Marshall Hall, Maryland
E336568
Marshall Hall, Maryland is a historic estate and former riverside plantation along the Potomac River in Prince George's County, known for its 18th-century manor house ruins and archaeological significance.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Marshall Hall, Maryland canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3189844 — 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: Marshall Hall, Maryland Context triple: [Accokeek, Maryland, hasHistoricSite, Marshall Hall, Maryland]
-
A.
Marshall Hall
Marshall Hall was an American mathematician known for his influential work in group theory and combinatorics and for mentoring prominent students such as Donald E. Knuth.
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B.
Greenspun Hall
Greenspun Hall is an academic building at the University of Nevada, Las Vegas, best known as the home of the Greenspun College of Urban Affairs and its journalism and media programs.
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C.
Demaray Hall
Demaray Hall is a prominent academic and administrative building serving as a central landmark on the Seattle Pacific University campus in Seattle, Washington.
-
D.
Walker Mill, Maryland
Walker Mill, Maryland is a residential community in Prince George's County, just outside Washington, D.C., known for its suburban character and proximity to several small municipalities.
-
E.
Windsor Mill, Maryland
Windsor Mill, Maryland is an unincorporated community in Baltimore County known primarily as a residential suburb of Baltimore with convenient access to major highways and nearby employment centers.
- 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: Marshall Hall, Maryland Target entity description: Marshall Hall, Maryland is a historic estate and former riverside plantation along the Potomac River in Prince George's County, known for its 18th-century manor house ruins and archaeological significance.
-
A.
Marshall Hall
Marshall Hall was an American mathematician known for his influential work in group theory and combinatorics and for mentoring prominent students such as Donald E. Knuth.
-
B.
Greenspun Hall
Greenspun Hall is an academic building at the University of Nevada, Las Vegas, best known as the home of the Greenspun College of Urban Affairs and its journalism and media programs.
-
C.
Demaray Hall
Demaray Hall is a prominent academic and administrative building serving as a central landmark on the Seattle Pacific University campus in Seattle, Washington.
-
D.
Walker Mill, Maryland
Walker Mill, Maryland is a residential community in Prince George's County, just outside Washington, D.C., known for its suburban character and proximity to several small municipalities.
-
E.
Windsor Mill, Maryland
Windsor Mill, Maryland is an unincorporated community in Baltimore County known primarily as a residential suburb of Baltimore with convenient access to major highways and nearby employment centers.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
archaeological site
ⓘ
former plantation ⓘ historic estate ⓘ |
| category |
Archaeological sites in Maryland
ⓘ
Historic estates in Maryland ⓘ Plantations in Maryland ⓘ Ruins in the United States ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county |
Prince George’s County, Maryland
ⓘ
surface form:
Prince George's County, Maryland
|
| eraOfInitialDevelopment | 18th century ⓘ |
| hasArchaeologicalResources |
artifact deposits related to plantation life
ⓘ
outbuilding remains ⓘ plantation house foundations ⓘ |
| hasArchaeologicalSignificance | yes ⓘ |
| hasLandscapeFeature | river bluff overlooking the Potomac River ⓘ |
| hasRuins | Marshall Hall manor house ruins ⓘ |
| hasUse |
archaeological research
ⓘ
heritage tourism ⓘ historic preservation ⓘ |
| hasView | Mount Vernon across the Potomac River ⓘ |
| heritageDesignation |
National Register of Historic Places
ⓘ
surface form:
National Register of Historic Places listing
|
| isAccessibleToPublic | yes ⓘ |
| knownFor |
18th-century manor house ruins
ⓘ
archaeological remains of a colonial plantation ⓘ views across the Potomac River to Mount Vernon ⓘ |
| locatedInRegion | Southern Maryland ⓘ |
| locatedNear | Mount Vernon, Virginia ⓘ |
| locatedOnRiver | Potomac River ⓘ |
| locatedOpposite | George Washington's Mount Vernon ⓘ |
| NRHPType | historic site ⓘ |
| originalFunction |
riverside estate
ⓘ
tobacco plantation ⓘ |
| ownedBy | National Park Service ⓘ |
| partOf |
National Park Service
ⓘ
Piscataway Park ⓘ |
| state | Maryland ⓘ |
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: Marshall Hall, Maryland Description of subject: Marshall Hall, Maryland is a historic estate and former riverside plantation along the Potomac River in Prince George's County, known for its 18th-century manor house ruins and archaeological significance.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.