Middle Patuxent River
E468065
The Middle Patuxent River is a significant tributary stream in central Maryland that flows through Howard County and contributes to the Patuxent River watershed.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Middle Patuxent River canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4731587 — 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: Middle Patuxent River Context triple: [Patuxent River, hasTributary, Middle Patuxent River]
-
A.
Little Patuxent River
The Little Patuxent River is a tributary of the Patuxent River in central Maryland that flows through suburban communities and parklands, including much of Howard County.
-
B.
Middle River, Maryland
Middle River, Maryland is a suburban community in Baltimore County known for its residential neighborhoods, waterfront areas, and proximity to Martin State Airport and the greater Baltimore region.
-
C.
Middle River
Middle River is a central stretch of the River Cam in Cambridge, England, known for its scenic college-backed banks and popular punting routes.
-
D.
Middle River
Middle River is an unincorporated community and census-designated place in Maryland known for its residential neighborhoods and proximity to the Back River and Chesapeake Bay.
-
E.
Rancocas Creek
Rancocas Creek is a stream in southern New Jersey that drains part of the Pinelands and flows westward to join the Delaware 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: Middle Patuxent River Target entity description: The Middle Patuxent River is a significant tributary stream in central Maryland that flows through Howard County and contributes to the Patuxent River watershed.
-
A.
Little Patuxent River
The Little Patuxent River is a tributary of the Patuxent River in central Maryland that flows through suburban communities and parklands, including much of Howard County.
-
B.
Middle River, Maryland
Middle River, Maryland is a suburban community in Baltimore County known for its residential neighborhoods, waterfront areas, and proximity to Martin State Airport and the greater Baltimore region.
-
C.
Middle River
Middle River is a central stretch of the River Cam in Cambridge, England, known for its scenic college-backed banks and popular punting routes.
-
D.
Middle River
Middle River is an unincorporated community and census-designated place in Maryland known for its residential neighborhoods and proximity to the Back River and Chesapeake Bay.
-
E.
Rancocas Creek
Rancocas Creek is a stream in southern New Jersey that drains part of the Pinelands and flows westward to join the Delaware River.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf |
river
ⓘ
tributary ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| continent | North America ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| drainageBasin |
Chesapeake Bay watershed
ⓘ
linked to:
Chesapeake Bay
|
| flowsThrough |
Howard County, Maryland
ⓘ
linked to:
Howard County
central Maryland ⓘ |
| hasEcologicalSignificance | supports riparian habitats in Howard County ⓘ |
| hasMouth | Patuxent River ⓘ |
| hasWatershedFunction |
collects runoff from central Howard County
ⓘ
contributes flow to the Patuxent River ⓘ |
| locatedIn |
Howard County, Maryland
ⓘ
linked to:
Howard County
|
| locatedInProtectedArea | Middle Patuxent Environmental Area ⓘ |
| locatedInTimeZone | Eastern Time Zone ⓘ |
| nearCity |
Clarksville, Maryland
ⓘ
Columbia, Maryland ⓘ |
| partOf | Patuxent River watershed ⓘ |
| region |
Mid-Atlantic United States
ⓘ
linked to:
Mid-Atlantic states
|
| state | Maryland ⓘ |
| tributaryOf | Patuxent River ⓘ |
| usedFor |
recreation
ⓘ
wildlife habitat ⓘ |
| watercourseType | freshwater stream ⓘ |
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: Middle Patuxent River Description of subject: The Middle Patuxent River is a significant tributary stream in central Maryland that flows through Howard County and contributes to the Patuxent River watershed.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.