Mississippi River at St. Louis, Missouri
E503479
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Mississippi River (indirectly, across Jackson Square) | 1 |
| Mississippi River at St. Louis, Missouri canonical | 1 |
| Mississippi River near downtown St. Louis | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5211021 — 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 at St. Louis, Missouri Context triple: [Missouri River, mouthLocation, Mississippi River at St. Louis, Missouri]
-
A.
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.
-
B.
Mississippi River waterfront
The Mississippi River waterfront at Fort Madison is a scenic riverside area known for its historic views, recreational spaces, and role as a focal point of the city’s connection to the Mississippi River.
-
C.
Mississippi riverfront
The Mississippi riverfront in Saint Paul, Minnesota is a prominent urban waterfront area featuring parks, trails, cultural attractions, and scenic views along the Mississippi River.
-
D.
Pearl River between Louisiana and Mississippi
The Pearl River between Louisiana and Mississippi is a major waterway forming part of the boundary between the two states and flowing into the Gulf of Mexico.
-
E.
Mississippi River (Twin Cities campus area)
The Mississippi River (Twin Cities campus area) is the stretch of the Mississippi River that flows through and alongside the University of Minnesota’s Twin Cities campus, serving as a central natural and scenic feature of the university environment.
- 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 at St. Louis, Missouri Target entity description: 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.
-
A.
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.
-
B.
Mississippi River waterfront
The Mississippi River waterfront at Fort Madison is a scenic riverside area known for its historic views, recreational spaces, and role as a focal point of the city’s connection to the Mississippi River.
-
C.
Mississippi riverfront
The Mississippi riverfront in Saint Paul, Minnesota is a prominent urban waterfront area featuring parks, trails, cultural attractions, and scenic views along the Mississippi River.
-
D.
Pearl River between Louisiana and Mississippi
The Pearl River between Louisiana and Mississippi is a major waterway forming part of the boundary between the two states and flowing into the Gulf of Mexico.
-
E.
Mississippi River (Twin Cities campus area)
The Mississippi River (Twin Cities campus area) is the stretch of the Mississippi River that flows through and alongside the University of Minnesota’s Twin Cities campus, serving as a central natural and scenic feature of the university environment.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | river reach ⓘ |
| adjacentTo | Illinois shore opposite St. Louis ⓘ |
| contains | navigation channel ⓘ |
| crossedBy |
Eads Bridge
NERFINISHED
ⓘ
MacArthur Bridge NERFINISHED ⓘ Martin Luther King Bridge NERFINISHED ⓘ Poplar Street Bridge NERFINISHED ⓘ Stan Musial Veterans Memorial Bridge NERFINISHED ⓘ |
| downstreamOf |
Illinois River–Mississippi River confluence
ⓘ
Missouri River–Mississippi River confluence NERFINISHED ⓘ |
| flowsPast | City of St. Louis NERFINISHED ⓘ |
| forms | major river confluence ⓘ |
| formsBoundaryBetween | Missouri and Illinois near St. Louis ⓘ |
| hasConfluenceWith |
Illinois River
NERFINISHED
ⓘ
Missouri River NERFINISHED ⓘ |
| hasFeature |
industrial riverfront facilities
ⓘ
levees along the riverfront ⓘ port terminals ⓘ |
| hasGaugeAt | St. Louis river gauge ⓘ |
| hasInfrastructure | locks and dams upstream and downstream ⓘ |
| importantFor |
St. Louis economy
ⓘ
regional commerce ⓘ regional transportation network ⓘ |
| isMajorTransportCorridorFor |
coal shipments
ⓘ
grain shipments ⓘ industrial commodities ⓘ petroleum products ⓘ |
| locatedIn |
Missouri
ⓘ
St. Louis, Missouri, United States ⓘ
surface form:
St. Louis, Missouri
United States of America ⓘ
surface form:
United States
|
| managedBy | U.S. Army Corps of Engineers NERFINISHED ⓘ |
| monitoredBy |
National Weather Service
NERFINISHED
ⓘ
U.S. Geological Survey NERFINISHED ⓘ |
| near |
Downtown St. Louis
NERFINISHED
ⓘ
Gateway Arch National Park NERFINISHED ⓘ |
| partOf |
Mississippi River
NERFINISHED
ⓘ
Mississippi River watershed NERFINISHED ⓘ Upper Mississippi River system NERFINISHED ⓘ |
| receivesWaterFrom |
Illinois River basin
NERFINISHED
ⓘ
Missouri River basin NERFINISHED ⓘ Upper Mississippi River basin NERFINISHED ⓘ |
| subjectTo |
ice conditions in winter
ⓘ
seasonal flooding ⓘ |
| upstreamOf | Mississippi River at Memphis, Tennessee NERFINISHED ⓘ |
| usedFor |
barge traffic
ⓘ
commercial navigation ⓘ recreation ⓘ tourist river cruises ⓘ |
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 at St. Louis, Missouri Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
important transportation corridor during westward expansion of the United States
→
mouthLocation
→
Mississippi River at St. Louis, Missouri
ⓘ
subject surface form:
Missouri River
this entity surface form:
Mississippi River near downtown St. Louis
this entity surface form:
Mississippi River (indirectly, across Jackson Square)