William K. Vanderbilt House (Petit Château), New York
E17348
The William K. Vanderbilt House, or "Petit Château," was an opulent French Renaissance–style mansion on New York’s Fifth Avenue, famed as a Gilded Age showpiece of wealth and architectural grandeur.
All labels observed (5)
How this entity was disambiguated
This entity first appeared as the object of triple T143028 — 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: William K. Vanderbilt House (Petit Château), New York Context triple: [Richard Morris Hunt, notableWork, William K. Vanderbilt House (Petit Château), New York]
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A.
Vaile Mansion
Vaile Mansion is a historic 19th-century Victorian estate in Independence, Missouri, renowned for its ornate architecture and role as a prominent local landmark.
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B.
Vanderbilt Mansion National Historic Site
Vanderbilt Mansion National Historic Site is a preserved Gilded Age estate and grand Beaux-Arts mansion along the Hudson River that showcases the opulent lifestyle of the Vanderbilt family.
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C.
Biltmore Estate
Biltmore Estate is a grand Gilded Age mansion and estate in Asheville, North Carolina, renowned as the largest privately owned house in the United States and a landmark of American architecture and landscape design.
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D.
Griswold Hall
Griswold Hall is an academic and administrative building at Harvard Law School that houses faculty offices, classrooms, and legal research facilities.
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E.
Olana State Historic Site
Olana State Historic Site is the former home and Persian-inspired hilltop estate of Hudson River School painter Frederic Edwin Church, now preserved as a museum and landscape overlooking the Hudson River.
- 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: William K. Vanderbilt House (Petit Château), New York Target entity description: The William K. Vanderbilt House, or "Petit Château," was an opulent French Renaissance–style mansion on New York’s Fifth Avenue, famed as a Gilded Age showpiece of wealth and architectural grandeur.
-
A.
Vaile Mansion
Vaile Mansion is a historic 19th-century Victorian estate in Independence, Missouri, renowned for its ornate architecture and role as a prominent local landmark.
-
B.
Vanderbilt Mansion National Historic Site
Vanderbilt Mansion National Historic Site is a preserved Gilded Age estate and grand Beaux-Arts mansion along the Hudson River that showcases the opulent lifestyle of the Vanderbilt family.
-
C.
Biltmore Estate
Biltmore Estate is a grand Gilded Age mansion and estate in Asheville, North Carolina, renowned as the largest privately owned house in the United States and a landmark of American architecture and landscape design.
-
D.
Griswold Hall
Griswold Hall is an academic and administrative building at Harvard Law School that houses faculty offices, classrooms, and legal research facilities.
-
E.
Olana State Historic Site
Olana State Historic Site is the former home and Persian-inspired hilltop estate of Hudson River School painter Frederic Edwin Church, now preserved as a museum and landscape overlooking the Hudson River.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Gilded Age mansion
ⓘ
demolished building ⓘ mansion ⓘ |
| alsoKnownAs |
Petit Château
ⓘ
William K. Vanderbilt House (Petit Château), New York ⓘ
surface form:
William Kissam Vanderbilt House
|
| architect | Richard Morris Hunt ⓘ |
| architecturalStyle |
Châteauesque
ⓘ
French Renaissance Revival ⓘ |
| associatedWith |
New York high society
ⓘ
Vanderbilt family ⓘ |
| borough | Manhattan ⓘ |
| city | New York City ⓘ |
| client |
Alva Erskine Vanderbilt
ⓘ
William Kissam Vanderbilt ⓘ |
| completionDate | 1882 ⓘ |
| constructionStart | 1878 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| culturalSignificance | symbol of New York Gilded Age opulence ⓘ |
| demolitionDate | 1926 ⓘ |
| era | Gilded Age ⓘ |
| famousFor |
display of extreme wealth and social status
ⓘ
influential French Renaissance–style design on Fifth Avenue ⓘ |
| floorCount | 4 ⓘ |
| hasFeature |
art gallery
ⓘ
ballroom ⓘ carved stone ornamentation ⓘ corner turret ⓘ formal drawing rooms ⓘ ornate dormer windows ⓘ |
| hostedEvent | 1883 fancy-dress ball organized by Alva Vanderbilt ⓘ |
| inspiredBy | French châteaux of the Loire Valley ⓘ |
| interiorDesigner | Jules Allard et Fils ⓘ |
| locatedOn | Fifth Avenue ⓘ |
| locationDescription | northwest corner of Fifth Avenue and East 52nd Street ⓘ |
| material | stone ⓘ |
| neighborhood | Midtown Manhattan ⓘ |
| notableFeature |
art-filled reception rooms
ⓘ
elaborate stone façade ⓘ grand staircase ⓘ lavish French-style interiors ⓘ |
| openingDate | 1882 ⓘ |
| partOf |
William K. Vanderbilt House (Petit Château), New York
self-linksurface differs
ⓘ
surface form:
Vanderbilt family residences on Fifth Avenue
|
| replacedBy | commercial office building ⓘ |
| roofType | steeply pitched slate roof ⓘ |
| streetAddress | 660 Fifth Avenue (historic numbering) ⓘ |
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: William K. Vanderbilt House (Petit Château), New York Description of subject: The William K. Vanderbilt House, or "Petit Château," was an opulent French Renaissance–style mansion on New York’s Fifth Avenue, famed as a Gilded Age showpiece of wealth and architectural grandeur.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
William K. Vanderbilt House (Petit Château), New York
→
alsoKnownAs
→
William K. Vanderbilt House (Petit Château), New York
ⓘ
subject surface form:
William K. Vanderbilt House
this entity surface form:
William Kissam Vanderbilt House
William K. Vanderbilt House (Petit Château), New York
→
partOf
→
William K. Vanderbilt House (Petit Château), New York
self-linksurface differs
ⓘ
subject surface form:
William K. Vanderbilt House
this entity surface form:
Vanderbilt family residences on Fifth Avenue
this entity surface form:
William K. Vanderbilt House
Vanderbilt costume ball of 1883
→
architecturalContext
→
William K. Vanderbilt House (Petit Château), New York
ⓘ
this entity surface form:
William K. Vanderbilt House designed by Richard Morris Hunt