Missouri–Oklahoma border
E1008295
The Missouri–Oklahoma border is the state line in the central United States separating Missouri from Oklahoma, running primarily north–south and marking a key portion of the boundary between the Midwest and the Southern Plains.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Missouri–Oklahoma border canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12844910 — 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: Missouri–Oklahoma border Context triple: [Shoal Creek, crossesPoliticalBorder, Missouri–Oklahoma border]
-
A.
Missouri–Kansas state line
The Missouri–Kansas state line is the boundary separating the states of Missouri and Kansas, notably running through the Kansas City metropolitan area and dividing it between the two states.
-
B.
Nebraska–Missouri border
The Nebraska–Missouri border is the state line in the central United States that largely follows the course of the Missouri River, separating Nebraska to the west from Missouri to the east.
-
C.
Missouri–Iowa border
The Missouri–Iowa border is the state line in the Midwestern United States separating Missouri and Iowa, running largely east–west near the 40th parallel north.
-
D.
Arkansas–Texas border
The Arkansas–Texas border is the state boundary in the southern United States where Arkansas and Texas meet, notably running through the twin city area of Texarkana.
-
E.
Texas–Oklahoma state line
The Texas–Oklahoma state line is the boundary separating the U.S. states of Texas and Oklahoma, much of it following the Red River and serving as a key geographic and historical dividing line in the region.
- 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: Missouri–Oklahoma border Target entity description: The Missouri–Oklahoma border is the state line in the central United States separating Missouri from Oklahoma, running primarily north–south and marking a key portion of the boundary between the Midwest and the Southern Plains.
-
A.
Missouri–Kansas state line
The Missouri–Kansas state line is the boundary separating the states of Missouri and Kansas, notably running through the Kansas City metropolitan area and dividing it between the two states.
-
B.
Nebraska–Missouri border
The Nebraska–Missouri border is the state line in the central United States that largely follows the course of the Missouri River, separating Nebraska to the west from Missouri to the east.
-
C.
Missouri–Iowa border
The Missouri–Iowa border is the state line in the Midwestern United States separating Missouri and Iowa, running largely east–west near the 40th parallel north.
-
D.
Arkansas–Texas border
The Arkansas–Texas border is the state boundary in the southern United States where Arkansas and Texas meet, notably running through the twin city area of Texarkana.
-
E.
Texas–Oklahoma state line
The Texas–Oklahoma state line is the boundary separating the U.S. states of Texas and Oklahoma, much of it following the Red River and serving as a key geographic and historical dividing line in the region.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
international border
ⓘ
state boundary ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| countrySubdivision1 | State of Missouri NERFINISHED ⓘ |
| countrySubdivision2 | State of Oklahoma NERFINISHED ⓘ |
| direction | north–south ⓘ |
| formsPartOf | boundary between the Midwest and the Southern Plains ⓘ |
| hasAdjacentRegionOnMissouriSide | southwestern Missouri ⓘ |
| hasAdjacentRegionOnOklahomaSide | northeastern Oklahoma ⓘ |
| hasBorderPoint |
tripoint of Missouri–Oklahoma–Arkansas
ⓘ
tripoint of Missouri–Oklahoma–Kansas ⓘ |
| hasCoordinateSystem | geographic coordinate system ⓘ |
| hasHistoricalContext |
admission of Oklahoma as a state in 1907
ⓘ
formation of Oklahoma Territory ⓘ westward expansion of the United States ⓘ |
| isBoundaryBetween |
Midwest
NERFINISHED
ⓘ
Southern Plains NERFINISHED ⓘ |
| legalStatus | recognized state line ⓘ |
| locatedInRegion |
Midwestern United States
ⓘ
Southern Plains NERFINISHED ⓘ Southern United States NERFINISHED ⓘ |
| partOf |
Missouri state boundary
ⓘ
Oklahoma state boundary ⓘ |
| separates |
Missouri
NERFINISHED
ⓘ
Oklahoma NERFINISHED ⓘ |
| usedFor |
electoral district delimitation
ⓘ
jurisdictional division ⓘ law enforcement jurisdiction ⓘ taxation jurisdiction ⓘ |
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: Missouri–Oklahoma border Description of subject: The Missouri–Oklahoma border is the state line in the central United States separating Missouri from Oklahoma, running primarily north–south and marking a key portion of the boundary between the Midwest and the Southern Plains.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.