Philadelphia
E171
Philadelphia is a major historic U.S. city in Pennsylvania known for its role in the American Revolution, iconic landmarks like Independence Hall and the Liberty Bell, and its rich cultural and academic institutions.
All labels observed (23)
How this entity was disambiguated
This entity first appeared as the object of triple T2371 — 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: Philadelphia Context triple: [American Philosophical Society, headquartersLocation, Philadelphia]
-
A.
University City, Philadelphia
University City, Philadelphia is a vibrant West Philadelphia neighborhood known for its concentration of major universities, research institutions, and cultural venues.
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B.
Washington, D.C.
Washington, D.C. is the capital city of the United States, serving as the nation’s political center and home to its federal government institutions.
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C.
New York City
New York City is the largest city in the United States, a global center of finance, culture, media, and technology.
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D.
Arlington, Virginia
Arlington, Virginia is an urban county directly across the Potomac River from Washington, D.C., known for its dense development, federal government agencies, and landmarks such as the Pentagon and Arlington National Cemetery.
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E.
Cambridge, Massachusetts
Cambridge, Massachusetts is a historic and academically renowned city just outside Boston, best known for being home to world-leading universities and research institutions.
- 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: Philadelphia Target entity description: Philadelphia is a major historic U.S. city in Pennsylvania known for its role in the American Revolution, iconic landmarks like Independence Hall and the Liberty Bell, and its rich cultural and academic institutions.
-
A.
University City, Philadelphia
University City, Philadelphia is a vibrant West Philadelphia neighborhood known for its concentration of major universities, research institutions, and cultural venues.
-
B.
Washington, D.C.
Washington, D.C. is the capital city of the United States, serving as the nation’s political center and home to its federal government institutions.
-
C.
New York City
New York City is the largest city in the United States, a global center of finance, culture, media, and technology.
-
D.
Arlington, Virginia
Arlington, Virginia is an urban county directly across the Potomac River from Washington, D.C., known for its dense development, federal government agencies, and landmarks such as the Pentagon and Arlington National Cemetery.
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E.
Cambridge, Massachusetts
Cambridge, Massachusetts is a historic and academically renowned city just outside Boston, best known for being home to world-leading universities and research institutions.
- F. None of above. chosen
Statements (59)
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: Philadelphia Description of subject: Philadelphia is a major historic U.S. city in Pennsylvania known for its role in the American Revolution, iconic landmarks like Independence Hall and the Liberty Bell, and its rich cultural and academic institutions.
Referenced by (4,356)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Philadelphia, Pennsylvania
this entity surface form:
Philadelphia, Pennsylvania
this entity surface form:
City of Philadelphia
this entity surface form:
Philadelphia, Pennsylvania
this entity surface form:
Philadelphia, Pennsylvania, United States
this entity surface form:
Philadelphia, Pennsylvania
this entity surface form:
Philadelphia, Pennsylvania
subject surface form:
Long Gallery (Independence Hall)
subject surface form:
Long Gallery (Independence Hall)
this entity surface form:
Philadelphia, Pennsylvania
this entity surface form:
Philadelphia, Pennsylvania, United States
this entity surface form:
Philadelphia, Pennsylvania
this entity surface form:
City of Philadelphia