Pen Mar, Maryland
E487032
Pen Mar, Maryland is an unincorporated community in Washington County known historically as a mountain resort area on the Mason–Dixon Line near Blue Ridge Summit, Pennsylvania.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Pen Mar, Maryland canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5004495 — 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: Pen Mar, Maryland Context triple: [Blue Ridge Summit, Pennsylvania, hasNearbyCommunity, Pen Mar, Maryland]
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A.
Pomfret, Maryland
Pomfret, Maryland is a small unincorporated community in southern Maryland known for its rural character and historic churches.
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B.
Indian Head, Maryland
Indian Head, Maryland is a small town in Charles County known for its naval support facility and location along the Potomac River.
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C.
Westernport, Maryland
Westernport, Maryland is a small town in Allegany County known for its location along the North Branch of the Potomac River near the West Virginia border.
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D.
Seabrook, Maryland
Seabrook, Maryland is a suburban community in Prince George's County known for its residential neighborhoods and proximity to Washington, D.C.
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E.
Sinepuxent, Maryland
Sinepuxent, Maryland was a historic coastal community on Maryland’s Eastern Shore, now largely vanished, best known as the birthplace of U.S. naval hero Stephen Decatur.
- 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: Pen Mar, Maryland Target entity description: Pen Mar, Maryland is an unincorporated community in Washington County known historically as a mountain resort area on the Mason–Dixon Line near Blue Ridge Summit, Pennsylvania.
-
A.
Pomfret, Maryland
Pomfret, Maryland is a small unincorporated community in southern Maryland known for its rural character and historic churches.
-
B.
Indian Head, Maryland
Indian Head, Maryland is a small town in Charles County known for its naval support facility and location along the Potomac River.
-
C.
Westernport, Maryland
Westernport, Maryland is a small town in Allegany County known for its location along the North Branch of the Potomac River near the West Virginia border.
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D.
Seabrook, Maryland
Seabrook, Maryland is a suburban community in Prince George's County known for its residential neighborhoods and proximity to Washington, D.C.
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E.
Sinepuxent, Maryland
Sinepuxent, Maryland was a historic coastal community on Maryland’s Eastern Shore, now largely vanished, best known as the birthplace of U.S. naval hero Stephen Decatur.
- F. None of above. chosen
Statements (30)
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: Pen Mar, Maryland Description of subject: Pen Mar, Maryland is an unincorporated community in Washington County known historically as a mountain resort area on the Mason–Dixon Line near Blue Ridge Summit, Pennsylvania.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Blue Ridge Summit, Pennsylvania, United States