Mad River
E64845
Mad River is a tributary of the Great Miami River in western Ohio known for its clear, cold waters and popularity for fishing and paddling.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Mad River canonical | 11 |
| Mad River (Ohio) | 1 |
| Mad River area | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T197084 — 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: Mad River Context triple: [Springfield, Ohio, United States, locatedOnRiver, Mad River]
-
A.
Squannacook River
The Squannacook River is a scenic tributary of the Nashua River in north-central Massachusetts, known for its forested surroundings, wildlife habitat, and recreational opportunities such as fishing and paddling.
-
B.
Nashua River
The Nashua River is a New England waterway flowing through Massachusetts and New Hampshire, historically significant for both severe industrial pollution and subsequent environmental restoration efforts.
-
C.
Concord River
The Concord River is a historically significant river in eastern Massachusetts, known for its role in early American history and its scenic, meandering course through the town of Concord.
-
D.
Muddy River
The Muddy River is a small urban waterway in Boston and Brookline, Massachusetts, that forms a key component of Frederick Law Olmsted’s Emerald Necklace park system.
-
E.
Saugus River
The Saugus River is a coastal river in northeastern Massachusetts that flows through communities including Saugus and Lynn before emptying into the Atlantic Ocean.
- 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: Mad River Target entity description: Mad River is a tributary of the Great Miami River in western Ohio known for its clear, cold waters and popularity for fishing and paddling.
-
A.
Squannacook River
The Squannacook River is a scenic tributary of the Nashua River in north-central Massachusetts, known for its forested surroundings, wildlife habitat, and recreational opportunities such as fishing and paddling.
-
B.
Nashua River
The Nashua River is a New England waterway flowing through Massachusetts and New Hampshire, historically significant for both severe industrial pollution and subsequent environmental restoration efforts.
-
C.
Concord River
The Concord River is a historically significant river in eastern Massachusetts, known for its role in early American history and its scenic, meandering course through the town of Concord.
-
D.
Muddy River
The Muddy River is a small urban waterway in Boston and Brookline, Massachusetts, that forms a key component of Frederick Law Olmsted’s Emerald Necklace park system.
-
E.
Saugus River
The Saugus River is a coastal river in northeastern Massachusetts that flows through communities including Saugus and Lynn before emptying into the Atlantic Ocean.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
river
ⓘ
tributary ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| flowsInto |
Great Miami River at Dayton, Ohio
ⓘ
linked to:
Great Miami River
|
| flowsThrough |
Champaign County, Ohio
ⓘ
Clark County, Ohio ⓘ Greene County, Ohio ⓘ Montgomery County, Ohio ⓘ Springfield, Ohio area ⓘ
linked to:
Springfield, Ohio
|
| hasCharacteristic |
relatively clear water
ⓘ
relatively cold water ⓘ |
| hasRecreationSiteType |
boat launches
ⓘ
fishing access areas ⓘ public access points ⓘ |
| knownFor |
canoeing
ⓘ
clear water ⓘ cold water ⓘ kayaking ⓘ paddling ⓘ recreational fishing ⓘ |
| locatedIn | Ohio ⓘ |
| locatedInRegion | western Ohio ⓘ |
| mouthLocatedIn | Great Miami River ⓘ |
| partOf |
Great Miami River watershed
ⓘ
linked to:
Great Miami River
Mississippi River watershed ⓘ
linked to:
Mississippi River basin
Ohio River basin ⓘ |
| tributaryOf | Great Miami River ⓘ |
| usedFor |
boating
ⓘ
recreation ⓘ sport fishing ⓘ |
| waterType | freshwater ⓘ |
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: Mad River Description of subject: Mad River is a tributary of the Great Miami River in western Ohio known for its clear, cold waters and popularity for fishing and paddling.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Mad River
subject linked to:
southwestern Ohio
linked to: Mad River
subject linked to:
Springfield
subject linked to:
Five Rivers MetroParks system