Severn River
E221754
The Severn River is a tidal estuary in Maryland that flows into the Chesapeake Bay and is known for bordering the city of Annapolis and the U.S. Naval Academy.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Severn River canonical | 13 |
How this entity was disambiguated
This entity first appeared as the object of triple T851980 — 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: Severn River Context triple: [Anne Arundel County, hasCoastlineOn, Severn River]
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A.
Choptank River
The Choptank River is a major tributary on the Eastern Shore of Maryland that flows through rural and tidal landscapes before emptying into the Chesapeake Bay.
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B.
Severn River system
The Severn River system is the interconnected network of the River Severn and its tributaries, forming one of the major drainage basins in Great Britain.
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C.
Rappahannock River
The Rappahannock River is a major waterway in eastern Virginia that flows from the Blue Ridge Mountains to the Chesapeake Bay and played a significant role in American colonial history and the Civil War.
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D.
Potomac River
The Potomac River is a major waterway in the Mid-Atlantic United States that flows through the Appalachian region and forms part of the boundary between Maryland, Virginia, and Washington, D.C.
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E.
Shenandoah River
The Shenandoah River is a scenic waterway flowing through Virginia and West Virginia, famed for its pastoral valleys, Blue Ridge Mountain backdrop, and prominence in American folk music and Civil War history.
- 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: Severn River Target entity description: The Severn River is a tidal estuary in Maryland that flows into the Chesapeake Bay and is known for bordering the city of Annapolis and the U.S. Naval Academy.
-
A.
Choptank River
The Choptank River is a major tributary on the Eastern Shore of Maryland that flows through rural and tidal landscapes before emptying into the Chesapeake Bay.
-
B.
Severn River system
The Severn River system is the interconnected network of the River Severn and its tributaries, forming one of the major drainage basins in Great Britain.
-
C.
Rappahannock River
The Rappahannock River is a major waterway in eastern Virginia that flows from the Blue Ridge Mountains to the Chesapeake Bay and played a significant role in American colonial history and the Civil War.
-
D.
Potomac River
The Potomac River is a major waterway in the Mid-Atlantic United States that flows through the Appalachian region and forms part of the boundary between Maryland, Virginia, and Washington, D.C.
-
E.
Shenandoah River
The Shenandoah River is a scenic waterway flowing through Virginia and West Virginia, famed for its pastoral valleys, Blue Ridge Mountain backdrop, and prominence in American folk music and Civil War history.
- F. None of above. chosen
Statements (44)
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: Severn River Description of subject: The Severn River is a tidal estuary in Maryland that flows into the Chesapeake Bay and is known for bordering the city of Annapolis and the U.S. Naval Academy.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
United States Naval Academy Cemetery
subject surface form:
United States Naval Academy Cemetery