Penobscot Building
E634365
The Penobscot Building is a historic Art Deco skyscraper and former tallest building in Detroit, prominently defining the city’s downtown skyline.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Penobscot Building canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7003657 — 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: Penobscot Building Context triple: [Downtown Detroit, hasLandmark, Penobscot Building]
-
A.
Monadnock Building
The Monadnock Building is a landmark late-19th-century Chicago skyscraper renowned for its massive load-bearing brick walls and its role in the development of modern high-rise architecture.
-
B.
Old Colony Building
The Old Colony Building is a historic Chicago skyscraper recognized as a significant example of late 19th-century commercial architecture.
-
C.
Boston City Hall
Boston City Hall is a prominent example of Brutalist civic architecture in downtown Boston that houses the city’s municipal government offices and council chambers.
-
D.
Davis Building
The Davis Building is a facility located on the campus of the University of Texas at Martin (UTM), used for academic and institutional purposes.
-
E.
Lowell City Hall
Lowell City Hall is the historic municipal government building serving as the administrative and civic center of the city of Lowell, Massachusetts.
- 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: Penobscot Building Target entity description: The Penobscot Building is a historic Art Deco skyscraper and former tallest building in Detroit, prominently defining the city’s downtown skyline.
-
A.
Monadnock Building
The Monadnock Building is a landmark late-19th-century Chicago skyscraper renowned for its massive load-bearing brick walls and its role in the development of modern high-rise architecture.
-
B.
Old Colony Building
The Old Colony Building is a historic Chicago skyscraper recognized as a significant example of late 19th-century commercial architecture.
-
C.
Boston City Hall
Boston City Hall is a prominent example of Brutalist civic architecture in downtown Boston that houses the city’s municipal government offices and council chambers.
-
D.
Davis Building
The Davis Building is a facility located on the campus of the University of Texas at Martin (UTM), used for academic and institutional purposes.
-
E.
Lowell City Hall
Lowell City Hall is the historic municipal government building serving as the administrative and civic center of the city of Lowell, Massachusetts.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf | skyscraper ⓘ |
| architect | Wirt C. Rowland NERFINISHED ⓘ |
| architecturalFirm | Smith Hinchman & Grylls NERFINISHED ⓘ |
| architecturalStyle | Art Deco ⓘ |
| city | Detroit NERFINISHED ⓘ |
| completionDate | 1928 ⓘ |
| complexIncludes | earlier Penobscot buildings on the same block ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| floorCount | 47 ⓘ |
| formerTallestBuildingIn |
Detroit
NERFINISHED
ⓘ
Michigan NERFINISHED ⓘ |
| function | office space ⓘ |
| hasAlternateName | Penobscot Building (1928 tower) NERFINISHED ⓘ |
| hasElevatorCount | multiple elevators ⓘ |
| hasFeature |
Native American–inspired decorative motifs
ⓘ
antenna mast ⓘ ornamental lighting ⓘ setback tower design ⓘ |
| hasObservationFeature | upper-story views of downtown Detroit ⓘ |
| height |
172.5 m
ⓘ
566 ft ⓘ |
| historicDesignation | contributing property to the Detroit Financial District Historic District ⓘ |
| isLandmarkOf | Detroit skyline ⓘ |
| locatedIn |
Detroit
NERFINISHED
ⓘ
Michigan NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| locatedInHistoricDistrict | Detroit Financial District Historic District NERFINISHED ⓘ |
| material |
brick
ⓘ
granite ⓘ limestone ⓘ steel frame ⓘ |
| namedAfter |
Penobscot Native American tribe
NERFINISHED
ⓘ
Penobscot River NERFINISHED ⓘ |
| neighborhood | Downtown Detroit NERFINISHED ⓘ |
| openingDate | 1928 ⓘ |
| owner | private owner ⓘ |
| partOf | Penobscot Block NERFINISHED ⓘ |
| replacedAsTallestBy | One Detroit Center NERFINISHED ⓘ |
| roofHeight | 566 ft ⓘ |
| significantPeriod | early 20th century ⓘ |
| status | completed ⓘ |
| streetAddress | 645 Griswold Street ⓘ |
| stylePeriod | 1920s Art Deco ⓘ |
| use | commercial offices ⓘ |
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: Penobscot Building Description of subject: The Penobscot Building is a historic Art Deco skyscraper and former tallest building in Detroit, prominently defining the city’s downtown skyline.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.