Protractor Series
E462187
Protractor Series is a celebrated group of large, brightly colored, geometrically patterned paintings by Frank Stella that exemplify his exploration of shaped canvases and hard-edge abstraction in the late 1960s.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Protractor series | 2 |
| Protractor Series canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4705339 — 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: Protractor Series Context triple: [Frank Stella, notableWork, Protractor Series]
-
A.
Spektr
Spektr was a Russian-built science module of the Mir space station, primarily used for Earth observation and housing U.S. research equipment during the Shuttle–Mir program.
-
B.
MCP series
The MCP series is a line of Motorola VMEbus-based computer systems designed for embedded and industrial computing applications.
-
C.
Prowlers
Prowlers is the short name for the Port Huron Prowlers, a professional ice hockey team based in Port Huron, Michigan.
-
D.
Série 4000
Série 4000 is a class of high-speed electric multiple unit trains used by Comboios de Portugal for its Alfa Pendular premium intercity services.
-
E.
Micronaut
Micronaut is a modern JVM-based framework designed for building lightweight, modular microservices and serverless applications with fast startup time and low memory usage.
- 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: Protractor Series Target entity description: Protractor Series is a celebrated group of large, brightly colored, geometrically patterned paintings by Frank Stella that exemplify his exploration of shaped canvases and hard-edge abstraction in the late 1960s.
-
A.
Spektr
Spektr was a Russian-built science module of the Mir space station, primarily used for Earth observation and housing U.S. research equipment during the Shuttle–Mir program.
-
B.
MCP series
The MCP series is a line of Motorola VMEbus-based computer systems designed for embedded and industrial computing applications.
-
C.
Prowlers
Prowlers is the short name for the Port Huron Prowlers, a professional ice hockey team based in Port Huron, Michigan.
-
D.
Série 4000
Série 4000 is a class of high-speed electric multiple unit trains used by Comboios de Portugal for its Alfa Pendular premium intercity services.
-
E.
Micronaut
Micronaut is a modern JVM-based framework designed for building lightweight, modular microservices and serverless applications with fast startup time and low memory usage.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
abstract art series
ⓘ
painting series ⓘ |
| artHistoricalSignificance |
challenged conventional rectangular picture format
ⓘ
exemplifies large-scale, color-intensive abstraction ⓘ marks Stella’s transition from rectilinear to curvilinear shaped canvases ⓘ |
| colorPalette |
contrasting bands of color
ⓘ
high-key colors ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| creator | Frank Stella ⓘ |
| depicts | non-representational forms ⓘ |
| exhibitedAt |
Metropolitan Museum of Art
ⓘ
Museum of Modern Art, New York ⓘ
linked to:
Museum of Modern Art
Tate Modern ⓘ Whitney Museum of American Art ⓘ |
| follows |
Black Paintings
ⓘ
linked to:
The Black Paintings
Irregular Polygon series ⓘ
linked to:
Irregular Polygons series
|
| genre | hard-edge abstraction ⓘ |
| hasCharacteristic |
brightly colored
ⓘ
curvilinear forms ⓘ geometrically patterned ⓘ interlocking arcs ⓘ large scale ⓘ modular compositions ⓘ symmetry ⓘ |
| hasPart |
multi-panel paintings
ⓘ
shaped supports ⓘ |
| inception |
1967
ⓘ
late 1960s ⓘ |
| influenced | late 20th-century abstract painting ⓘ |
| inspiredBy |
Islamic architectural motifs
ⓘ
Middle Eastern tile patterns ⓘ circular geometry ⓘ protractor shape ⓘ |
| movement |
Color field painting
ⓘ
linked to:
Color Field painting
Minimalism ⓘ Post-painterly abstraction ⓘ
linked to:
post-painterly abstraction
|
| notableWork |
Damascus Gate (Stretch Variation)
ⓘ
linked to:
Damascus Gate
Firuzabad ⓘ Harran II ⓘ Kufa Gate ⓘ Sinjerli I ⓘ |
| notableWorkOf | Frank Stella ⓘ |
| partOf | Frank Stella’s shaped canvas works ⓘ |
| period | late 1960s American art ⓘ |
| usesTechnique |
acrylic paint
ⓘ
geometric abstraction ⓘ hard-edge painting ⓘ shaped canvas ⓘ |
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: Protractor Series Description of subject: Protractor Series is a celebrated group of large, brightly colored, geometrically patterned paintings by Frank Stella that exemplify his exploration of shaped canvases and hard-edge abstraction in the late 1960s.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.