New Castle, Pennsylvania
E132172
New Castle, Pennsylvania is a small city in western Pennsylvania known historically for its steel and tinplate industries and as part of the greater Pittsburgh metropolitan area.
All labels observed (6)
| Label | Occurrences |
|---|---|
| New Castle, Pennsylvania canonical | 17 |
| New Castle, Pennsylvania, United States | 3 |
| City of New Castle, Pennsylvania | 2 |
| New Castle | 1 |
| New Castle Northwest, Pennsylvania | 1 |
| New Castle, Pennsylvania micropolitan area | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1025402 — 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: New Castle, Pennsylvania Context triple: [Lawrence County, countySeat, New Castle, Pennsylvania]
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A.
New Castle
New Castle is a historic riverfront city in northern Delaware known for its well-preserved colonial architecture and role as an early center of government in the state.
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B.
Carlisle, Pennsylvania
Carlisle, Pennsylvania is a historic borough in south-central Pennsylvania known for its role in the American Revolutionary War, its colonial heritage, and as the home of Dickinson College and the U.S. Army War College.
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C.
Harrisburg, Pennsylvania
Harrisburg, Pennsylvania is the capital city of the U.S. state of Pennsylvania, located along the Susquehanna River and known historically as a major transportation and industrial hub.
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D.
Braddock, Pennsylvania
Braddock, Pennsylvania is a historic industrial town near Pittsburgh best known as the site of Andrew Carnegie’s first steel mill and a key early center of the American steel industry.
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E.
Lancaster, Pennsylvania
Lancaster, Pennsylvania is a historic city in south-central Pennsylvania known for its rich colonial heritage, proximity to Amish communities, and role as the longtime home of U.S. President James Buchanan.
- 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: New Castle, Pennsylvania Target entity description: New Castle, Pennsylvania is a small city in western Pennsylvania known historically for its steel and tinplate industries and as part of the greater Pittsburgh metropolitan area.
-
A.
New Castle
New Castle is a historic riverfront city in northern Delaware known for its well-preserved colonial architecture and role as an early center of government in the state.
-
B.
Carlisle, Pennsylvania
Carlisle, Pennsylvania is a historic borough in south-central Pennsylvania known for its role in the American Revolutionary War, its colonial heritage, and as the home of Dickinson College and the U.S. Army War College.
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C.
Harrisburg, Pennsylvania
Harrisburg, Pennsylvania is the capital city of the U.S. state of Pennsylvania, located along the Susquehanna River and known historically as a major transportation and industrial hub.
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D.
Braddock, Pennsylvania
Braddock, Pennsylvania is a historic industrial town near Pittsburgh best known as the site of Andrew Carnegie’s first steel mill and a key early center of the American steel industry.
-
E.
Lancaster, Pennsylvania
Lancaster, Pennsylvania is a historic city in south-central Pennsylvania known for its rich colonial heritage, proximity to Amish communities, and role as the longtime home of U.S. President James Buchanan.
- F. None of above. chosen
Statements (48)
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: New Castle, Pennsylvania Description of subject: New Castle, Pennsylvania is a small city in western Pennsylvania known historically for its steel and tinplate industries and as part of the greater Pittsburgh metropolitan area.
Referenced by (25)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
City of New Castle, Pennsylvania
this entity surface form:
New Castle
this entity surface form:
New Castle, Pennsylvania micropolitan area
this entity surface form:
New Castle, Pennsylvania, United States
this entity surface form:
New Castle, Pennsylvania, United States
this entity surface form:
New Castle, Pennsylvania, United States
this entity surface form:
City of New Castle, Pennsylvania
this entity surface form:
New Castle Northwest, Pennsylvania