Helmsley Building
E621740
The Helmsley Building is a landmark Beaux-Arts skyscraper in Midtown Manhattan, notable for straddling Park Avenue just north of Grand Central Terminal.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Helmsley Building canonical | 6 |
How this entity was disambiguated
This entity first appeared as the object of triple T6817090 — 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: Helmsley Building Context triple: [Park Avenue, hasNotableBuilding, Helmsley Building]
-
A.
William Stone Building
The William Stone Building is a prominent modernist residential and teaching block at Peterhouse, Cambridge, known for its distinctive architectural style and views over the college gardens.
-
B.
Hugh Aston Building
The Hugh Aston Building is a major academic facility at De Montfort University in Leicester, primarily housing the university’s business and law schools.
-
C.
Broadgate Tower
Broadgate Tower is a prominent modern skyscraper in the City of London, known for its glass-and-steel design and role as a major office building within the Broadgate development.
-
D.
Harry Fairhurst Building
The Harry Fairhurst Building is a modern study and learning facility at the University of York, offering flexible workspaces and IT resources for students.
-
E.
Sykes Building
The Sykes Building is a prominent cylindrical office skyscraper in downtown Tampa, Florida, best known for its distinctive LED-lit crown that dominates the city’s skyline.
- 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: Helmsley Building Target entity description: The Helmsley Building is a landmark Beaux-Arts skyscraper in Midtown Manhattan, notable for straddling Park Avenue just north of Grand Central Terminal.
-
A.
William Stone Building
The William Stone Building is a prominent modernist residential and teaching block at Peterhouse, Cambridge, known for its distinctive architectural style and views over the college gardens.
-
B.
Hugh Aston Building
The Hugh Aston Building is a major academic facility at De Montfort University in Leicester, primarily housing the university’s business and law schools.
-
C.
Broadgate Tower
Broadgate Tower is a prominent modern skyscraper in the City of London, known for its glass-and-steel design and role as a major office building within the Broadgate development.
-
D.
Harry Fairhurst Building
The Harry Fairhurst Building is a modern study and learning facility at the University of York, offering flexible workspaces and IT resources for students.
-
E.
Sykes Building
The Sykes Building is a prominent cylindrical office skyscraper in downtown Tampa, Florida, best known for its distinctive LED-lit crown that dominates the city’s skyline.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Beaux-Arts building
ⓘ
landmark ⓘ skyscraper ⓘ |
| architect |
Warren
ⓘ
Warren & Wetmore ⓘ
linked to:
Warren and Wetmore
Wetmore ⓘ |
| architecturalStyle |
Beaux-Arts
ⓘ
Classical Revival ⓘ |
| cityLandmarkStatus | New York City Landmark ⓘ |
| constructionStartYear | 1927 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| developer | New York Central Railroad ⓘ |
| floorCount | 34 ⓘ |
| formerlyKnownAs |
New York Central Building
ⓘ
New York Central Railroad Building ⓘ
linked to:
New York Central Building
|
| hasAlternateAddress | 230 Park Ave, New York, NY 10169 ⓘ |
| hasClock | yes ⓘ |
| hasFeature |
arched vehicular passageways for Park Avenue traffic
ⓘ
ornate crown with cupola ⓘ sculptural ornamentation ⓘ symmetrical façades ⓘ |
| hasUse |
commercial offices
ⓘ
retail space ⓘ |
| height |
approximately 173 meters
ⓘ
approximately 566 feet ⓘ |
| landmarkDesignationYear | 1987 ⓘ |
| locatedInTimeZone | Eastern Time Zone ⓘ |
| locatedNorthOf | Grand Central Terminal ⓘ |
| location |
Manhattan
ⓘ
Midtown Manhattan ⓘ New York City ⓘ |
| material |
brick
ⓘ
limestone ⓘ masonry ⓘ terra cotta ⓘ |
| near |
Grand Central Terminal
ⓘ
MetLife Building ⓘ |
| notableFor |
Beaux-Arts detailing
ⓘ
gateway effect for northbound Park Avenue traffic ⓘ straddling Park Avenue ⓘ |
| owner | RXR Realty ⓘ |
| partOf | Park Avenue corridor ⓘ |
| roofType | pyramidal roof with lantern ⓘ |
| straddles | Park Avenue ⓘ |
| streetAddress | 230 Park Avenue ⓘ |
| yearCompleted | 1929 ⓘ |
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: Helmsley Building Description of subject: The Helmsley Building is a landmark Beaux-Arts skyscraper in Midtown Manhattan, notable for straddling Park Avenue just north of Grand Central Terminal.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.