Extell Development Company
E861410
Extell Development Company is a prominent New York City-based real estate development firm known for luxury residential and mixed-use skyscrapers.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Extell Development Company canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10351216 — 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: Extell Development Company Context triple: [One57, developer, Extell Development Company]
-
A.
The Durst Organization
The Durst Organization is a prominent New York City–based real estate development and management company known for its portfolio of major commercial skyscrapers and sustainable office buildings.
-
B.
Rockefeller Group
Rockefeller Group is a prominent American real estate development and investment company best known for its role in developing and managing major commercial properties, including parts of Rockefeller Center in New York City.
-
C.
Forest City Ratner
Forest City Ratner is a prominent New York–based real estate development company known for major urban projects including high-profile office towers and mixed-use complexes.
-
D.
Clark Development Corporation
Clark Development Corporation is a government-owned corporation in the Philippines responsible for managing and promoting the development of the Clark Freeport and Special Economic Zone in Pampanga and nearby areas.
-
E.
Tishman Construction
Tishman Construction is a major American construction management firm known for building prominent high-rise and large-scale commercial projects, particularly in New York City.
- 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: Extell Development Company Target entity description: Extell Development Company is a prominent New York City-based real estate development firm known for luxury residential and mixed-use skyscrapers.
-
A.
The Durst Organization
The Durst Organization is a prominent New York City–based real estate development and management company known for its portfolio of major commercial skyscrapers and sustainable office buildings.
-
B.
Rockefeller Group
Rockefeller Group is a prominent American real estate development and investment company best known for its role in developing and managing major commercial properties, including parts of Rockefeller Center in New York City.
-
C.
Forest City Ratner
Forest City Ratner is a prominent New York–based real estate development company known for major urban projects including high-profile office towers and mixed-use complexes.
-
D.
Clark Development Corporation
Clark Development Corporation is a government-owned corporation in the Philippines responsible for managing and promoting the development of the Clark Freeport and Special Economic Zone in Pampanga and nearby areas.
-
E.
Tishman Construction
Tishman Construction is a major American construction management firm known for building prominent high-rise and large-scale commercial projects, particularly in New York City.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | real estate development company ⓘ |
| basedInBorough | Manhattan ⓘ |
| buildingTypeSpecialty |
mixed-use skyscrapers
ⓘ
residential skyscrapers ⓘ supertall skyscrapers ⓘ |
| businessModel |
development of luxury condominiums for sale
ⓘ
property development and sales ⓘ |
| cityOfOperation | New York City ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| focusesOn |
high-end condominium projects
ⓘ
luxury residential properties ⓘ mixed-use developments ⓘ |
| founder | Gary Barnett ⓘ |
| hasDeveloped |
Central Park Tower, one of the tallest residential buildings in the world
ⓘ
One57, an early Billionaires' Row tower on 57th Street in Manhattan ⓘ
linked to:
Billionaires' Row
|
| hasReputationFor |
developing skyline-defining towers in Manhattan
ⓘ
high-end amenities in residential projects ⓘ |
| headquartersLocation |
Manhattan
ⓘ
New York ⓘ New York City ⓘ |
| industry |
construction
ⓘ
property development ⓘ real estate ⓘ |
| keyPerson | Gary Barnett ⓘ |
| marketSegment |
high-end residential buyers
ⓘ
luxury real estate ⓘ |
| notableFor |
high-rise development in New York City
ⓘ
luxury residential skyscrapers ⓘ mixed-use skyscrapers ⓘ |
| notableProject |
Central Park Tower
ⓘ
One57 ⓘ Riverside South (New York City) ⓘ
linked to:
Riverside Park South
|
| operatesIn |
Manhattan real estate market
ⓘ
New York City real estate market ⓘ |
| project |
Central Park Tower
ⓘ
One57 ⓘ Riverside South (New York City) ⓘ
linked to:
Riverside Park South
The Aldyn ⓘ The Avery ⓘ The Lucida ⓘ The Orion ⓘ The Rushmore ⓘ |
| projectType |
condominium towers
ⓘ
hotel and residential developments ⓘ mixed-use towers ⓘ |
| regionOfOperation |
United States East Coast
ⓘ
linked to:
East Coast of the United States
|
| sector | private real estate development ⓘ |
| stateOfOperation | New York ⓘ |
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: Extell Development Company Description of subject: Extell Development Company is a prominent New York City-based real estate development firm known for luxury residential and mixed-use skyscrapers.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.