Potomac River crossings toward Washington, D.C.
E107981
Potomac River crossings toward Washington, D.C. are a series of bridges and routes that carry traffic over the Potomac River between Virginia, Maryland, and the District of Columbia, serving as key commuter and transportation links into the nation’s capital.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Potomac River (via adjacent rail bridge) | 1 |
| Potomac River crossings toward Washington, D.C. canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T921168 — 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: Potomac River crossings toward Washington, D.C. Context triple: [Virginia State Route 123, connects, Potomac River crossings toward Washington, D.C.]
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A.
Potomac River waterfront areas
Potomac River waterfront areas are scenic riverfront zones along the Potomac that offer opportunities for outdoor recreation such as walking, boating, fishing, and enjoying natural views.
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B.
Potomac River tunnel
The Potomac River tunnel is an underwater rail tunnel in the Washington, D.C. area that carries Washington Metro trains beneath the Potomac River.
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C.
Susquehanna River bridge at Havre de Grace
The Susquehanna River bridge at Havre de Grace is a historic railroad crossing over the Susquehanna River in Maryland that played a key role in 19th-century rail travel along the Northeast Corridor.
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D.
Chesapeake and Ohio Canal National Historical Park (across Potomac)
Chesapeake and Ohio Canal National Historical Park is a protected historic and recreational area along the Potomac River that preserves the 19th-century C&O Canal and its towpath, offering hiking, biking, and insights into early American transportation history.
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E.
Anacostia River
The Anacostia River is a tidal river in the Washington, D.C. area known for its historical significance, urban setting, and long-running environmental restoration efforts.
- 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: Potomac River crossings toward Washington, D.C. Target entity description: Potomac River crossings toward Washington, D.C. are a series of bridges and routes that carry traffic over the Potomac River between Virginia, Maryland, and the District of Columbia, serving as key commuter and transportation links into the nation’s capital.
-
A.
Potomac River waterfront areas
Potomac River waterfront areas are scenic riverfront zones along the Potomac that offer opportunities for outdoor recreation such as walking, boating, fishing, and enjoying natural views.
-
B.
Potomac River tunnel
The Potomac River tunnel is an underwater rail tunnel in the Washington, D.C. area that carries Washington Metro trains beneath the Potomac River.
-
C.
Susquehanna River bridge at Havre de Grace
The Susquehanna River bridge at Havre de Grace is a historic railroad crossing over the Susquehanna River in Maryland that played a key role in 19th-century rail travel along the Northeast Corridor.
-
D.
Chesapeake and Ohio Canal National Historical Park (across Potomac)
Chesapeake and Ohio Canal National Historical Park is a protected historic and recreational area along the Potomac River that preserves the 19th-century C&O Canal and its towpath, offering hiking, biking, and insights into early American transportation history.
-
E.
Anacostia River
The Anacostia River is a tidal river in the Washington, D.C. area known for its historical significance, urban setting, and long-running environmental restoration efforts.
- F. None of above. chosen
Statements (47)
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: Potomac River crossings toward Washington, D.C. Description of subject: Potomac River crossings toward Washington, D.C. are a series of bridges and routes that carry traffic over the Potomac River between Virginia, Maryland, and the District of Columbia, serving as key commuter and transportation links into the nation’s capital.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Potomac River (via adjacent rail bridge)