Alcoa aluminum plant (now Arconic) in the Quad Cities area
E847570
The Alcoa aluminum plant, now operated by Arconic in the Quad Cities area, is a major aluminum rolling and manufacturing facility that plays a key role in regional industry and employment.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Alcoa aluminum plant (now Arconic) in the Quad Cities area canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10202586 — 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: Alcoa aluminum plant (now Arconic) in the Quad Cities area Context triple: [Riverdale, Iowa, hasIndustrialFacility, Alcoa aluminum plant (now Arconic) in the Quad Cities area]
-
A.
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.
-
B.
Kansas City Plant
Kansas City Plant is a U.S. Department of Energy nuclear security facility in Kansas City, Missouri, responsible for manufacturing and procuring non-nuclear components for the nation’s nuclear weapons stockpile.
-
C.
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.
-
D.
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.
-
E.
Rio Tinto aluminum smelter
The Rio Tinto aluminum smelter is a large industrial facility in Kitimat, British Columbia, that processes alumina into primary aluminum for global markets.
- 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: Alcoa aluminum plant (now Arconic) in the Quad Cities area Target entity description: The Alcoa aluminum plant, now operated by Arconic in the Quad Cities area, is a major aluminum rolling and manufacturing facility that plays a key role in regional industry and employment.
-
A.
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.
-
B.
Kansas City Plant
Kansas City Plant is a U.S. Department of Energy nuclear security facility in Kansas City, Missouri, responsible for manufacturing and procuring non-nuclear components for the nation’s nuclear weapons stockpile.
-
C.
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.
-
D.
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.
-
E.
Rio Tinto aluminum smelter
The Rio Tinto aluminum smelter is a large industrial facility in Kitimat, British Columbia, that processes alumina into primary aluminum for global markets.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
aluminum manufacturing plant
ⓘ
industrial facility ⓘ |
| activity |
aluminum manufacturing
ⓘ
aluminum rolling ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| currentOperator | Arconic ⓘ |
| economicImpact | significant for Quad Cities area ⓘ |
| employmentRole | provides manufacturing jobs ⓘ |
| formerName | Alcoa aluminum plant ⓘ |
| formerOperator | Alcoa ⓘ |
| hasFacilityType |
fabrication plant
ⓘ
rolling mill ⓘ |
| importance |
key contributor to regional industry
ⓘ
key employer in Quad Cities area ⓘ |
| industry | aluminum industry ⓘ |
| locatedIn |
Iowa
ⓘ
Quad Cities area ⓘ
linked to:
Quad Cities metropolitan area
|
| materialProcessed | aluminum ⓘ |
| operatedBy |
Arconic
ⓘ
linked to:
Alcoa
|
| partOf | regional manufacturing base ⓘ |
| product |
fabricated aluminum components
ⓘ
rolled aluminum products ⓘ |
| role |
key regional industrial facility
ⓘ
major regional employer ⓘ |
| sector | manufacturing sector ⓘ |
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: Alcoa aluminum plant (now Arconic) in the Quad Cities area Description of subject: The Alcoa aluminum plant, now operated by Arconic in the Quad Cities area, is a major aluminum rolling and manufacturing facility that plays a key role in regional industry and employment.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
Riverdale, Iowa
→
hasIndustrialFacility
→
Alcoa aluminum plant (now Arconic) in the Quad Cities area
ⓘ