East Branch Cooper River
E382107
East Branch Cooper River is a smaller waterway that feeds into South Carolina’s Cooper River as one of its tributary streams.
All labels observed (1)
| Label | Occurrences |
|---|---|
| East Branch Cooper River canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3686604 — 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: East Branch Cooper River Context triple: [Cooper River, hasTributary, East Branch Cooper River]
-
A.
West Branch Cooper River
West Branch Cooper River is a secondary waterway in South Carolina that feeds into the larger Cooper River system near the Charleston area.
-
B.
Edisto River
The Edisto River is a blackwater river in South Carolina known for its largely undeveloped, scenic watershed and status as one of the longest free-flowing blackwater rivers in North America.
-
C.
Wando River
The Wando River is a tidal river in the Lowcountry region of South Carolina that flows through the Charleston area and empties into Charleston Harbor.
-
D.
Pee Dee River
The Pee Dee River is a major waterway in the southeastern United States that flows from the Appalachian foothills through the Carolinas to the Atlantic Ocean, historically important for transportation, agriculture, and regional development.
-
E.
Mispillion River
The Mispillion River is a waterway in southern Delaware that flows through wetlands and small communities before emptying into Delaware Bay along the state's central coast.
- 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: East Branch Cooper River Target entity description: East Branch Cooper River is a smaller waterway that feeds into South Carolina’s Cooper River as one of its tributary streams.
-
A.
West Branch Cooper River
West Branch Cooper River is a secondary waterway in South Carolina that feeds into the larger Cooper River system near the Charleston area.
-
B.
Edisto River
The Edisto River is a blackwater river in South Carolina known for its largely undeveloped, scenic watershed and status as one of the longest free-flowing blackwater rivers in North America.
-
C.
Wando River
The Wando River is a tidal river in the Lowcountry region of South Carolina that flows through the Charleston area and empties into Charleston Harbor.
-
D.
Pee Dee River
The Pee Dee River is a major waterway in the southeastern United States that flows from the Appalachian foothills through the Carolinas to the Atlantic Ocean, historically important for transportation, agriculture, and regional development.
-
E.
Mispillion River
The Mispillion River is a waterway in southern Delaware that flows through wetlands and small communities before emptying into Delaware Bay along the state's central coast.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
river
ⓘ
tributary ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| country |
United States
ⓘ
linked to:
United States of America
|
| drainageBasin | Atlantic slope of the eastern United States ⓘ |
| feedsInto | Cooper River ⓘ |
| flowsThrough | Berkeley County, South Carolina ⓘ |
| hasHydrologicalConnectionWith | Atlantic Ocean ⓘ |
| hasMouthElevation | sea level ⓘ |
| hasName | East Branch Cooper River ⓘ |
| hasWaterBodyType | stream ⓘ |
| isPartOf | South Carolina river network ⓘ |
| isSmallerThan | Cooper River ⓘ |
| locatedIn | South Carolina ⓘ |
| locatedInAdministrativeEntity | Berkeley County, South Carolina ⓘ |
| locatedInRegion |
Lowcountry, South Carolina
ⓘ
linked to:
Lowcountry of South Carolina
|
| locatedOnContinent | North America ⓘ |
| mouthLocatedIn | Cooper River ⓘ |
| mouthNear | Charleston metropolitan area ⓘ |
| partOf |
Coastal rivers of South Carolina
ⓘ
Cooper River watershed ⓘ
linked to:
Cooper River
|
| riverSystem | Cooper River ⓘ |
| tributaryOf | Cooper River ⓘ |
| tributaryType | east branch ⓘ |
| watercourseType | tidal river ⓘ |
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: East Branch Cooper River Description of subject: East Branch Cooper River is a smaller waterway that feeds into South Carolina’s Cooper River as one of its tributary streams.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.