Hart Plaza
E399444
Hart Plaza is a prominent riverfront public square and event space in downtown Detroit, Michigan, known for hosting festivals, concerts, and civic gatherings along the Detroit River.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Hart Plaza canonical | 6 |
| Philip A. Hart Plaza | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3931178 — 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: Hart Plaza Context triple: [Cobo Center, near, Hart Plaza]
-
A.
People’s Plaza
People’s Plaza is a popular open-air recreational and event space located along the shores of Hyderabad’s Hussain Sagar Lake, known for public gatherings, cultural programs, and leisure activities.
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B.
Burnett Plaza
Burnett Plaza is a prominent modernist office skyscraper and one of the tallest and most recognizable buildings in Fort Worth, Texas.
-
C.
Courthouse Plaza
Courthouse Plaza is a historic central square in downtown Prescott, Arizona, known as a social, cultural, and civic hub surrounded by shops, restaurants, and the iconic Yavapai County Courthouse.
-
D.
Sproul Plaza
Sproul Plaza is the central public square of UC Berkeley’s campus, historically renowned as a focal point for student activism and free speech movements.
-
E.
Civic Center Plaza
Civic Center Plaza is a large public square in San Francisco’s Civic Center district that serves as a central gathering space for civic events, protests, and community activities.
- 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: Hart Plaza Target entity description: Hart Plaza is a prominent riverfront public square and event space in downtown Detroit, Michigan, known for hosting festivals, concerts, and civic gatherings along the Detroit River.
-
A.
People’s Plaza
People’s Plaza is a popular open-air recreational and event space located along the shores of Hyderabad’s Hussain Sagar Lake, known for public gatherings, cultural programs, and leisure activities.
-
B.
Burnett Plaza
Burnett Plaza is a prominent modernist office skyscraper and one of the tallest and most recognizable buildings in Fort Worth, Texas.
-
C.
Courthouse Plaza
Courthouse Plaza is a historic central square in downtown Prescott, Arizona, known as a social, cultural, and civic hub surrounded by shops, restaurants, and the iconic Yavapai County Courthouse.
-
D.
Sproul Plaza
Sproul Plaza is the central public square of UC Berkeley’s campus, historically renowned as a focal point for student activism and free speech movements.
-
E.
Civic Center Plaza
Civic Center Plaza is a large public square in San Francisco’s Civic Center district that serves as a central gathering space for civic events, protests, and community activities.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
event venue
ⓘ
public square ⓘ tourist attraction ⓘ urban park ⓘ |
| adjacentTo |
Detroit riverfront
ⓘ
surface form:
Detroit Riverwalk
Renaissance Center ⓘ
surface form:
GM Renaissance Center
|
| coordinates | 42.329°N 83.044°W ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasArtwork | sculptural installations ⓘ |
| hasCapacity | tens of thousands of people ⓘ |
| hasFeature |
amphitheater
ⓘ
large central fountain ⓘ monuments ⓘ open paved plaza ⓘ riverfront promenade ⓘ sculptures ⓘ |
| inception | 1975 ⓘ |
| locatedOn | Detroit River ⓘ |
| location |
Detroit
ⓘ
Downtown Detroit ⓘ Michigan ⓘ United States of America ⓘ
surface form:
United States
Wayne County, Michigan ⓘ |
| namedAfter |
Philip Hart
ⓘ
surface form:
Philip A. Hart
|
| near |
Cobo Center
ⓘ
Detroit–Windsor Tunnel ⓘ
surface form:
Detroit–Windsor Tunnel entrance
Downtown Detroit ⓘ
surface form:
Downtown Detroit financial district
|
| notableFor |
major summer festivals
ⓘ
riverfront skyline views ⓘ role in Detroit civic life ⓘ |
| officialName |
Hart Plaza
self-linksurface differs
ⓘ
surface form:
Philip A. Hart Plaza
|
| openingDate | 1975 ⓘ |
| operator |
Detroit
ⓘ
surface form:
City of Detroit
|
| ownedBy |
Detroit
ⓘ
surface form:
City of Detroit
|
| partOf | Detroit riverfront ⓘ |
| publicAccess | yes ⓘ |
| region | Midwestern United States ⓘ |
| surface | primarily concrete ⓘ |
| usedFor |
civic gatherings
ⓘ
concerts ⓘ cultural events ⓘ festivals ⓘ fireworks viewing ⓘ public demonstrations ⓘ |
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: Hart Plaza Description of subject: Hart Plaza is a prominent riverfront public square and event space in downtown Detroit, Michigan, known for hosting festivals, concerts, and civic gatherings along the Detroit River.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Philip A. Hart Plaza