Washington, D.C. – Perryville, Maryland
E147594
Washington, D.C. – Perryville, Maryland is the intercity rail corridor in the Mid-Atlantic region served by MARC's Penn Line, connecting the U.S. capital with northeastern Maryland along the Amtrak Northeast Corridor.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Washington, D.C. – Perryville, Maryland canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1299303 — 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: Washington, D.C. – Perryville, Maryland Context triple: [Penn Line, route, Washington, D.C. – Perryville, Maryland]
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A.
Potomac, Maryland, United States
Potomac, Maryland, United States is an affluent suburban community near Washington, D.C., known for its large estates, high-income residents, and highly ranked public schools.
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B.
Clinton, Maryland
Clinton, 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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C.
Bethesda, Maryland
Bethesda, Maryland is a suburban community just northwest of Washington, D.C., known for its major medical and research institutions, affluent residential areas, and vibrant downtown.
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D.
Lanham, Maryland
Lanham, Maryland is a suburban community in the Washington, D.C. metropolitan area known for its residential neighborhoods and proximity to major transportation routes and federal agencies.
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E.
Camp Springs, Maryland
Camp Springs, Maryland is a suburban community in the Washington, D.C. metropolitan area known for its proximity to Joint Base Andrews and major transportation routes.
- 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: Washington, D.C. – Perryville, Maryland Target entity description: Washington, D.C. – Perryville, Maryland is the intercity rail corridor in the Mid-Atlantic region served by MARC's Penn Line, connecting the U.S. capital with northeastern Maryland along the Amtrak Northeast Corridor.
-
A.
Potomac, Maryland, United States
Potomac, Maryland, United States is an affluent suburban community near Washington, D.C., known for its large estates, high-income residents, and highly ranked public schools.
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B.
Clinton, Maryland
Clinton, 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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C.
Bethesda, Maryland
Bethesda, Maryland is a suburban community just northwest of Washington, D.C., known for its major medical and research institutions, affluent residential areas, and vibrant downtown.
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D.
Lanham, Maryland
Lanham, Maryland is a suburban community in the Washington, D.C. metropolitan area known for its residential neighborhoods and proximity to major transportation routes and federal agencies.
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E.
Camp Springs, Maryland
Camp Springs, Maryland is a suburban community in the Washington, D.C. metropolitan area known for its proximity to Joint Base Andrews and major transportation routes.
- F. None of above. chosen
Statements (25)
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: Washington, D.C. – Perryville, Maryland Description of subject: Washington, D.C. – Perryville, Maryland is the intercity rail corridor in the Mid-Atlantic region served by MARC's Penn Line, connecting the U.S. capital with northeastern Maryland along the Amtrak Northeast Corridor.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.