Patapsco River
E42828
The Patapsco River is a major waterway in central Maryland that flows into the Chesapeake Bay and forms the harbor of Baltimore.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Patapsco River canonical | 63 |
| Patapsco River watershed | 7 |
| Patapsco River basin | 3 |
| Patapsco River estuary | 2 |
| Patapsco River system | 2 |
| Patapsco River main stem | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T35744 — 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: Patapsco River Context triple: [Maryland, hasMajorWaterBody, Patapsco 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.
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.
-
C.
North Branch Potomac River
The North Branch Potomac River is the upper, more remote headwaters section of the Potomac River, flowing along the border of Maryland and West Virginia and supplying a major portion of the Potomac’s overall drainage.
-
D.
South Branch Potomac River
The South Branch Potomac River is a major headwater stream of the Potomac River that flows through the Appalachian region of West Virginia and Virginia, known for its scenic valleys, outdoor recreation, and role in the Chesapeake Bay watershed.
-
E.
Monocacy River
The Monocacy River is a major river in Maryland known for its scenic valley, rich Civil War history, and role as a key waterway feeding into the Potomac River.
- 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: Patapsco River Target entity description: The Patapsco River is a major waterway in central Maryland that flows into the Chesapeake Bay and forms the harbor of Baltimore.
-
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.
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.
-
C.
North Branch Potomac River
The North Branch Potomac River is the upper, more remote headwaters section of the Potomac River, flowing along the border of Maryland and West Virginia and supplying a major portion of the Potomac’s overall drainage.
-
D.
South Branch Potomac River
The South Branch Potomac River is a major headwater stream of the Potomac River that flows through the Appalachian region of West Virginia and Virginia, known for its scenic valleys, outdoor recreation, and role in the Chesapeake Bay watershed.
-
E.
Monocacy River
The Monocacy River is a major river in Maryland known for its scenic valley, rich Civil War history, and role as a key waterway feeding into the Potomac River.
- 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: Patapsco River Description of subject: The Patapsco River is a major waterway in central Maryland that flows into the Chesapeake Bay and forms the harbor of Baltimore.
Referenced by (78)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Patapsco River watershed
this entity surface form:
Patapsco River system
this entity surface form:
Patapsco River system
this entity surface form:
Patapsco River watershed
this entity surface form:
Patapsco River basin
this entity surface form:
Patapsco River main stem
this entity surface form:
Patapsco River watershed