Blackwell House
E92127
Blackwell House is a historic 18th-century farmhouse on Roosevelt Island in New York City, recognized as one of the island’s oldest surviving buildings.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Blackwell House canonical | 8 |
How this entity was disambiguated
This entity first appeared as the object of triple T733176 — 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: Blackwell House Context triple: [Roosevelt Island, hasStructure, Blackwell House]
-
A.
Latimer House
Latimer House is a historic country house in Buckinghamshire, England, notable as the site where the Commonwealth’s Latimer House Principles on the separation of powers were drafted.
-
B.
Baynard House
Baynard House is a large Brutalist office and telecommunications building in the City of London, notable for its imposing concrete design and riverside location near Blackfriars.
-
C.
Henry House
Henry House is a historic home and key landmark on the Manassas National Battlefield in Virginia, associated with major Civil War fighting.
-
D.
York House
York House is a historic wing within the St James's Palace complex in central London, traditionally associated with members of the British royal family.
-
E.
Regent House
Regent House is the principal governing body of the University of Cambridge, comprising its senior academic and administrative staff who make key decisions on university policy and governance.
- 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: Blackwell House Target entity description: Blackwell House is a historic 18th-century farmhouse on Roosevelt Island in New York City, recognized as one of the island’s oldest surviving buildings.
-
A.
Latimer House
Latimer House is a historic country house in Buckinghamshire, England, notable as the site where the Commonwealth’s Latimer House Principles on the separation of powers were drafted.
-
B.
Baynard House
Baynard House is a large Brutalist office and telecommunications building in the City of London, notable for its imposing concrete design and riverside location near Blackfriars.
-
C.
Henry House
Henry House is a historic home and key landmark on the Manassas National Battlefield in Virginia, associated with major Civil War fighting.
-
D.
York House
York House is a historic wing within the St James's Palace complex in central London, traditionally associated with members of the British royal family.
-
E.
Regent House
Regent House is the principal governing body of the University of Cambridge, comprising its senior academic and administrative staff who make key decisions on university policy and governance.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
farmhouse
ⓘ
historic house ⓘ landmark ⓘ |
| architecturalStyle | Colonial architecture ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasAlternativeName |
Blackwell Farmhouse
ⓘ
Blackwell House on Roosevelt Island ⓘ |
| hasFunction |
community space
ⓘ
museum space ⓘ |
| hasHistoricSignificance | example of early rural architecture in what is now New York City ⓘ |
| hasNameOrigin | Blackwell family ⓘ |
| heritageDesignation |
New York City Landmark
ⓘ
listed on the National Register of Historic Places ⓘ |
| inception | 18th century ⓘ |
| isOnIsland | Roosevelt Island ⓘ |
| locatedIn |
New York City
ⓘ
New York ⓘ
surface form:
New York State
Roosevelt Island ⓘ United States of America ⓘ
surface form:
United States
|
| locatedInBorough | Manhattan ⓘ |
| locatedOn | East River ⓘ |
| material |
stone
ⓘ
wood ⓘ |
| notableFor | being one of the oldest surviving buildings on Roosevelt Island ⓘ |
| openToPublic | true ⓘ |
| ownedBy |
New York City
ⓘ
surface form:
City of New York
|
| partOf |
Roosevelt Island
ⓘ
surface form:
Roosevelt Island Historical Sites
|
| use |
historic site
ⓘ
residential building ⓘ |
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: Blackwell House Description of subject: Blackwell House is a historic 18th-century farmhouse on Roosevelt Island in New York City, recognized as one of the island’s oldest surviving buildings.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.