Jones Point Lighthouse
E405585
Jones Point Lighthouse is a historic 19th-century river lighthouse located on the Potomac River near Alexandria, Virginia, notable as one of the last remaining riverine lighthouses in the United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jones Point Lighthouse canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T4017956 — 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: Jones Point Lighthouse Context triple: [Alexandria waterfront, hasNearbyLandmark, Jones Point Lighthouse]
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A.
Wind Point Lighthouse
Wind Point Lighthouse is a historic 19th-century lighthouse on Lake Michigan in Wisconsin, known as one of the oldest and tallest active lighthouses on the Great Lakes.
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B.
Eastern Point Lighthouse
Eastern Point Lighthouse is a historic coastal beacon in Gloucester, Massachusetts, guiding ships at the entrance to Gloucester Harbor on the Atlantic Ocean.
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C.
McGulpin Point Lighthouse
McGulpin Point Lighthouse is a historic 19th-century lighthouse on the Straits of Mackinac in northern Michigan, preserved today as a heritage site and museum.
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D.
Mission Point Light
Mission Point Light is a historic lighthouse located at the tip of Old Mission Peninsula in Grand Traverse Bay, Michigan, known for its picturesque setting and 19th-century architecture.
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E.
Prospect Point Lighthouse
Prospect Point Lighthouse is a historic coastal beacon located at the northern tip of Vancouver’s Stanley Park, overlooking the entrance to Burrard Inlet.
- 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: Jones Point Lighthouse Target entity description: Jones Point Lighthouse is a historic 19th-century river lighthouse located on the Potomac River near Alexandria, Virginia, notable as one of the last remaining riverine lighthouses in the United States.
-
A.
Wind Point Lighthouse
Wind Point Lighthouse is a historic 19th-century lighthouse on Lake Michigan in Wisconsin, known as one of the oldest and tallest active lighthouses on the Great Lakes.
-
B.
Eastern Point Lighthouse
Eastern Point Lighthouse is a historic coastal beacon in Gloucester, Massachusetts, guiding ships at the entrance to Gloucester Harbor on the Atlantic Ocean.
-
C.
McGulpin Point Lighthouse
McGulpin Point Lighthouse is a historic 19th-century lighthouse on the Straits of Mackinac in northern Michigan, preserved today as a heritage site and museum.
-
D.
Mission Point Light
Mission Point Light is a historic lighthouse located at the tip of Old Mission Peninsula in Grand Traverse Bay, Michigan, known for its picturesque setting and 19th-century architecture.
-
E.
Prospect Point Lighthouse
Prospect Point Lighthouse is a historic coastal beacon located at the northern tip of Vancouver’s Stanley Park, overlooking the entrance to Burrard Inlet.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
lighthouse ⓘ river lighthouse ⓘ |
| accessibleToPublic | yes ⓘ |
| automated | 1926 ⓘ |
| category |
Historic sites in Virginia
ⓘ
Lighthouses in Virginia ⓘ Transportation buildings and structures in Alexandria, Virginia ⓘ |
| constructionMaterial | brick ⓘ |
| constructionStartYear | 1855 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| county | City of Alexandria, Virginia ⓘ |
| currentUse |
historic exhibit
ⓘ
interpretive site within a public park ⓘ |
| deactivated | 1926 ⓘ |
| firstLit | 1856 ⓘ |
| foundationMaterial | stone ⓘ |
| hasFeature | attached keeper’s dwelling ⓘ |
| hasMarker | historical interpretive signs ⓘ |
| hasSurroundings | riverside parkland and walking paths ⓘ |
| hasWalkingTrail | yes ⓘ |
| height | about 19 feet ⓘ |
| heritageStatus | listed on the National Register of Historic Places ⓘ |
| laterManagingAgent |
United States Coast Guard
ⓘ
United States Lighthouse Service ⓘ |
| lensType | sixth-order Fresnel lens ⓘ |
| lightCharacteristic | fixed white (historical) ⓘ |
| lightRange | several miles on the Potomac River (historical) ⓘ |
| locatedIn | Alexandria, Virginia ⓘ |
| locatedOn | Potomac River ⓘ |
| location | Jones Point Park ⓘ |
| managedBy | National Park Service ⓘ |
| nearBorder | Maryland–Virginia border on the Potomac River ⓘ |
| nearCity | Alexandria, Virginia ⓘ |
| nearLandmark | Woodrow Wilson Bridge ⓘ |
| NRHPStatus | contributing property of a historic district ⓘ |
| originalManagingAgent | United States Lighthouse Board ⓘ |
| ownedBy | National Park Service ⓘ |
| partOf | George Washington Memorial Parkway ⓘ |
| powerSource | oil lamp (historical) ⓘ |
| purpose | to aid navigation on the Potomac River ⓘ |
| servesWaterway | Potomac River ⓘ |
| significance |
example of 19th-century river lighthouse architecture
ⓘ
one of the last remaining riverine lighthouses in the United States ⓘ |
| state | Virginia ⓘ |
| towerShape | square ⓘ |
| yearCompleted | 1855 ⓘ |
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: Jones Point Lighthouse Description of subject: Jones Point Lighthouse is a historic 19th-century river lighthouse located on the Potomac River near Alexandria, Virginia, notable as one of the last remaining riverine lighthouses in the United States.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.