| hasAccessTo | Potomac River ⓘ |
| hasActivity |
birdwatching
ⓘ
canoeing ⓘ fishing ⓘ kayaking ⓘ paddleboarding ⓘ picnicking ⓘ recreational boating ⓘ sailing ⓘ |
| hasFeature |
boat launch
ⓘ
boat storage ⓘ dock ⓘ fuel dock ⓘ parking area ⓘ picnic areas ⓘ piers ⓘ restroom facilities ⓘ sailing school ⓘ |
| hasViewOf |
Dyke Marsh Wildlife Preserve
ⓘ
surface form:
Dyke Marsh
Potomac River ⓘ |
| locatedIn |
Fairfax County, Virginia
ⓘ
United States of America ⓘ
surface form:
United States
Virginia ⓘ |
| locatedNear | Alexandria, Virginia ⓘ |
| locatedOn | Potomac River ⓘ |
| near |
Belle Haven Park
ⓘ
Dyke Marsh Wildlife Preserve ⓘ Mount Vernon Trail ⓘ Old Town Alexandria Historic District ⓘ
surface form:
Old Town Alexandria
|
| offersService |
boat rentals
ⓘ
canoe rentals ⓘ kayak rentals ⓘ sailing instruction ⓘ stand-up paddleboard rentals ⓘ |
| openTo | general public ⓘ |
| operatedAs | public marina ⓘ |
| partOf |
George Washington Memorial Parkway
ⓘ
surface form:
George Washington Memorial Parkway (park unit)
|
| region | Northern Virginia ⓘ |
| state | Virginia ⓘ |
| usedFor |
sailing lessons
ⓘ
small craft launching ⓘ |
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: Belle Haven Marina Description of subject: Belle Haven Marina is a public boating facility and recreational area on the Potomac River near Alexandria, Virginia, offering boat rentals, sailing, and river access.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Belle Haven Marina waterfront