Granite City Works steel mill
E683612
Granite City Works steel mill is a major integrated steel production facility in Granite City, Illinois, known for manufacturing flat-rolled steel products for various industrial markets.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Granite City Works steel mill canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7711713 — 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: Granite City Works steel mill Context triple: [Granite City, Illinois, hasIndustrialFacility, Granite City Works steel mill]
-
A.
U.S. Steel Gary Works complex
The U.S. Steel Gary Works complex is a major integrated steel production facility in Gary, Indiana, historically one of the largest steel mills in the world and a cornerstone of American heavy industry.
-
B.
Homestead Steel Works
Homestead Steel Works was a major 19th- and early 20th-century steel mill near Pittsburgh, Pennsylvania, best known as a centerpiece of Andrew Carnegie’s steel empire and the site of the 1892 Homestead Strike, a pivotal event in U.S. labor history.
-
C.
Pueblo steel mills
Pueblo steel mills are a historic industrial complex in Pueblo, Colorado, that formed the backbone of the city’s steel production and economic development.
-
D.
Alloy Steel Plant
Alloy Steel Plant is a major steel manufacturing facility located in Durgapur, India, known for producing specialized alloy and special steels for industrial and strategic applications.
-
E.
Great Lakes steel mills
Great Lakes steel mills are large industrial facilities located along the Great Lakes that process iron ore into steel for use in manufacturing, construction, and automotive production across North America.
- 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: Granite City Works steel mill Target entity description: Granite City Works steel mill is a major integrated steel production facility in Granite City, Illinois, known for manufacturing flat-rolled steel products for various industrial markets.
-
A.
U.S. Steel Gary Works complex
The U.S. Steel Gary Works complex is a major integrated steel production facility in Gary, Indiana, historically one of the largest steel mills in the world and a cornerstone of American heavy industry.
-
B.
Homestead Steel Works
Homestead Steel Works was a major 19th- and early 20th-century steel mill near Pittsburgh, Pennsylvania, best known as a centerpiece of Andrew Carnegie’s steel empire and the site of the 1892 Homestead Strike, a pivotal event in U.S. labor history.
-
C.
Pueblo steel mills
Pueblo steel mills are a historic industrial complex in Pueblo, Colorado, that formed the backbone of the city’s steel production and economic development.
-
D.
Alloy Steel Plant
Alloy Steel Plant is a major steel manufacturing facility located in Durgapur, India, known for producing specialized alloy and special steels for industrial and strategic applications.
-
E.
Great Lakes steel mills
Great Lakes steel mills are large industrial facilities located along the Great Lakes that process iron ore into steel for use in manufacturing, construction, and automotive production across North America.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
industrial facility
ⓘ
steel mill ⓘ |
| city | Granite City NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| employmentType | unionized workforce ⓘ |
| hasEnvironmentalImpact |
air emissions
ⓘ
industrial waste ⓘ water usage ⓘ |
| hasFacility |
basic oxygen furnace
ⓘ
blast furnace ⓘ finishing lines ⓘ hot strip mill ⓘ steelmaking shop ⓘ |
| industry | steel industry ⓘ |
| locatedIn |
Granite City, Illinois
NERFINISHED
ⓘ
Illinois ⓘ Madison County, Illinois NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| market | North American steel market ⓘ |
| near | St. Louis, Missouri metropolitan area NERFINISHED ⓘ |
| operator | U.S. Steel NERFINISHED ⓘ |
| ownedBy | U.S. Steel NERFINISHED ⓘ |
| process |
coating
ⓘ
continuous casting ⓘ ironmaking ⓘ rolling ⓘ steelmaking ⓘ |
| product |
coated steel
ⓘ
coil steel ⓘ cold-rolled steel ⓘ flat-rolled steel ⓘ hot-rolled steel ⓘ sheet steel ⓘ |
| role |
major regional employer
ⓘ
supplier of flat-rolled steel to industrial markets ⓘ |
| servesIndustry |
appliance industry
ⓘ
automotive industry ⓘ construction industry ⓘ energy industry ⓘ |
| state | Illinois ⓘ |
| transportInfrastructure |
highway access
ⓘ
rail access ⓘ river barge access ⓘ |
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: Granite City Works steel mill Description of subject: Granite City Works steel mill is a major integrated steel production facility in Granite City, Illinois, known for manufacturing flat-rolled steel products for various industrial markets.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.