399 Park Avenue
E922807
399 Park Avenue is a prominent mid-20th-century modernist office skyscraper in Midtown Manhattan that long served as the global headquarters of Citigroup.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 399 Park Avenue canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11383391 — 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: 399 Park Avenue Context triple: [Park Avenue office towers, hasBuilding, 399 Park Avenue]
-
A.
432 Park Avenue
432 Park Avenue is a supertall residential skyscraper in Midtown Manhattan, known for its minimalist grid design and prominence among New York City's tallest buildings.
-
B.
375 Park Avenue
375 Park Avenue, also known as the Seagram Building, is a landmark modernist skyscraper in Midtown Manhattan renowned for its influential International Style architecture designed by Ludwig Mies van der Rohe and Philip Johnson.
-
C.
725 Park Avenue
725 Park Avenue is the Manhattan address that houses the Asia Society Museum, a prominent cultural institution focused on Asian art and culture.
-
D.
3 Park Avenue
3 Park Avenue is a notable New York City office and residential skyscraper designed by architect Arthur Loomis Harmon.
-
E.
240 Central Park South
240 Central Park South is a notable residential building in Manhattan, New York City, located along the southern edge of Central Park.
- 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: 399 Park Avenue Target entity description: 399 Park Avenue is a prominent mid-20th-century modernist office skyscraper in Midtown Manhattan that long served as the global headquarters of Citigroup.
-
A.
432 Park Avenue
432 Park Avenue is a supertall residential skyscraper in Midtown Manhattan, known for its minimalist grid design and prominence among New York City's tallest buildings.
-
B.
375 Park Avenue
375 Park Avenue, also known as the Seagram Building, is a landmark modernist skyscraper in Midtown Manhattan renowned for its influential International Style architecture designed by Ludwig Mies van der Rohe and Philip Johnson.
-
C.
725 Park Avenue
725 Park Avenue is the Manhattan address that houses the Asia Society Museum, a prominent cultural institution focused on Asian art and culture.
-
D.
3 Park Avenue
3 Park Avenue is a notable New York City office and residential skyscraper designed by architect Arthur Loomis Harmon.
-
E.
240 Central Park South
240 Central Park South is a notable residential building in Manhattan, New York City, located along the southern edge of Central Park.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
commercial building
ⓘ
modernist building ⓘ office skyscraper ⓘ |
| architect | Emery Roth & Sons NERFINISHED ⓘ |
| architecturalStyle |
International Style
ⓘ
Modernist architecture ⓘ |
| borough | Manhattan ⓘ |
| buildingType | office ⓘ |
| completionDate | 1961 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| developer | Emery Roth & Sons NERFINISHED ⓘ |
| floorCount | 41 ⓘ |
| formerHeadquartersOf |
Citicorp
NERFINISHED
ⓘ
Citigroup NERFINISHED ⓘ |
| formerName | Citigroup Center NERFINISHED ⓘ |
| formerOwner |
Citicorp
NERFINISHED
ⓘ
Citigroup NERFINISHED ⓘ |
| hasCoordinates | 40.7586° N, 73.9720° W ⓘ |
| hasElevatorCount | 30 ⓘ |
| hasFacadeMaterial |
aluminum
ⓘ
glass ⓘ limestone ⓘ |
| hasFloorArea | approximately 1,700,000 sq ft ⓘ |
| hasStructuralSystem | steel frame ⓘ |
| height |
179 m
ⓘ
587 ft ⓘ |
| isPartOf | Manhattan office market ⓘ |
| locatedInTimeZone | America/New_York NERFINISHED ⓘ |
| locatedOn | Park Avenue NERFINISHED ⓘ |
| location |
Manhattan
ⓘ
Midtown Manhattan NERFINISHED ⓘ New York City ⓘ |
| mainContractor | Turner Construction NERFINISHED ⓘ |
| nearbyStreet |
East 53rd Street
NERFINISHED
ⓘ
East 54th Street NERFINISHED ⓘ |
| neighborhood | Midtown Manhattan ⓘ |
| notableFor |
mid-20th-century modernist design
ⓘ
serving as long-time global headquarters of Citigroup ⓘ |
| openingDate | 1961 ⓘ |
| owner | Boston Properties NERFINISHED ⓘ |
| primaryUse | office space ⓘ |
| streetAddress | 399 Park Avenue ⓘ |
| tenant | Citigroup NERFINISHED ⓘ |
| uses |
banking offices
ⓘ
corporate offices ⓘ |
| zipCode | 10022 ⓘ |
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: 399 Park Avenue Description of subject: 399 Park Avenue is a prominent mid-20th-century modernist office skyscraper in Midtown Manhattan that long served as the global headquarters of Citigroup.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.