Occoquan River
E140219
The Occoquan River is a tributary of the Potomac River in northern Virginia, known for its role in regional water supply, recreation, and the historic town of Occoquan along its banks.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Occoquan River canonical | 39 |
| Occoquan River watershed | 5 |
| Occoquan River system | 2 |
| Occoquan River basin | 1 |
| Occoquan River valley | 1 |
| Occoquan Watershed | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T556243 — 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: Occoquan River Context triple: [Woodbridge, Virginia, locatedOn, Occoquan River]
-
A.
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.
-
B.
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.
-
C.
James River
The James River is a major waterway in Virginia that flows from the Appalachian Mountains to the Chesapeake Bay and has played a central role in the state's history and development.
-
D.
Patapsco River
The Patapsco River is a major waterway in central Maryland that flows into the Chesapeake Bay and forms the harbor of Baltimore.
-
E.
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.
- 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: Occoquan River Target entity description: The Occoquan River is a tributary of the Potomac River in northern Virginia, known for its role in regional water supply, recreation, and the historic town of Occoquan along its banks.
-
A.
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.
-
B.
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.
-
C.
James River
The James River is a major waterway in Virginia that flows from the Appalachian Mountains to the Chesapeake Bay and has played a central role in the state's history and development.
-
D.
Patapsco River
The Patapsco River is a major waterway in central Maryland that flows into the Chesapeake Bay and forms the harbor of Baltimore.
-
E.
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.
- 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: Occoquan River Description of subject: The Occoquan River is a tributary of the Potomac River in northern Virginia, known for its role in regional water supply, recreation, and the historic town of Occoquan along its banks.
Referenced by (49)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Woodbridge
linked to: Occoquan River
linked to: Occoquan River
linked to: Occoquan River
linked to: Occoquan River
linked to: Occoquan River
linked to: Occoquan River
linked to: Occoquan River
subject linked to:
Fountainhead Regional Park (on Occoquan Reservoir)
linked to: Occoquan River
subject linked to:
Occoquan Dam
subject linked to:
Bull Run stream
subject linked to:
Bull Run stream