Mississippi River near Grafton, Illinois
E557300
The Mississippi River near Grafton, Illinois is a major stretch of the river in southwestern Illinois where it meets the Illinois River, forming a notable confluence and scenic river landscape.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mississippi River near Grafton, Illinois canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5925839 — 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: Mississippi River near Grafton, Illinois Context triple: [Illinois River, flowsInto, Mississippi River near Grafton, Illinois]
-
A.
Mississippi River at St. Louis, Missouri
The Mississippi River at St. Louis, Missouri is a major stretch of the Mississippi where it flows past the city of St. Louis and receives the waters of the Missouri River, forming one of North America’s most significant river confluences.
-
B.
Mississippi River at Memphis
The Mississippi River at Memphis is a major stretch of the river where it flows past downtown Memphis, Tennessee, serving as a key commercial waterway and iconic natural landmark of the region.
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C.
Illinois River
The Illinois River is a principal waterway in the U.S. state of Illinois that serves as a key tributary of the Mississippi River and an important route for transportation, commerce, and recreation.
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D.
Illinois River
The Illinois River is a scenic tributary of the Rogue River in southwestern Oregon, renowned for its wild and remote canyon, whitewater rafting, and diverse ecosystems within the Klamath-Siskiyou region.
-
E.
Illinois River (Arkansas River tributary)
The Illinois River (Arkansas River tributary) is a scenic waterway flowing through parts of Arkansas and Oklahoma, known for its recreational opportunities and environmental significance within the Arkansas River basin.
- 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: Mississippi River near Grafton, Illinois Target entity description: The Mississippi River near Grafton, Illinois is a major stretch of the river in southwestern Illinois where it meets the Illinois River, forming a notable confluence and scenic river landscape.
-
A.
Mississippi River at St. Louis, Missouri
The Mississippi River at St. Louis, Missouri is a major stretch of the Mississippi where it flows past the city of St. Louis and receives the waters of the Missouri River, forming one of North America’s most significant river confluences.
-
B.
Mississippi River at Memphis
The Mississippi River at Memphis is a major stretch of the river where it flows past downtown Memphis, Tennessee, serving as a key commercial waterway and iconic natural landmark of the region.
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C.
Illinois River
The Illinois River is a principal waterway in the U.S. state of Illinois that serves as a key tributary of the Mississippi River and an important route for transportation, commerce, and recreation.
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D.
Illinois River
The Illinois River is a scenic tributary of the Rogue River in southwestern Oregon, renowned for its wild and remote canyon, whitewater rafting, and diverse ecosystems within the Klamath-Siskiyou region.
-
E.
Illinois River (Arkansas River tributary)
The Illinois River (Arkansas River tributary) is a scenic waterway flowing through parts of Arkansas and Oklahoma, known for its recreational opportunities and environmental significance within the Arkansas River basin.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
geographic feature
ⓘ
river reach ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crossedBy | Brussels Ferry NERFINISHED ⓘ |
| downstreamFrom | Mississippi River at Alton, Illinois NERFINISHED ⓘ |
| elevationType | lowland river reach ⓘ |
| flowsDirection | generally southward ⓘ |
| formsBoundaryBetween |
Illinois
NERFINISHED
ⓘ
Missouri NERFINISHED ⓘ |
| formsConfluenceWith | Illinois River NERFINISHED ⓘ |
| hasEcosystemType | large river riparian ecosystem ⓘ |
| hasFloodplain | Mississippi River floodplain near Grafton ⓘ |
| hasNearbyProtectedArea |
Mississippi River State Fish and Wildlife Area
NERFINISHED
ⓘ
Pere Marquette State Park NERFINISHED ⓘ Two Rivers National Wildlife Refuge NERFINISHED ⓘ |
| hasTributaryConfluence | Illinois River NERFINISHED ⓘ |
| hasWildlife |
bald eagles
ⓘ
freshwater fish species ⓘ migratory waterfowl ⓘ |
| hydrologicRegion | Upper Mississippi drainage basin NERFINISHED ⓘ |
| knownFor |
bald eagle viewing in winter
ⓘ
river confluence views ⓘ scenic river landscape ⓘ |
| locatedIn |
Grafton, Illinois
NERFINISHED
ⓘ
Jersey County, Illinois NERFINISHED ⓘ Madison County, Illinois NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
state of Illinois NERFINISHED ⓘ |
| nearbySettlement |
Alton, Illinois
NERFINISHED
ⓘ
Elsah, Illinois NERFINISHED ⓘ Grafton, Illinois NERFINISHED ⓘ |
| nearbyTransportationRoute |
Great River Road in Illinois
NERFINISHED
ⓘ
Illinois Route 100 NERFINISHED ⓘ |
| partOf |
Mississippi River
NERFINISHED
ⓘ
Upper Mississippi River NERFINISHED ⓘ |
| partOfScenicByway | Meeting of the Great Rivers National Scenic Byway NERFINISHED ⓘ |
| riverMouthOf | Illinois River NERFINISHED ⓘ |
| riverSystem | Mississippi River system NERFINISHED ⓘ |
| subjectTo | seasonal flooding ⓘ |
| supportsActivity |
birdwatching
ⓘ
river tourism ⓘ |
| upstreamFrom | Mississippi River at St. Louis, Missouri NERFINISHED ⓘ |
| usedFor |
commercial barge traffic
ⓘ
recreational boating ⓘ sport fishing ⓘ |
| watercourse | Mississippi River NERFINISHED ⓘ |
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: Mississippi River near Grafton, Illinois Description of subject: The Mississippi River near Grafton, Illinois is a major stretch of the river in southwestern Illinois where it meets the Illinois River, forming a notable confluence and scenic river landscape.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.