Oxon Hill Manor
E34117
Oxon Hill Manor is a historic early-20th-century Neo-Georgian mansion and estate overlooking the Potomac River in Prince George’s County, Maryland, now used as an event and conference venue.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Oxon Hill Manor canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T253861 — 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: Oxon Hill Manor Context triple: [Prince George’s County, Maryland, hasHistoricalSite, Oxon Hill Manor]
-
A.
Sutton Place
Sutton Place is an affluent residential neighborhood on Manhattan’s East Side, known for its elegant townhouses, river views, and quiet, exclusive character.
-
B.
Locust Grove Estate
Locust Grove Estate is a historic Hudson River–valley property in Poughkeepsie, New York, best known as the Italianate villa and former home of telegraph inventor Samuel F. B. Morse, now operated as a museum and landscaped estate.
-
C.
Longwood House
Longwood House is the remote residence on the island of Saint Helena where Napoleon Bonaparte spent his final years in exile and ultimately died.
-
D.
Rockcliffe Mansion
Rockcliffe Mansion is a historic Gilded Age mansion and museum in Hannibal, Missouri, known for its grand architecture and period interiors.
-
E.
Emlen Physick Estate
The Emlen Physick Estate is a preserved Victorian house museum in Cape May, New Jersey, renowned as an outstanding example of Stick Style architecture and 19th-century seaside resort life.
- 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: Oxon Hill Manor Target entity description: Oxon Hill Manor is a historic early-20th-century Neo-Georgian mansion and estate overlooking the Potomac River in Prince George’s County, Maryland, now used as an event and conference venue.
-
A.
Sutton Place
Sutton Place is an affluent residential neighborhood on Manhattan’s East Side, known for its elegant townhouses, river views, and quiet, exclusive character.
-
B.
Locust Grove Estate
Locust Grove Estate is a historic Hudson River–valley property in Poughkeepsie, New York, best known as the Italianate villa and former home of telegraph inventor Samuel F. B. Morse, now operated as a museum and landscaped estate.
-
C.
Longwood House
Longwood House is the remote residence on the island of Saint Helena where Napoleon Bonaparte spent his final years in exile and ultimately died.
-
D.
Rockcliffe Mansion
Rockcliffe Mansion is a historic Gilded Age mansion and museum in Hannibal, Missouri, known for its grand architecture and period interiors.
-
E.
Emlen Physick Estate
The Emlen Physick Estate is a preserved Victorian house museum in Cape May, New Jersey, renowned as an outstanding example of Stick Style architecture and 19th-century seaside resort life.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
conference center
ⓘ
estate ⓘ event venue ⓘ historic house ⓘ mansion ⓘ |
| architecturalStyle |
Georgian Revival
ⓘ
surface form:
Neo-Georgian
|
| category |
Conference centers in Maryland
ⓘ
Event venues in Maryland ⓘ Historic houses in Maryland ⓘ Houses in Prince George’s County, Maryland ⓘ |
| constructionStartDate | 1920s ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county |
Prince George’s County, Maryland
ⓘ
surface form:
Prince George’s County
|
| hasFeature |
historic interior rooms
ⓘ
terraced lawns ⓘ view of the Potomac River ⓘ |
| hasGarden | formal gardens ⓘ |
| heritageDesignation | listed on the National Register of Historic Places ⓘ |
| inception | early 20th century ⓘ |
| locatedIn |
Maryland
ⓘ
Oxon Hill, Maryland ⓘ Prince George’s County, Maryland ⓘ United States of America ⓘ
surface form:
United States
|
| managedBy | Maryland-National Capital Park and Planning Commission ⓘ |
| NRHPType | building ⓘ |
| overlooks | Potomac River ⓘ |
| ownedBy |
Prince George’s County Council
ⓘ
surface form:
Prince George’s County Government
|
| state | Maryland ⓘ |
| use |
conference venue
ⓘ
meeting venue ⓘ special events venue ⓘ wedding venue ⓘ |
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: Oxon Hill Manor Description of subject: Oxon Hill Manor is a historic early-20th-century Neo-Georgian mansion and estate overlooking the Potomac River in Prince George’s County, Maryland, now used as an event and conference venue.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.